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A rectangular loop of dimensions (axxb) ...

A rectangular loop of dimensions `(axxb)` carries a current i. A uniform magnetic field `vec(B)=B_(0) hat(i)` exists in space. Then :

A

Torque on the loop is `iabB_(0) sin theta`

B

Torque on the loop is in negative y-direction

C

If allowed to move the loop turn so as to increase `theta`

D

In allowed to move the loop turn so as to decrease `theta`

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ABC
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