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The figure shows a circular loop of radi...

The figure shows a circular loop of radius a with two log parallel wires (numbered 1 and 2) all in the plane of the paper of The loop . and the wires are carrying the same current I. The current in the loop is in the counterclockwise direction if seen from above

Consider `dgtgta` , and the loop is rotated about its diameter parallel to the wires by `90^@` from the position shown in the figure. If the currents in the wires are in the opposite directions , the torque on the loop at its new position will be (assume that the net field due to the wires is constant over the loop).

A

`(mu_0I^2a^2)/(2d)`

B

`(mu_0I^2a^2)/(d)`

C

`(sqrt(3)mu_0I^2a^2)/(d)`

D

`(sqrt(3)mu_0I^2d^2)/(2d)`

Text Solution

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The correct Answer is:
B
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