Question

A copper disc of radius 0.1 m rotated about its centre with
10 revolutions per second in a uniform magnetic field of 0.1
tesla with its plane perpendicular to the field. The e.m.f.
induced across the radius of disc is
(a) π/10 volt
(b) 2π/10 volt

(c) π ×10⁻² volt (d) 2π ×10⁻² volt

Answer 1

Answer:

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Explanation:

option d