The emf induced in a coil rotating in a magnetic field does ...

CBSE Class 12 Physics 2024 All Sets Solved Paper

Question : 3 of 14

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The emf induced in a coil rotating in a magnetic field does not depend upon the following:

Solution:

The induced in a coil of N turns is,

ε =-\;{d}/{dt} (φ)

ε =-\;{d}/{dt} [NBA \cos ω t]

ε = NBAω \sin ω t

∴ Induced emf is independent of resistance of the coil.

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