# Electromagnetism Checklist

Size: px
Start display at page:

Transcription

1 Electromagnetism Checklist Elementary Charge and Conservation of Charge 4.1.1A Convert from elementary charge to charge in coulombs What is the charge in coulombs on an object with an elementary charge of +4? 4.1.1E Determine the direction of electron flow in conservation of charge problems In which direction will electrons flow in each case? An object contains 35 electrons and 75 protons. What is its charge in coulombs? a. -3C -6C +3C -6C c B Convert from charge in coulombs to elementary charge An object has a charge of -6.4 x coulombs. What is its elementary charge? b. -4C +5C +8C +2C d. Which set of elementary charges would produce a charge of +3.2 x C? (1) 400 electron and 200 protons (2) 40 electrons and 20 protons (3) 200 electrons and 400 protons (4) 20 electrons and 40 protons 4.1.1C Determine whether or not a particular charge can exist on a real world object Which charges could not exist on a real-world object? (1) 3.2 x C (5) 0.5 x C (2) 6.5 C (6) 3.2 x C (3) -20 e (7) 3.5 e (4) 1.2 x 10 2 e (8) 1.6 x e Charging and Charge Transfer 4.1.2A Explain the processes of conduction, induction, and charging by induction Object A is negatively charged and is used to charge object B by conduction. What is the final charge on objects A and B? Object A is negatively charged and is brought near neutral object B without touching it. What is the final charge on objects A and B? Object A is negatively charged and is used to charge object B by induction. What is the final charge on objects A and B? 4.1.1D Determine how charge will distribute in conservation of charge problems Object A begins with a charge of +3.0 coulombs; object B begins with a charge of -6.0 coulombs; and object C begins with no charge. Object A is brought into contact with object B then removed. Object B is then brought into contact with object C and removed. What are the final charges on the three objects? 4.1.2B Explain the rules for testing an object to determine its charge A small object is tested to determine its charge. What test could be used to prove that the object is positively charged? What test could be used to prove that the object is not charged?

2 4.1.3A Explain how a neutral electroscope will react to the presence of a charged object A negatively charged rod is brought near a neutral electroscope then removed, what is the reaction of the electroscope leaves? 4.1.3C Explain how a charged electroscope is tested to determine charge A negatively charged rod is brought near a charged electroscope causing its leaves to converge. What is the charge on the electroscope? A negatively charged rod is brought near a charged electroscope causing its leaves to diverge. What is the charge on the electroscope? 4.1.3B Explain how an electroscope can become charged Which of the following shows an electroscope being charged negatively by conduction? Which of the following electroscopes could be charged positively by induction? In which of the following are the leaves of the electroscope negatively charged? Coulomb s Law 4.1.4A Use equation to determine electrostatic force; charge; or distance What is the electrostatic force that a +4.0 coulombcharge exerts on a -6.0 coulomb charge if they are separated by a distance of 2.0 meters? A B C D B Determine the effects on electrostatic force when changing the amount of charge and/or distance between charges Two charged objects are attracted to one another by an electrostatic force of 5.0 newtons. What would this force become if the charge on both objects were doubled? E F An electrostatic force F acts between two objects with charges +q and +q when they are a distance R apart. If the distance between the objects is halved, the electrostatic force would become (1) F/2 (2) F/4 (3) 2F (4) 4F

3 Electric Fields 4.1.5A Use equation to determine: electric field strength; force; or charge. A +2.0 coulomb charge experiences a force of 10 newtons while in an electric field. What is the strength of the electric field? C Explain how electric field strength relates to distance from a point charge Sketch a graph that shows the relationship between the distance from an object and the strength of the electric field that it produces. What force will a 3.0 coulomb charge experience if place in an electric field with a strength of 15 newtons per coulomb? What is the charge on an object that experiences a force of 20 newtons when it is placed in an electric field with a strength of 4.0 newtons per coulomb? Electric field strength Distance from object 4.1.5B Map electric field in the region near a point charge or near a system of point charges Sketch the electric field in the area around each point charge, set of point charges, and set of parallel plates D Explain the effect of charged, parallel plates on electric field strength, force on charge between the plates, and acceleration of charges between the plates. An electron is fired into the space between two parallel, oppositely charged plates that produce an electric field of strength 2.0 x newtons per coulomb Sketch the path of the electron as it passes between the plates. Determine the amount of force exerted on the electron Determine the acceleration of the electron What is important to know about the field strength, force on the charge, and acceleration of the charged object between the charged plates?

4 Electrical Potential 4.1.6A Explain how electrical potential relates to the distance between charged objects In which of the cases below is the electrical potential energy increasing? In which cases is the electrical potential energy decreasing? In which cases is the electrical potential energy remaining constant? D Explain when it is appropriate to express energy in units of electron-volts What is the amount of energy needed to move an electron through an electrical potential of 3.0 volts? Express this energy in both joules and electron-volts. An object with a 4.0 coulomb charge is accelerated through an electrical potential of 12.0 volts. What amount of kinetic energy does the object gain? Express this energy in both joules and electron-volts B Use equation to determine: electrical potential/voltage; work/energy; or charge What is the electrical potential generated when 15.0 joules of work are done in moving a 5.0 coulomb charge through an electric field? What is the amount of work needed to increase the electrical potential of a 2.0 coulomb charge by 8.0 volts? Electrical Current 4.2.1A Use equation to determine electrical current; charge; or time What is the amount of electrical current passing through a wire if 35 coulombs of charge flow through it in 5.0 seconds? If a 2.5 ampere current is flowing through a given point on a wire, how long would it take for 100 coulombs of charge to pass this point? How much charge passes through a wire if a current of 10 ampere flows through it for 30 seconds? What is the charge on an object that requires 6.4 x joules of work to be moved through an electrical potential of 2.0 volts? 4.2.1B Determine the number of electrons flowing through a system based on current or current based on number of electrons through a given point How many electrons per second are flowing through a point in a wire that has 5.0 amperes of current passing through it? 4.1.6C Convert from electron-volts to joules and joules to electron-volts Convert 3.2 x joules into electron-volts. Convert 6.4 electron-volts into joules. 6.4 x electrons pass through a given point every second. What amount of electrical current does this represent?

5 Electrical Resistance 4.2.2A Use equation to determine resistance; resistivity; length; or cross-sectional area. Determine composition of a wire. What is the resistance of a copper wire with a cross-sectional area of 2.0 x 10-6 meter 2 and a length of 50 meters? Ohm s Law, Power Law, and Circuit Elements 4.2.3A Use equations to determine current; voltage; resistance; or electrical power How much current will pass through a 30 ohm resistor when it is connected to a 90 volt source of electrical potential? What is the length of an aluminum wire with a resistance of 25 ohms if it has a cross-sectional area of 4.0 x 10-4 meter 2? What is the resistance of a heater that allows 12 amperes of current to flow through it when it is connected to a 120 volt source? What is the composition of a wire with a resistance of 8.13 ohms if its crosssectional area is 3 x 10-6 meter 2 and its length is 1000 meters? How much power is generated by a light bulb that draws 0.2 ampere of current when connected to a 6.0 volt battery? 4.2.2B Explain the relationship between electrical resistance, length, resistivity, cross-sectional area, radius, and/or temperature of a conductor What is the difference between resistance and resistivity? How much current is drawn by a 4400 watt motor if it is operated at an electrical potential of 220 volts? What is the resistance of a component that generates 300 watts of power while allowing 0.5 ampere of current to pass through it? Which graph best represents the relationship between the following variables? resistance and resistivity resistance and area A Resistance resistance and length resistance and temperature B Resistance 4.2.3B Explain the relationship between current and voltage with fixed and non-fixed resistances Sketch a graph of current vs. voltage for a fixed resistance. Explain what the slope of this graph represents. Sketch a graph of current vs. voltage for a nonfixed resistance that does NOT obey Ohm s Law. Resistance C Resistance D V I Fixed Resistance V I Non-fixed Resistance

6 4.2.3C Recognize and sketch circuit elements: resistor; ammeter; voltmeter; etc. Name the circuit elements shown below Series and Parallel Circuits 4.2.4A Explain the differences between how series and parallel circuits are constructed Which is a series circuit? Which is a parallel circuit? 4.2.4B Explain the rule for current in each type of circuit 4.2.3D Explain the proper way to connect an ammeter and/or voltmeter to a circuit In which instances is the meter connected improperly? A A V A 30 ohm resistor and a 20 ohm resistor are connected in series with a 100 volt battery. The electrical current that would pass through the 20 ohm resistor is (1) 5 A (2) 2 A (3) 7 A A 30 ohm resistor and a 20 ohm resistor are connected in parallel with a 100 volt battery. The electrical current that would pass through the 20 ohm resistor is (1) 5 A (2) 2 A (3) 7 A V

7 4.2.4C Use the junction rule to determine the current flowing into/out of a circuit junction 4.2.4E Explain how equivalent resistance is found for each type of circuit Determine the unknown current and its direction in each diagram.? 7A 5A 5A? 3A 3A 7A 6A? 2A Determine the equivalent resistance of a. three 90 ohm resistors in series b. three 90 ohm resistors in parallel c. a 10 ohm resistor and 20 ohm resistor in series d. a 10 ohm resistor and 20 ohm resistor in parallel e. 5, 10, and 40 ohm resistors in series f. 20, 30, and 40 ohm resistors in parallel g. 120, 142, and 312 ohm resistors in series h. 311, 416, and 520 ohm resistors in parallel 4.2.4D Explain the rule for voltage in each type of circuit A 30 ohm resistor and a 20 ohm resistor are connected in series with a 100 volt battery. The electrical potential that is measured across the 30 ohm resistor in this circuit would be: Which has the least resistance? (1) four 8 ohm resistors connected in parallel (2) two 8 ohm resistors connected in series (3) a single 8 ohm resistor (4) a pair of 2 ohm resistors connected in series (1) < 100 V (2) 100 V (3) > 100 V A 30 ohm resistor and a 20 ohm resistor are connected in parallel with a 100 volt battery. The electrical potential that is measured across the 30 ohm resistor in this circuit would be: (1) < 100 V (2) 100 V (3) > 100 V

8 4.2.4F Explain how altering a series or parallel circuit changes current; voltage; and/or equivalent resistance A 10 ohm and 20 ohm resistor are connected in series to an 80 volt battery. If a third 20 ohm resistor is added to this circuit in series: a. The circuit s R eq will (INCREASE/DECREASE/NOT CHANGE) b. The total current will (INCREASE/DECREASE/NOT CHANGE) c. The total voltage will (INCREASE/DECREASE/NOT CHANGE) d. The total power output will (INCREASE/DECREASE/NOT CHANGE) e. The voltage measured across the 10 ohm resistor will (INCREASE/DECREASE/NOT CHANGE) A 10 ohm and 20 ohm resistor are connected in parallel to an 80 volt battery. If a third 20 ohm resistor is added to this circuit in parallel: a. The circuit s R eq will (INCREASE/DECREASE/NOT CHANGE) b. The total current will (INCREASE/DECREASE/NOT CHANGE) c. The total voltage will (INCREASE/DECREASE/NOT CHANGE) d. The total power output will (INCREASE/DECREASE/NOT CHANGE) e. The voltage measured across the 10 ohm resistor will (INCREASE/DECREASE/NOT CHANGE) A set of three light-bulbs are connected in series to a battery. If one light-bulb is removed from the circuit, what happens to the current in the rest of the circuit? A set of three light-bulbs are connected in parallel to a battery. If one lightbulb is removed from the circuit, what happens to the current in the rest of the circuit?

### Test Review Electricity

Name: Date: 1. An operating television set draws 0.71 ampere of current when connected to a 120-volt outlet. Calculate the time it takes the television to consume 3.0 10 5 joules of electric energy. [Show

### Electromagnetism Unit- Electrostatics Sub-Unit

Electromagnetism Unit Electrostatics SubUnit 4.1.1 Elementary Charge Atomic Structure Review electrons nucleus two types of nucleons charge 0 charge Nucleons are not allowed to move around WITHIN matter

### Review. Multiple Choice Identify the letter of the choice that best completes the statement or answers the question.

Review Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. 1. When more devices are added to a series circuit, the total circuit resistance: a.

### Electricity Review completed.notebook. June 13, 2013

Which particle in an atom has no electric charge associated with it? a. proton c. neutron b. electron d. nucleus Jun 12 9:28 PM The electrons in a metal sphere can be made to move by touching it with a

### Circuits-Ohm's Law. 1. Which graph best represents the relationship between the electrical power and the current in a resistor that obeys Ohm s Law?

1. Which graph best represents the relationship between the electrical power and the current in a resistor that obeys Ohm s Law? 2. A potential drop of 50 volts is measured across a 250- ohm resistor.

### ELECTRICITY UNIT REVIEW

ELECTRICITY UNIT REVIEW S1-3-04: How does the Atomic Model help to explain static electricity? 1. Which best describes static electricity? a) charges that can be collected and held in one place b) charges

### Electricity Worksheet (p.1) All questions should be answered on your own paper.

Electricity Worksheet (p.1) 1. In terms of attraction and repulsion, how do negative particles affect negative particles? How do negatives affect positives? 2. What happens to electrons in any charging

### Electron Theory of Charge. Electricity. 1. Matter is made of atoms. Refers to the generation of or the possession of electric charge.

Electricity Refers to the generation of or the possession of electric charge. There are two kinds of electricity: 1. Static Electricity the electric charges are "still" or static 2. Current Electricity

### CLASS X- ELECTRICITY

Conductor- Insulator: Materia Materials through which electric current cannot pass are called insulators. Electric Circuit: A continuous a CLASS X- ELECTRICITY als through which electric current can pass

### 9. Which of the following is the correct relationship among power, current, and voltage?. a. P = I/V c. P = I x V b. V = P x I d.

Name: Electricity and Magnetism Test Multiple Choice Identify the choice that best completes the statement. 1. Resistance is measured in a unit called the. a. ohm c. ampere b. coulomb d. volt 2. The statement

### SNC1DI Unit Review: Static & Current Electricity

SNC1DI Unit Review: Static & Current Electricity 1. Be able to recognize the definitions for the following terms: Friction Contact Induction Lightning Electrostatic Series Pithball electroscope Insulators

### melectron= 9.1x10-31 kg e = 1.6x10-19 C MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

Exam #1, PHYS 102 Name Chapters 16, 17, & 18 8 February 2006 Constants k=9x109 Nm2/C2 e o =8.85x10-12 F/m mproton=1.673x10-27 kg melectron= 9.1x10-31 kg e = 1.6x10-19 C MULTIPLE CHOICE. Choose the one

### Electric Charge. Electric Charge ( q ) unbalanced charges positive and negative charges. n Units Coulombs (C)

Electric Charge Electric Charge ( q ) unbalanced charges positive and negative charges n Units Coulombs (C) Electric Charge How do objects become charged? Types of materials Conductors materials in which

### ELECTRICITY. Electric Circuit. What do you already know about it? Do Smarty Demo 5/30/2010. Electric Current. Voltage? Resistance? Current?

ELECTRICITY What do you already know about it? Voltage? Resistance? Current? Do Smarty Demo 1 Electric Circuit A path over which electrons travel, out through the negative terminal, through the conductor,

### Physics Electrostatics

Homework Procedure: Read pages specified in Honors Physics Essentials by Dan Fullerton. Questions labeled TQ will be questions about the text you read. These TQ s can be answered in one word, one phrase,

### 52 VOLTAGE, CURRENT, RESISTANCE, AND POWER

52 VOLTAGE, CURRENT, RESISTANCE, AND POWER 1. What is voltage, and what are its units? 2. What are some other possible terms for voltage? 3. Batteries create a potential difference. The potential/voltage

### PHYSICS FORM 5 ELECTRICAL QUANTITES

QUANTITY SYMBOL UNIT SYMBOL Current I Amperes A Voltage (P.D.) V Volts V Resistance R Ohm Ω Charge (electric) Q Coulomb C Power P Watt W Energy E Joule J Time T seconds s Quantity of a Charge, Q Q = It

### Electricity Courseware Instructions

Physics Electricity Courseware Instructions This courseware acts as a supplement to the classroom instruction. The five sections on the following slide link to the topic areas. Following the topic area

### Revision checklist SP10. SP10 Electricity and Circuits. SP10a Electric circuits. SP10b Current and potential difference

Electricity and Circuits a Electric circuits Describe the basic structure of an atom (positions, relative masses and relative charges of protons, neutrons and electrons). Recognise the circuit symbols

### Which of these particles has an electrical charge?

Which of these particles has an electrical charge? A. Proton. B. Electron. C. Ion. D. All of the above. Which is the predominant carrier of charge in copper wire? A. Proton. B. Electron. C. Ion. D. All

### MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

Practice Exam 4 Sci1600 S18 KEY Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Two particles with the electric charges Q1 and Q2 repel each

### MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

Practice Exam 4 Sci1600 S18 Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Two particles with the electric charges Q1 and Q2 repel each other.

### Physics Module Form 5 Chapter 2- Electricity GCKL 2011 CHARGE AND ELECTRIC CURRENT

2.1 CHARGE AND ELECTRIC CURRENT Van de Graaf 1. What is a Van de Graaff generator? Fill in each of the boxes the name of the part shown. A device that produces and store electric charges at high voltage

### SPH 4U: Unit 3 - Electric and Magnetic Fields

Name: Class: _ Date: _ SPH 4U: Unit 3 - Electric and Magnetic Fields Modified True/False (1 point each) Indicate whether the statement is true or false. If false, change the identified word or phrase to

### Q-2 How many coulombs of charge leave the power supply during each second?

Part I - Circuit Elements in Series In Figure 1 at the right circuit elements #1, #2, #3 (in this case light bulbs) are said to be connected "IN SERIES". That is, they are connected in a series one right

### TSOKOS LSN 5-1 TO 5-5 TEST REVIEW

IB HYSICS Name: DEIL HYSICS eriod: Date: # Marks: BADDEST CLASS ON CAMUS TSOKOS LSN 5-1 TO 5-5 TEST REIEW 4. This question is about forces on charged particles. (a) (b) A charged particle is situated in

### Insulators Non-metals are very good insulators; their electrons are very tightly bonded and cannot move.

SESSION 11: ELECTRIC CIRCUITS Key Concepts Resistance and Ohm s laws Ohmic and non-ohmic conductors Series and parallel connection Energy in an electric circuit X-planation 1. CONDUCTORS AND INSULATORS

### Electricity Final Unit Final Assessment

Electricity Final Unit Final Assessment Name k = 1/ (4pe 0 ) = 9.0 10 9 N m 2 C -2 mass of an electron = 9.11 10-31 kg mass of a proton = 1.67 10-27 kg G = 6.67 10-11 N m 2 kg -2 C = 3 x10 8 m/s Show all

### Chapter 17 Electric Current and Resistance Pearson Education, Inc.c

Chapter 17 Electric Current and Resistance 2010 Pearson Education, Inc.c 1 Units of Chapter 17 Batteries and Direct Current Current and Drift Velocity Resistance and Ohm s Law Electric Power 2010 Pearson

### CHAPTER 16,18,19 TEST REVIEW

AP PHYSICS Name: Period: Date: Points: 58 Score: IB Curve: DEVIL PHYSICS BADDEST CLASS ON CAMPUS 50 Multiple Choice 45 Single Response 5 Multi-Response Free Response 3 Short Free Response 2 Long Free Response

### Unit 3 BLM Answers UNIT 3 BLM 3-46

UNIT 3 BLM 3-46 Unit 3 BLM Answers BLM 3-3, Charge Transfer Diagrams 1. Positively charged objects should have more (+) than ( ). Negatively charged objects should have more ( ) than (+). 2. They must

### What does it mean for an object to be charged? What are charges? What is an atom?

What does it mean for an object to be charged? What are charges? What is an atom? What are the components of an atom? Define the following: Electric Conductor Electric Insulator Define the following: Electric

### Physics Module Form 5 Chapter 2- Electricity GCKL 2011 CHARGE AND ELECTRIC CURRENT

2.1 CHARGE AND ELECTRIC CURRENT Van de Graaf 1. What is a Van de Graaff generator? Fill in each of the boxes the name of the part shown. A device that... and... at high voltage on its dome. dome 2. You

### Look over Chapter 26 sections 1-7 Examples 3, 7. Look over Chapter 18 sections 1-5, 8 over examples 1, 2, 5, 8, 9,

Look over Chapter 26 sections 1-7 Examples 3, 7 Look over Chapter 18 sections 1-5, 8 over examples 1, 2, 5, 8, 9, 1)How to find a current in a wire. 2)What the Current Density and Draft Speed are. 3)What

### ConcepTest PowerPoints

ConcepTest PowerPoints Chapter 16 Physics: Principles with Applications, 7 th edition Giancoli 2014 Pearson Education, Inc. This work is protected by United States copyright laws and is provided solely

### AP Physics C Electricity & Magnetism Mid Term Review

AP Physics C Electricity & Magnetism Mid Term Review 1984 37. When lighted, a 100-watt light bulb operating on a 110-volt household circuit has a resistance closest to (A) 10-2 Ω (B) 10-1 Ω (C) 1 Ω (D)

### AP Physics Study Guide Chapter 17 Electric Potential and Energy Name. Circle the vector quantities below and underline the scalar quantities below

AP Physics Study Guide Chapter 17 Electric Potential and Energy Name Circle the vector quantities below and underline the scalar quantities below electric potential electric field electric potential energy

### (b) State the relation between work, charge and potential difference for an electric circuit.

Question Bank on Ch-Electricity 1. (a) Define the S.I unit of potential difference. (b) State the relation between work, charge and potential difference for an electric circuit. Calculate the potential

### Physics 1520, Fall 2011 Quiz 3, Form: A

Physics 1520, Fall 2011 Quiz 3, Form: A Name: Date: Numeric answers must include units. Sketches must be labeled. All short-answer questions must include your reasoning, for full credit. A correct answer

### Electrical Forces arise from particles in atoms.

Electrostatics Electrical Forces arise from particles in atoms. The protons(+) in the nucleus attract the electrons and hold them in orbit Electrons(-)repel other electrons and protons repel other protons

### Direct Current (DC) Circuits

Direct Current (DC) Circuits NOTE: There are short answer analysis questions in the Participation section the informal lab report. emember to include these answers in your lab notebook as they will be

### Capacitance. A different kind of capacitor: Work must be done to charge a capacitor. Capacitors in circuits. Capacitor connected to a battery

Capacitance The ratio C = Q/V is a conductor s self capacitance Units of capacitance: Coulomb/Volt = Farad A capacitor is made of two conductors with equal but opposite charge Capacitance depends on shape

### Electric Current. Chapter 17. Electric Current, cont QUICK QUIZ Current and Resistance. Sections: 1, 3, 4, 6, 7, 9

Electric Current Chapter 17 Current and Resistance Sections: 1, 3, 4, 6, 7, 9 Whenever electric charges of like signs move, an electric current is said to exist The current is the rate at which the charge

### Preliminary Course Physics Module 8.3 Electrical Energy in the Home Summative Test. Student Name:

Summative Test Student Name: Date: / / IMPORTANT FORMULAE I = Q/t V = I.R R S = R 1 + R 2 +.. 1/R P = 1/R 1 + 1/R 2 + P = V.I = I 2.R = V 2 /R Energy = V.I.t E = F/q Part A. Multiple Choice Questions 1-20.

### CHARGE AND ELECTRIC CURRENT:

ELECTRICITY: CHARGE AND ELECTRIC CURRENT ELECTRIC CHARGE ELECTRIC CURRENT ELECTRIC CIRCUIT DEFINITION AND COMPONENTS EFFECTS OF ELECTRIC CURRENT TYPES OF CIRCUITS ELECTRIC QUANTITIES VOLTAGE CURRENT RESISTANCE

### Electricity. dronstudy.com

Electricity Electricity is a basic part of our nature and it is one of our most widely used forms of energy. We use electricity virtually every minute of every day for example in lighting, heating, refrigeration,

### Practice Final C. 1. The diagram below shows a worker using a rope to pull a cart.

1. The diagram below shows a worker using a rope to pull a cart. 6. The graph below represents the relationship between gravitational force and mass for objects near the surface of Earth. The worker s

### Symbol Meaning unit. 2. k 3. q. 4. r. 5. E 6. R Total 7. 1/R Total 8. P 9. V 10. I 11. R. 12. Q 13. N 14. e 15. F magnetic 16. v 17.

Name period 3 rd 9 weeks test PEOPLE and SYMBOLS practice Instructions: Work in groups following Quiz-Quiz-Trade activity Date: Monday 2/25/13 Write what each symbol means, including the unit Symbol Meaning

### Properties of Electric Charge

1 Goals 2 Properties of Electric Charge 2 Atomic Structure: Composed of three main particles: 1. Proton 2. Neutron 3. Electron Things to Remember: 3 Everything is made of atoms. Electrons can move from

### CHAPTER 1 ELECTRICITY

CHAPTER 1 ELECTRICITY Electric Current: The amount of charge flowing through a particular area in unit time. In other words, it is the rate of flow of electric charges. Electric Circuit: Electric circuit

### PHYSICS 30 ELECTRIC FIELDS ASSIGNMENT 1 55 MARKS

For each of the following questions complete communication must be shown. Communication consists of an introduction to the physics of the situation, diagrams, word explanations and calculations in a well

### Unit 6 Current Electricity and Circuits

Unit 6 Current Electricity and Circuits 2 Types of Electricity Electricity that in motion. Electricity that in motion. Occurs whenever an moves through a. 2 Types of Current Electricity Electricity that

### A Review of Circuitry

1 A Review of Circuitry There is an attractive force between a positive and a negative charge. In order to separate these charges, a force at least equal to the attractive force must be applied to one

### Electricity. Prepared by Juan Blázquez, Alissa Gildemann. Electric charge is a property of all objects. It is responsible for electrical phenomena.

Unit 11 Electricity 1. Electric charge Electric charge is a property of all objects. It is responsible for electrical phenomena. Electrical phenomena are caused by the forces of attraction and repulsion.

### Chapter 17. Current and Resistance. Sections: 1, 3, 4, 6, 7, 9

Chapter 17 Current and Resistance Sections: 1, 3, 4, 6, 7, 9 Equations: 2 2 1 e r q q F = k 2 e o r Q k q F E = = I R V = A L R ρ = )] ( 1 [ o o T T + = α ρ ρ V I V t Q P = = R V R I P 2 2 ) ( = = C Q

### AP1 Electricity. 1. A student wearing shoes stands on a tile floor. The students shoes do not fall into the tile floor due to

1. A student wearing shoes stands on a tile floor. The students shoes do not fall into the tile floor due to (A) a force of repulsion between the shoes and the floor due to macroscopic gravitational forces.

### Which of the following is the SI unit of gravitational field strength?

T5-2 [122 marks] 1. A cell is connected in series with a 2.0Ω resistor and a switch. The voltmeter is connected across the cell and reads 12V when the switch is open and 8.0V when the switch is closed.

### Chapter.16 / Section.1: Electric Charge. Q=Ne Total Charge=number of electrons transferred fundamental charge

Revision Sheet for the Final Exam Academic Year: 2018/2019 First Term Subject: Physics Grade: 12 Student s name:. Date: 26/11/2017 Required Material: Chapter 16: Electric Forces and Fields, Sections: (1,

### Section 1 Electric Charge and Force

CHAPTER OUTLINE Section 1 Electric Charge and Force Key Idea questions > What are the different kinds of electric charge? > How do materials become charged when rubbed together? > What force is responsible

### Name: Block: Date: NNHS Introductory Physics: MCAS Review Packet #4 Introductory Physics, High School Learning Standards for a Full First-Year Course

Introductory Physics, High School Learning Standards for a Full First-Year Course I. C ONTENT S TANDARDS electricity and magnetism. 5.1 Recognize that an electric charge tends to be static on insulators

### and the charge on a proton is +e. We never see objects that have a charge which is not a whole number multiple of this number.

Name: Physics Chapter 17 Study Guide ----------------------------------------------------------------------------------------------------- Useful Information: e = 1.6"10 #19 C k = 9 "10 9 Nm 2 C 2 \$ 0

Forces Read Chapter 7; pages: 191-221 Objectives: - Describe how electrical charges exert forces on each other; Compare the strengths of electric and gravitational forces; Distinguish between conductors

### Name: Class: Date: 1. Friction can result in the transfer of protons from one object to another as the objects rub against each other.

Class: Date: Physics Test Review Modified True/False Indicate whether the statement is true or false. If false, change the identified word or phrase to make the statement true. 1. Friction can result in

### Mansfield Independent School District AP Physics C: Electricity and Magnetism Year at a Glance

Mansfield Independent School District AP Physics C: Electricity and Magnetism Year at a Glance First Six-Weeks Second Six-Weeks Third Six-Weeks Lab safety Lab practices and ethical practices Math and Calculus

### Electrostatics Review A. A B. B C. C D. D

Name: ate: 1. Which sketch best represents the charge distribution around a neutral electroscope when a positively charged strip is brought near, but does not touch, the electroscope? 4. In the diagram

### Science Practice Exam. Chapters 5 and 14

Science Practice Exam Chapters 5 and 14 FORMULAS Science and Technology FORMULAS C: concentration m: quantity of solute v: quantity of solution V: potential difference R: resistance I: electric current

### Electricity. Part 1: Static Electricity

Electricity Part 1: Static Electricity Introduction: Atoms Atoms are made up of charged particles. Atoms are made of 3 subatomic particles: Electrons protons, electrons and neutrons. Protons () Charge

### ELECTRICAL Quantities

1 ELECTRICAL Quantities Friction And Charge When two materials rub together the contact between their surfaces may cause: a) the surfaces to become hot and show wear and tear. b) the surfaces to become

### Name: Class: Date: Multiple Choice Identify the letter of the choice that best completes the statement or answers the question.

Name: Class: Date: AP REVIEW 4 Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. 1. If a positively charged glass rod is used to charge a metal

### Preview of Period 10: Electric Charge and Force

Preview of Period 10: Electric Charge and Force 10.1 Electric Charge and Forces What happens when you place a negatively charged rod near an object? How do charges cause objects to move? 10.2 Conductors,

### Electric charge is conserved the arithmetic sum of the total charge cannot change in any interaction.

Electrostatics Electric charge is conserved the arithmetic sum of the total charge cannot change in any interaction. Electric Charge in the Atom Atom: Nucleus (small, massive, positive charge) Electron

### 10 N acts on a charge in an electric field of strength 250 N.C What is the value of the charge?

Year 11 Physics Electrical Energy in the Home Name: 1. Draw the electric field lines around a) a single positive charge b) between two opposite charged bodies c) two parallel plates + + + + + + + - - -

### Lesson Plan: Electric Circuits (~130 minutes) Concepts

Lesson Plan: Electric Circuits (~130 minutes) Concepts 1. Electricity is the flow of electric charge (electrons). 2. Electric Charge is a property of subatomic particles. 3. Current is the movement of

### Dynamic Electricity. All you need to be an inventor is a good imagination and a pile of junk. -Thomas Edison

Dynamic Electricity All you need to be an inventor is a good imagination and a pile of junk. -Thomas Edison Review Everything is made of atoms which contain POSITIVE particles called PROTONS and NEGATIVE

### 10/14/2018. Current. Current. QuickCheck 30.3

Current If QCurrent is the total amount of charge that has moved past a point in a wire, we define the current I in the wire to be the rate of charge flow: The SI unit for current is the coulomb per second,

### STUDY GUIDE CHAPTER 5 ELECTRICITY AND MAGNETISM 1) ASSOCIATE ELEMENTARY PARTICLES WITH THEIR ELECTRICAL CHARGE

Name Date STUDY GUIDE CHAPTER 5 ELECTRICITY AND MAGNETISM 1) ASSOCIATE ELEMENTARY PARTICLES WITH THEIR ELECTRICAL CHARGE Scientists now know that an atom is composed of even smaller particles of matter:

### Current and Resistance

Current and Resistance 1 Define the current. Understand the microscopic description of current. Discuss the rat at which the power transfer to a device in an electric current. 2 2-1 Electric current 2-2

### Physics 126 Fall 2004 Practice Exam 1. Answer will be posted about Oct. 5.

Physics 126 Fall 2004 Practice Exam 1. Answer will be posted about Oct. 5. 1. Which one of the following statements best explains why tiny bits of paper are attracted to a charged rubber rod? A) Paper

### The University of the State of New York REGENTS HIGH SCHOOL EXAMINATION PHYSICAL SETTING PHYSICS. Thursday, June 15, :15 to 4:15 p.m.

P.S./PHYSICS The University of the State of New York REGENTS HIGH SCHOOL EXAMINATION PHYSICAL SETTING PHYSICS Thursday, June 15, 2017 1:15 to 4:15 p.m., only The possession or use of any communications

### AP Physics C. Magnetism - Term 4

AP Physics C Magnetism - Term 4 Interest Packet Term Introduction: AP Physics has been specifically designed to build on physics knowledge previously acquired for a more in depth understanding of the world

### PH 102 Exam I N N N N. 3. Which of the following is true for the electric force and not true for the gravitational force?

Name Date INSTRUCTIONS PH 102 Exam I 1. nswer all questions below. ll problems have equal weight. 2. Clearly mark the answer you choose by filling in the adjacent circle. 3. There will be no partial credit

### Chapter 1 The Electric Force

Chapter 1 The Electric Force 1. Properties of the Electric Charges 1- There are two kinds of the electric charges in the nature, which are positive and negative charges. - The charges of opposite sign

### Northern Regional: January 19 th, Circuit Lab B Test. Name(s): Team Name: School Name: Rank: Team Number: Score:

Northern Regional: January 19 th, 2019 Circuit Lab B Test Name(s): Team Name: School Name: Team Number: Rank: Score: Circuits Lab B Test Instructions: Each team has 50 minutes to complete this test. This

### Use these circuit diagrams to answer question 1. A B C

II Circuit Basics Use these circuit diagrams to answer question 1. B C 1a. One of the four voltmeters will read 0. Put a checkmark beside it. b. One of the ammeters is improperly connected. Put a checkmark

### 1) The charge of an electron is. A) negative. B) positive. C) Electrons have no charge.

1) The charge of an electron is A) negative. B) positive. C) Electrons have no charge. 2) Two like charges A) have no effect on each other. B) repel each other. C) must be neutrons. D) neutralize each

### 4.2.1 Current, potential difference and resistance

4.2 Electricity Electric charge is a fundamental property of matter everywhere. Understanding the difference in the microstructure of conductors, semiconductors and insulators makes it possible to design

### Nama :.. Kelas/No Absen :

Nama :.. Kelas/No Absen : TASK 2 : CURRENT AND RESISTANCE 1. A car battery is rated at 80 A h. An ampere-hour is a unit of: A. power B. energy C. current D. charge E. force 2. Current has units: A. kilowatt-hour

### Electromagnetism. Electricity Electromagnetism Magnetism Optics. In this course we are going to discuss the fundamental concepts of electromagnetism:

Electromagnetism Electromagnetism is one of the fundamental forces in nature, and the the dominant force in a vast range of natural and technological phenomena The electromagnetic force is solely responsible

### What is electricity? Charges that could be either positive or negative and that they could be transferred from one object to another.

Electricity What is electricity? Charges that could be either positive or negative and that they could be transferred from one object to another. What is electrical charge Protons carry positive charges

### 6. In a dry cell electrical energy is obtained due to the conversion of:

1. If a wire of uniform area of cross section is cut into two halves (equal in size), the resistivity of each part will be: a) Halved. b) Doubled. c) Becomes four times its initial value. d) Remains the

### Notes on Electricity (Circuits)

A circuit is defined to be a collection of energy-givers (batteries) and energy-takers (resistors, light bulbs, radios, etc.) that form a closed path (or complete path) through which electrical current

### Version The diagram below represents lines of magnetic flux within a region of space.

1. The diagram below represents lines of magnetic flux within a region of space. 5. The diagram below shows an electromagnet made from a nail, a coil of insulated wire, and a battery. The magnetic field

### ELECTRICITY. Prepared by: M. S. KumarSwamy, TGT(Maths) Page

ELECTRICITY 1. Name a device that helps to maintain a potential difference across a conductor. Cell or battery 2. Define 1 volt. Express it in terms of SI unit of work and charge calculate the amount of

### Test 4 Preparation Questions

Test 4 Preparation Questions A1. One joule of work is required to move a one-coulomb point charge from point A to point B in a uniform electric field. This indicates that (A) the resistance between points

### 2015 EdExcel A-Level Physics Topic 3. Charge and current

2015 EdExcel A-Level Physics Topic 3 Charge and current 9/17/2018 Electric Charge Atoms consists of Negatively-charged electrons and Positively charged protons. Atoms have the same number of protons and

### Circuits Capacitance of a parallel-plate capacitor : C = κ ε o A / d. (ρ = resistivity, L = length, A = cross-sectional area) Resistance : R = ρ L / A

k = 9.0 x 109 N m2 / C2 e = 1.60 x 10-19 C ε o = 8.85 x 10-12 C2 / N m2 Coulomb s law: F = k q Q / r2 (unlike charges attract, like charges repel) Electric field from a point charge : E = k q / r2 ( towards

### ELECTRICAL FORCE UNIT NOTES

ELECTRICAL FORCE UNIT NOTES Property that causes electrical force is called Charge Opposite charges Attract Like charges Repel Charge comes from the atoms. Electrons are negative, protons are positive.