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A metal disc of radius 200 cm is rotated...

A metal disc of radius 200 cm is rotated at a constant angular speed of `60rad s^(-1)` in a plane at right angles to an external field of magnetic induction `0.05 Wb m^(-2)`. Find the e.m.f. induced between the centre and a point on the rim.

A

(a)3V

B

(b)1.5 V

C

(c)6V

D

(d)9V

Text Solution

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The correct Answer is:
B
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