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The radius of a circular coil having 50 ...

The radius of a circular coil having 50 turns is 2 cm. Its plane is normal to the magnetic field. The magnetic field changes from 2T to 4T in 3.14 sec. The induced emf in coil will be :-

A

0.4V

B

0.04V

C

4mV

D

0.12V

Text Solution

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The correct Answer is:
B
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