13-01-2015, 03:51 PM

Anna University , Chennai

Department of B.E-Electrical and Electronics Engg

Third Semester

Electromagnetic Theory

Scanned Lecture Notes (Units 1,2 and 3)

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Content :

UNIT-1

INTRODUCTION

Definition for electromagnetic

Field

Scalar field

Vector field

Vector algebra

Unit vector

Vector multiplication

Dot product

Cross product

Triple product

1. Scalar triple product

2. Vector triple product

Co-ordinate system

1. Cartesian co-ordinate system

2. Cyclindrical co-ordinate system

3. Spherical co-ordinate system

Differential length

Differential area

Differential volume

Parameter of co-ordinate system

Transformer of one co-ordinate variable into another co-ordinate variable

Problems

Differential operation

1. Gradient

2. Divergence

3. Curl

Properties of divergence

Properties of curl

Stokes theorem

Divergence theorem

Proof of divergence theorem

UNIT-2

ELECTROSTATIC FIELD

Coulomb’s law

Problems

Continuous distribution of charges

1. Volume charge density

2. Surface charge density

3. Line charge density

ELECTRIC FIELD INTENSITY

Electric potential and electric difference

Field of the line charge

Gauss’s law

Poission’s and laplace equation

Capacitor and capacitance

Dielectric strength

Capacitance of an isolated sphere

Capacitance of concentric sphere

Capacitance of a co-axial cyclinder

Capacitance of parallel conductor

Electrostatic energy

Energy density

Method of images

Polarization

Boundary condition

UNIT-3

Magnetic field

Magnetic flux

Magnetic flux density

Magnetic field intensity

Magnetic gauss’s law

Ampere circuit law

Application of biot savart’s law

Problems

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