EE 210: Circuits Spring 2016
Overview of EE 210 1. Why take a course on circuits? 2. Course text 3. Course syllabus 4. Course schedule 5. Start Chapter 1
EE 210 in a Nutshell 1. Learn rules for individual components 2. Learn rules for interactions between components 3. Use rules to analyze existing circuits 4. Use rules to design new circuits
The Components 1. Power sources 2. Resistors 3. Inductors 4. Capacitors 5. Amplifiers
The Rules 1. Ohm s law 2. Series and parallel connections 3. Kirchoff s voltage law 4. Kirchoff s current law 5. Thevenin s and Norton s theorems 6. Superposition
Overview of EE 210 1. Why take a course on electrical science? 2. Course text 3. Course syllabus 4. Course schedule 5. Start Chapter 1
Overview of EE 210 1. Why take a course on electrical science? 2. Course text 3. Course syllabus 4. Course schedule 5. Start Chapter 1
Overview of EE 210 1. Why take a course on electrical science? 2. Course text 3. Course syllabus 4. Course schedule 5. Start Chapter 1
January 2017 Sunday Monday Tuesday Wednesday Thursday Friday Saturday 1 2 3 4 5 6 7 New Year's Day New Year's Day (observed) 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Martin Luther King Day 22 23 24 25 26 27 28 29 30 31 1 2 3 4
February 2017 Sunday Monday Tuesday Wednesday Thursday Friday Saturday 29 30 31 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Presidents' Day 26 27 28 1 2 3 4
March 2017 Sunday Monday Tuesday Wednesday Thursday Friday Saturday 26 27 28 1 2 3 4 3 5 6 7 8 9 10 11 12 13 14 15 16 17 18 17 19 20 21 22 23 24 25 26 27 28 29 30 31 1
April 2017 Sunday Monday Tuesday Wednesday Thursday Friday Saturday 26 27 28 29 30 31 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 19 23 24 25 26 27 28 29 30 1 2 3 4 5 6 Review 28
Overview of EE 210 1. Why take a course on electrical science? 2. Course text 3. Course syllabus 4. Course schedule 5. Start Chapter 1
Chapter 1: Basic Concepts 1. Voltage, current, and power 2. Ideal power sources 3. Resistors
Chapter 1: Basic Concepts 1. Voltage, current, and power 2. Ideal power sources 3. Resistors
Water Electricity/Water Analogy Water flows well through conduits: river banks, pipes. Reference: http://cnx.org/content/m17281/latest/
Water Electricity/Water Analogy Water flows well through conduits: river banks, pipes. Reference: http://cnx.org/content/m17281/latest/
Electricity/Water Analogy Water Electricity Water flows well through conduits: river banks, pipes. Reference: http://cnx.org/content/m17281/latest/
Electricity/Water Analogy Water Electricity Water flows well through conduits: river banks, pipes. Electricity flows well through metal conductors. Reference: http://cnx.org/content/m17281/latest/
Electricity/Water Analogy Water Electricity High banks prevent floods. Reference: http://cnx.org/content/m17281/latest/
Electricity/Water Analogy Water Electricity High banks prevent floods. Reference: http://cnx.org/content/m17281/latest/
Electricity/Water Analogy Water Electricity High banks prevent floods. Good insulators prevent shocks. Reference: http://cnx.org/content/m17281/latest/
Electricity/Water Analogy: Voltage Low potential High potential
Electricity/Water Analogy: Voltage Low potential High potential
Electricity/Water Analogy: Voltage Low potential High potential
Electricity/Water Analogy: Voltage Low potential High potential 1.5 V 9 V
Electricity/Water Analogy: Voltage Low potential High potential 1.5 V 9 V
Electricity/Water Analogy: Voltage Low potential High potential 1.5 V 9 V
Electricity/Water Analogy: Voltage Low potential High potential Voltage is electric potential energy per unit charge: 1 V = 1 J/C 1.5 V 9 V
Electricity/Water Analogy: Voltage Low potential High potential
Amount of work produced depends on relative height
Amount of work produced depends on relative height
Amount of work produced depends on relative height
Amount of work produced depends on electrical potential difference
8 x 1.5 V = 12 V Amount of work produced depends on electrical potential difference
8 x 1.5 V = 12 V Amount of work produced depends on electrical potential difference
8 x 1.5 V = 12 V Amount of work produced depends on electrical potential difference
Electricity/Water Analogy High potential High potential
Electricity/Water Analogy: Current Low flow High flow
Electricity/Water Analogy: Current Water flow = gallons per minute
Electricity/Water Analogy: Current Electrical flow = coulombs per second (current) (amperes)
Electricity/Water Analogy: Current Electrical flow = coulombs per second (current) (amperes)
Electricity/Water Analogy: Current Electrical flow = coulombs per second (current) (amperes)
Electricity/Water Analogy: Current Electrical flow = coulombs per second (current) (amperes) Current is a measure of the flow of electrical charge per unit time: 1 A = 1 C/sec
Electricity/Water Analogy: Current
Electricity/Water Analogy: Current Low (sustained) flow High (sustained) flow 40 mah 40 Ah (40,000 mah)
Electricity/Water Analogy: Power High potential, low flow Low potential, high flow
Electricity/Water Analogy: Power High potential, low flow Low potential, high flow 1 W = 1 J/sec
Electricity/Water Analogy: Power High potential, low flow + 12 V 2 A = 24 W
Electricity/Water Analogy: Power High potential, low flow Low potential, high flow + + 12 V 2 A = 24 W = 1.5 16 A A
Electricity/Water Analogy: Power High potential, low flow Low potential, high flow + Power is a measure of rate of 15 V 2 A = 30 W = 1.5 8 A + energy transfer: 1 W = 1 V 1 A = 1 J/C 1 C/sec = 1 J/sec
Summary of Voltage, Current, and Power Voltage = Height of waterfall Current = Flow of water Power = Rate of work performed by waterwheel at base of waterfall Tall waterfall + lots of water = Many, many Watts
Grande Dixence Dam (Switzerland) Height: 935 ft Volume: 6,000,000 m 3 Power: 2,069 MW
Hoover Dam (Arizona/Nevada) Height: 726 ft Volume: 2,480,000 m 3 Power: 2,080 MW