**EE6302 EMT Notes**

Anna University Regulation 2013 EEE EE6302 EMT Notes, ElectroMagnetic Theory Lecture Handwritten Notes for all 5 units are provided below. Download link for EEE 3rd SEM EE6302 ElectroMagnetic Theory Lecture Handwritten Notes are listed down for students to make perfect utilization and score maximum marks with our study materials.

UNIT 1 – ELECTROSTATICS I

1. State stokes theorem.

The line integral of a vector around a closed path is equal to the surface integral of the normal component of its curl over any surface bounded by the path

∫H.dl = ∫ ∫ (∆xH)ds

Where, H=Magnetic field intensity

2. State the condition for the vector F to be solenoidal.

∆.F =0

Where, F=A i + B i + C i

3. State the condition for the vector F to be irrotational.

∆xF =0

Where, F=A i + B i + C i

4. Give the relationship between potential gradiant and electric field.

E= – ∆V

Where, E=Electric Field Intensity

V=Electric Potential

5. What is the physical significance of div D ?

The divergence of a vector flux density is electric flux per unit volume leaving a small volume. This is equal to the volume charge density.

6. What are the sources of electric field and magnetic field?

Stationary charges produce electric field that are constant in time, hence the term electrostatics. Moving charges produce magnetic fields hence the term magneto statics.

7. State Divergence Theorem.

The integral of the divergence of a vector over a volume v is equal to the surface integral of the normal component of the vector over the surface bounded by the volume.

∫∫∆.F ds = ∫∫∫ F dv

Where, F=A i + B i + C i

8. Define divergence.

The divergence of a vector F at any point is defined as the limit of its surface integral per unit volume as the volume enclosed by the surface around the point shrinks to zero.

9. State coulombs law. Coulombs law states that the force (F) between any two point charges (Q1 and Q2) is directly proportional to the product of their magnitudes and inversely proportional to the square of the distance ® between them. It is directed along the line joining the two charges.

F= (Q1Q2) / (4Πεr 2 ) dr

10. State Gauss law for electric fields

The total electric flux passing through any closed surface is equal to the total charge enclosed by that surface.

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