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The current element of the magnetic vector potential for a surface current will be

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in Electromagnetic Theory by (188k points)
The current element of the magnetic vector potential for a surface current will be

(a) J dS

(b) I dL

(c) K dS

(d) J dV

I got this question in an international level competition.

My enquiry is from Magnetic Vector Potential in portion Magnetostics of Electromagnetic Theory

1 Answer

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Best answer
Correct answer is (c) K dS

The best I can explain: The magnetic vector potential for the surface integral is given by A = ∫ μKdS/4πR. It is clear that the current element is K dS.

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