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The emf induced in a coil having N turns is?(a) e=ϕ/t(b) e=N*ϕ/t(c) e=N*ϕ*t(d) e=N^2*ϕ*tThe question was posed to me in quiz.My question comes from Magnitude of the Generated or Induced EMF topic in portion Electromagnetism of Basic Electrical Engineering

Answer»

Correct answer is (B) e=N*ϕ/t

Easy EXPLANATION: The emf induced in a COIL having N turns is, e=N*ϕ/t. This is because, the emf in a SINGLE coil is the flux linkage PER unit time, that is, phi/t. Hence the flux induced in N turns is N*ϕ/t.



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