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A loop PQR carries a current i = 2A as ...

A loop PQR carries a current `i = 2A` as shown in the figure. A uniform magnetic field B = 2T exists in space parallel to the plane of the loop . The magnetic torque on the loop is

A

(a)16Nm

B

(b)8 Nm

C

(c)zero

D

(d)4 Nm

Text Solution

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The correct Answer is:
B
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