Moving Charges and Magnetism

Question: The coil of a galvanometer consists of 100 turns and effective area of 1 square cm. The restoring couple is ${10^{ - 8}}\,N - m/radian$. The magnetic field between the pole pieces is 5 T. The current sensitivity of this galvanometer will be

1) $5 \times {10^4}\,rad/\mu \,amp$

2) $5 \times {10^{ - 6}}\,per\,amp$

3) $2 \times {10^{ - 7}}\,per\,amp$

4) $5\,rad/\mu \,amp$

Solution:

Explanation: No Explanation

Force and Torque on a Current Carrying Conductor

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