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JEE Main Physics Class 12 Moving Charges and Magnetism Part 1 Questions

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Question : 22

Total: 100

A moving coil galvanometer has a coil with 175 turns and area 1cm2. It uses a torsion band of torsion constant 10− ‌6N−m∕rad. The coil is placed in a magnetic field B parallel to its plane. The coil deflects by 1° for a current of 1mA. The value of B (in Tesla) is approximately:

[9 April 2019, II]

10−4
10−2
10−1
10−3

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