Electromagnetics

Course Title: Electromagnetics

Course No: EX 236

Nature of the Course: Theory + Lab

Semester: 3

Full Marks: 100

Pass Marks: 45

Credit Hours: 3

Course Description

The Engineering Electromagnetics uses basic concepts from Physics and enable students to identify electrostatic and magneto statics problems.

Course Objectives

After successfully completing the course activities, the student will be able to: Identify coordinate systems and their use in electromagnetics. Identify electrostatics laws and use those laws to derive electric field intensities. Identify the relationship between electric flux density, and electric field intensity. Solve electrostatics problems involving electric energy, potential, conductors, capacitance and dielectrics. Identify the laws of magnetostatics and use those laws to derive magnetic field intensities. Identify Maxwell's equation in Integral and Point form.

Course Contents

1. Vector Analysis

7 hrs

1.1. The Rectangular Coordinate System

1.2. The Circular Cylindrical Coordinate System

1.3. The Spherical Coordinate System

2. Coulomb's Law and Electric Field Intensity

5 hrs

2.1. Coulomb's Law

2.2. Electric Field Intensity

2.3. Field of a Line Charge

2.4. Field of a Sheet of Charge

3. Electric Flux Density, Gauss's Law, and Divergence

4 hrs

3.1. Electric Flux Density

3.2. Gauss's Law, and it's application

3.3. Divergence Theorem

4. Energy and Potential

5 hrs

4.1. Energy Expended in Moving a Point Charge in an Electric Field

4.2. Definition of Potential Difference and Potential

4.3. Potential Gradient, and Energy Density in the Electrostatic Field

5. Conductors and Dielectrics

2 hrs

5.1. Current and Current Density

5.2. Continuity of Current

6. Capacitance

7 hrs

6.1. Capacitance

6.2. Parallel-Plate Capacitor

6.3. Poisson's and Laplace Equations

6.4. Examples of the Solution of Laplace's Equation

7. The Steady Magnetic Field

7 hrs

7.1. Biot-Savart Law

7.2. Ampere's Circuital Law

7.3. Curl, and Stokes' Theorem

7.4. Magnetic Flux and Magnetic Flux Density

8. Magnetic Forces, Materials, and Inductance

2 hrs

8.1. Force on a Moving Charge

8.2. Force on a Differential Current Elements

9. Time-Varying Fields and Maxwell's Equation

6 hrs

9.1. Faraday's Law

9.2. Displacement Current

9.3. Energy in Magnetic Fields

9.4. Maxwell's Equation in Point Form

9.5. Maxwell's Equation in Integral Form

9.6. Poynting Theorem

Laboratory Works

Laboratory experiments included the mapping of electrostatic fields, determination of dielectric constants, demonstration of magnetic hysteresis, and measurement of the velocity factor of a coaxial cable.

1.Mapping of Electrostatic Field on Electro-Conducting paper
2.Determination of the Dielectric Constant of an Insulator
3.Display of Magnetic Hysteresis
4.Measurement of Velocity Factor of a Co-axial Cable

Text Books

1."Engineering Electromagnetics": William H. Hayt, Jr, John A Buck, Tata McGraw Hill Publication, Latest Edition

Reference Books

1."Elements of Electromagnetics": Matthew Sadiku, Oxford University Press, Latest Edition
2."Elements of Engineering Electromagnetics": N. Narayana Rao, Latest Edition

Notes:

This syllabus follows the official BE Comp curriculum of Far Western University. In case of any doubt or revision, the university's published syllabus shall be considered authorative.

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