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Calculate the emf when a coil of 100 turns is subjected to a flux rate of 0.3 tesla/sec.

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Calculate the emf when a coil of 100 turns is subjected to a flux rate of 0.3 tesla/sec.

(a) 3

(b) 30

(c) -30

(d) -300

I got this question in my homework.

This interesting question is from Faraday Law, EMF and Lenz Law topic in portion Magnetostics of Electromagnetic Theory

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Correct option is (c) -30

To elaborate: The induced emf is given by Vemf = -dλ/dt = -Ndψ/dt. Thus emf will be -100 x 0.3 = -30 units.

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