Question

A circular coil of area 8m2 and the number of turns 20 is placed in magnetic field of 2t with its plane perpendicular to it. it rotates with an angular velocity of 20 rev/s about its natural axis then the emf induced is

Answer 1

emf=-d(phi)/dt
=8*20*2*20=6400V

Answer 2

Answer:

Zero

Explanation:

Since B is perpendicular to coil, θ= 90° and cos90°=0

Therefore, answer is zero.

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