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Which of the following relations is correct?

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in Electromagnetic Theory by (188k points)
Which of the following relations is correct?

(a) MMF = ∫ B.dl

(b) MMF = ∫ H.dl

(c) EMF = ∫ E.dl

(d) EMF = ∫ D.dl

I had been asked this question at a job interview.

Enquiry is from Maxwell Law in Time Static Fields in chapter Maxwell Equations of Electromagnetic Theory

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Best answer
The correct option is (c) EMF = ∫ E.dl

The best I can explain: The emf induced in a material is given by the line integral of the electric field intensity. Thus EMF = ∫ E.dl is the correct relation.

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