A⁵⁰⁻turn rectangular coil of length 2.1 cm and width 1.25 cm carries a current of 85 μA and subjected to magnetic field of strength 0.85 T. Work done for rotating the coil by 180° against the torque is
A
9.1 μJ
B
4.55 μJ
C
2.3 μJ
D
1.15 μJ

Question

A⁵⁰⁻turn rectangular coil of length 2.1 cm and width 1.25 cm carries a current of 85 μA and subjected to magnetic field of strength 0.85 T. Work done for rotating the coil by 180° against the torque is

A

9.1 μJ

B

4.55 μJ

C

2.3 μJ

D

1.15 μJ

Accepted Answer

4.55 μJ

Answer

9.1 μJ

Answer

2.3 μJ

Answer

1.15 μJ

NEET 2017 Physics Torque on a Current Loop MCQ Question

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