A. 250 turn rectangular coil of length 2.1 cm and width 1.25 cm carries a current of 
and subjected to a magnetic field of strength 0.85 T. Work done for rotating the coil by 
against the torque is [NEET 2017]
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Work done for rotating the coil,
where, M = magnetic moment
and B = magnetic field.
Given, 
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