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In the figure shown the four rods have l...

In the figure shown the four rods have `lambda` resistance per unit length . The arrangement is kept in a magnetic field of constant magnitude B and directed perpendicular to the plane of the figure and direction inwards . Initially the sides as shown form a square . Now each wire starts moving with constant velocity v towards opposite wire . Find as a function of time .

Induced current in the circuit with direction

A

`(2Bv)/(lambda)`

B

`(Bv)/(lambda)`

C

`(Bv)/(2 lambda)`

D

zero

Text Solution

Verified by Experts

The correct Answer is:
b
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