Acropolis Technical Campus, Indore, , (M.P.) Electronics and Communications Course Plan UG Electromagnetic Field Theory

Transcription

1 Acropolis Technical Campus, Indore, , (M.P.) Electronics and Communications Course Plan UG Electromagnetic Field Theory Course Code EC5001 Session: July- Dec 17 Semester:V Tutor Nisha Kiran Revision date : Branch: EC E mail nishakiran.atc@acropolis.in Mob. No: No. of Pages: / 1. Scheme of the Semester Containing the Course S.No. Subject Code Subject Name & Title End Sem. Mid Sem. MST (Two tests avera ge) Theory Slot Quiz, Assig Maximum Marks Allotted E n d S e m Practical Slot Term work Lab work & sessio nal Assig nm ent/ quiz T o t al Credit s Allotte d Subjec t wise Period per week Total Credits L T P 1 EC5001 Electromagnetic Field Theory Course Overview In this paradigm introduction to choosing a coordinate system that fits a given problem are described. Various concepts regarding static electric field are discussed in later part. Generation of magnetic field and its behavioral analysis and time varying effect on E-field and M-field are also discussed. Representation of field vectors in time harmonic fields, Maxwell s equations and its physical interpretations are also discussed in later part.it is also described the effect of polarization, reflection and refraction effect in context of uniform plane wave. 3. Course Learning Objectives (CLO) The student will CLO1: Understand the concept of spatial variations of quantities and define all points uniquely in space in suitable coordinate system. CLO2: Explain the fundamental concepts that are applicable to time invariant electric fields in free space.es. CLO3: Analyze the concept of magneto static field and link between electric and magnetic field. CLO4: Grasp the significance of time varying electric and magnetic field. CLO5: Understand the concept of direction in which electric field of electromagnetic wave points. CLO6: Explain the concept of reflection and refraction of plane wave.

2 4. Course Outcomes (CO) At the end of the course, student would be able to demonstrate the knowledge and ability to CO5001.1: Compare and transform points and vector from one coordinate system to another. CO5001.2: Enumerate the reasons of the generation of electrostatic field. CO5001.3: Analyze the movement of charge and generation of static magnetic field. CO5001.4: Analyze the time varying fields or wave that is usually due to time varying currents. CO5001.5: Compare and understand polarization in different lossy medium CO5001.6: Analyze the behavior of reflection and refraction at dielectric and conducting surface. Course Outcome (CO) CO CO CO CO CO CO CO Statement Compare and transform points and vector from one coordinate system to another. Enumerate the reasons of the generation of electrostatic field. Analyze the movement of charge and generation of static magnetic field. Analyze the time varying fields or wave that is usually due to time varying currents. Compare and understand polarization in different lossy medium Analyze the behavior of reflection and refraction at dielectric and conducting surface. 5. Mapping Course Outcomes (COs) leading to the achievement of Programme Outcomes (POs) and Programme Specific Outcomes (PSOs) (Copy of programme related, PO and PSO are to be attached with this course plan) CO PO PSO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PO11 PO12 PSO1 PSO2 PSO3 CO CO CO CO CO CO Enter correlation level 1, 2, 3 as defined below- 1: Slight (Low); 2: Moderate (Medium); 3: Substantial (High) and if there is no correlation, put Topic delivery details of Content beyond the Syllabus for the attainment of POs and PSOs. Sr. No. Content Beyond syllabus to be taught Satisfying PO Satisfying PSO 1. Introduction to basic physics. a,c,j 1,3 2. Knowledge of calculus b,d,f, 1,3 3. Basic concept of electric and magnetic field b,f 1,2

3 7. Distribution of Course Work as per University Scheme (Copy of scheme is to be attached with this course plan) Slot / Contact Type Ingredients (per student) Distribution of 1hr Number of hours per week Per Sem (12 weeks) Distribution of Marks Max. Marks As per University scheme End Internal Sem MST / LWS Q/A Theory Lecture (L) Slot Tutorial (T) 2 24 Internal Assessments are based on scheme provided by the university. (3.a) No. of Theory Lectures Necessary for the course: (3.b) No. of Theory Lectures Unit wise: UNIT I II III IV V TOTAL Assigned No. of Lectures per Unit Actual Taken 8. Time Schedules: Total expected periods from <July> to <December> as per Academic Calendar, excluding sports week, holidays etc. <write the no. of periods available as per academic calendar > Ingredients Mon Tues Wednes Thurs Fri Satur day day day day day day Available Theory (L) Tutorials (T) Practicals (P) Batch (for T & P) Max. Available Needed Excess / Short 9. Prerequisite(s) a. Basic of calculus. b. Knowledge of basic physics. c. Fundamentals of electric and magnetic field. 10. Post Requisites Student will be able to represent wave in different transmission medium and able to evaluate properties of wave and losses in context of transmission.

4 11. University Syllabus Unit-0: Different types of communication systems, Concept of Electric and Magnetic field. Basics of fundamentals of physics. Concepts of calculus and vector calculus in two dimensional. Basic knowledge of coordinate s geometry. Unit-I: Review of vector calculus: orthogonal coordinate systems, gradient, divergence and curl. Laplacian operator for scalar and vectors. Vector integral and differential identities and theorems. Phasor representation of harmonic variation of scalar and vectors Static electric fields, Culomb s law, electric flux density and electric field intensity, permittivity, dielectric constant, field of distributed charges in free space, potential function, Laplace s and Poisson s equations, electric dipole, stored electric energy density. Boundary conditions at discontinuities between two media including conducting boundaries, surface charge attribution capacitance between two isolated conductors Unit-II: Solution of Laplace s equations in systems of dielectric and conducting boundaries, uniqueness theorem, two dimensional boundary condition problems, solution by symmetry, conformal transformation of functions, image theory etc. fields in parallel wire, parallel plane and coaxial systems. Static currents and magnetic fields- flow of charge in conductive media, lossy conductive medium, current density, specific conductivity, mobility, explanation of Ohm s law employing mobility. Magnetic effects of current flow, Biot-Savart s law in vector form magnetic field intensity, magnetic flux, and permeability, closed loop currents, Ampere s circuital law in integral and differential vector form, magnetic vector potential and related equations. Problems related to straight wire toroidal and cylindrical solenoids, inductance. Boundary conditions on magnetic field, equivalent surface currents for abrupt discontinuity of magnetic field. Unit-III: Time varying fields Faraday s law in integral and differential forms, displacement current concept, Maxwell s equations in differential and integral forms, wave equations in source free region electric and magnetic stored energy density, continuity equation, Poynting vector theorem. Time harmonic fields, r.m.s. phasor representation of field vectors, Maxwell s equations for TH field, average energy density, complex Poynting vector, duality concept. Helmholtz wave equation, general solution in free space in various coordinates, plane polarized wave in free space, properties of plane waves, wave front, power flow, stored energy density. Unit-IV: Circular and elliptic polarization, resolution in terms of linear polarized waves and vice- versa. Plane waves in lossy medium, low loss dielectric, good conducting and ionized media, complex permittivity, loss tangent, skin depth, transmission line analogy, boundary conditions at perfect conductor surface, surface current density Interference of two plane waves traveling at oblique directions. Unit V: Reflection and refraction of plane waves at dielectric media and conducting Surfaces, Brewster s angle, total internal reflection, resultant fields and power flow in both media. Frequency dispersive propagation, phase velocity and group velocity. Magnetic vector potential for sources in free space, retarded potential, radiation principles, boundary condition at infinity Tutorials: Tutorial 1 (Unit I), Tutorial 2 (Unit II), Tutorial 3 (Unit III), Tutorial 4 (Unit IV), Tutorial 5 (Unit V). 12. Books prescribed by the University R1.. Mathew N.O Sadiku: Elements of Electromagnetic, Oxford University Press,4 th /ed R2. John D. Kraus: Electromagnetics, Mc. Graw Hill,4 th /ed R3. William H. Hayt: Engineering Electromagnetic, TMH, 8 th /ed R4. Jordan Balmian: Electromagnetic wave and Radiating System, PHI,2 nd /ed R5. David K. Cheng: Electromagnetic Fields and Wave, Addison Wesley,2 nd /ed R6.. Ramo, Whinnerry and VanDuzzer Fields and waves in communication electronics, Wiley, 3 rd /ed R7. Harrington RF, Electromagnetic fields Mc Graw Hill,2 nd /ed

5 Additional books prescribed by the Tutor A. S.P.Seth: Elements of Electromagnetic Fields,Dhanpat Rai,2 nd /ed B. Syed Hasan Saeed: Electromagnetic Field Theory, Kataria and sons, 2 nd ed C. Mallikarjuna Reddy Y: Electromagnetic Fields, Orient Blackswan Private Limited,2/ed D. J A Edminister: Electromagnetics,McGraw-Hill,2nd /ed e- Resources / Software requirement if any; and its availability a Course / Lecture and Tutorial Schedule Lect urer No. Unit No. Aim Refererence no. [page to page]. (CO) Topics to be covered 1 orthogonal coordinate systems R1 (6-9) 2 gradient, divergence and curl CO.50 R1 (37-47) Laplacian operator for scalar and vectors R1 (55-57) 4 Vector integral and differential identities and R1 (32-35) theorems. 5 Phasor representation of harmonic variation of A(32-35) scalar and vectors 6 1 Static electric fields Columb s law, electric flux CO.50 R1 (72-90) density and electric field intensity, permittivity, 1.2 dielectric constant, 7 field of distributed charges in free space potential R1 ( ) function, 8 Laplace s and Poisson s equations R1 ( ) 9 Electric dipole, stored electric energy density. R3 ( ) 10 Boundary conditions at abrupt discontinuities between two media including conducting boundaries R1 ( ) 11 surface charge distribution capacitance between R3( ) two isolated conductors 12 uniqueness theorem, two dimensional boundary R1 ( condition problems 13 Solution by symmetry, conformal transformation of R1( ) functions, image theory. 14 Static currents and magnetic fields- flow of charge R1( ) in conductive media 15 lossy conductive medium, current density, R1( ) specific conductivity, mobility, 16 explanation of Ohm s law employing mobility, R3( ) Magnetic effects of current flow 17 2 Biot-Savart s law in vector form magnetic field CO.50 R3 ( ), intensity magnetic flux, and permeability, closed loop A ( ) currents 19 Ampere s circuital law in integral and differential vector form R1 (241), A(244) 20 magnetic vector potential and related equations A( ) 21 Problems related to straight wire toroidal and R1 ( ) cylindrical solenoids, inductance. 22 Boundary conditions on magnetic field, A ( ) 23 Faraday s law in integral and differential forms, R1 ( ) displacement current concept 24 Maxwell s equations in differential and integral R1 ( ), No. of Student present Dates of completion

6 forms A( ) 25 wave equations in source free region electric and A( ) magnetic stored energy density, 26 3 Continuity equation, Poynting vector theorem. CO.50 A( ) Time harmonic fields, r.m.s. phasor representation R1 ( ) of field vectors 27 Maxwell s equations for TH field, average energy A ( ) density 29 complex Poynting vector, duality concept A ( ) 30 Helmholtz wave equation, general solution in free R1 ( ) space in various coordinates 31 plane polarized wave in free space, A ( ) properties of plane waves, wave front, power flow, stored energy density. 32 Circular and elliptic polarization, resolution in A ( ) terms of linear polarized waves and vice- versa. 33 Plane waves in lossy medium, low loss dielectric, A( ) good conducting and ionized media 34 4 complex permittivity, loss tangent, skin depth, transmission line analogy R1 ( ), A ( ) 35 boundary conditions at perfect conductor surface R1 ( ) 36 surface current density Interference of two plane R1 ( ) waves traveling at oblique directions 37 Reflection and refraction of plane waves at A ( ) dielectric media and conducting Surfaces 38 Brewster s angle, total internal reflection R1 ( ) 39 5 Magnetic vector potential for sources in free CO.50 A ( ) space retarded potential, radiation principles, boundary condition at infinity A ( ) 14. Evaluation and Assessment scheme: As per format no. Approved by:

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