RGPV Exam papers
Electromagnetic Theory Dec 2003 4th Sem
Note: Attempt any five questions. All question carry equal marks.
1 (a) Give physical singifitions of curl, divergence and gradient of vector.
(b) State and explain divergence theorem.
2. (a) Obtain general solution of Laplace’s equation .
(b) State and prove Stake’s theorem
3. (a) State Faradays law and hence derive Maxwell’s equation in integral form.
(b) What is uniform plane wave? Show that for such a wave, the electric fields has no component
Along the directions of propagation.
4 (a) what do you mean by displacement current? Give it signification.
(b) Proved that the intrinsic impedance Offered by free space is 120 π.
5 (a) State Maxwell’s equation in differential from and explain their physical signification.
(b) Driven an expression for the potential at a point outside a hollow sphere having a uniform charge
6 (a) State and prove the boundary conditions to be satisfied by electric filed.
(b) Find the magnetic vector potential at points remodel from short length wire carrying an
7 (a) Prove that the maximum effective aperture of a linear half wave antenna is given by 0.13 (wave
(b) Explain the following:
(i) Magnetic vector potential (ii) Skin depth
8 Write short notes of any three of the following:
(i) Ampere’s law (ii) Pointing vector (iii) Reflection of uniform plain waves
(iv) Continuity equation.