Moving Charges and Magnetism

Question: A power line lies along the east-west direction and carries a current of 10 ampere. The force per metre due to the earth's magnetic field of ${10^{ - 4}}\,tesla$ is

1) ${10^{ - 5}}N$

2) ${10^{ - 4}}N$

3) ${10^{ - 3}}N$

4) ${10^{ - 2}}N$

Solution:

Explanation: No Explanation

Force and Torque on a Current Carrying Conductor

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