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A square metal wire loop of side 20 cm a...

A square metal wire loop of side 20 cm and resistance `2Omega` is moved with a constant velcoity `v_(0)` in a uniform magnetic field of induction B = 1 `Wb//m^(2)` as shown in the figure. The magnetic field lines are perpendicular to the plane of the loop. The loop is connected to a network of resistance each of value `5Omega`. The resistances of the lead wires BF and AE are negligible. What should be the speed of the loop, so as to have a steady current of 2 mA in the loop? Give the direction of current in the loop.

A

`0.5 cm s^(-1)`

B

`1 cm s^(-1)`

C

`2 cm s^(-1)`

D

`4 cm s^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
C
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