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3 C 41238

19. Use Norton’s theorem to determine the current through the 5 Q resistance of the following circuit.

4 62 862
A
4Q
20 V
B

(Ceiling - 30)
Section C (Essay Type)

Answer in about two pages, any one question.

Answer carries 10 marks.

20. Explain Faraday’s law and Ampere’s law. Give the integral and differential forms of the laws.

Discuss how Maxwell modified Ampere’s law in the case of time varying electric fields.
21. Discuss the potential formulation of electrodynamics.

(1 x 10 = 10 marks)

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