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When a current carrying coil is placed in the magnetic field?

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in Electrical Measurements by (148k points)
When a current carrying coil is placed in the magnetic field?

(a) no force is exerted

(b) voltage is produced

(c) power is generated

(d) a force is exerted

This question was addressed to me during an interview for a job.

Query is from Dynamometer Type Wattmeter in division Measurement of Power and Related Parameters of Electrical Measurements

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Right choice is (d) a force is exerted

The explanation: When the current carrying coil of a Dynamometer type wattmeter is placed in the magnetic field of another current carrying coil, the moving coil experiences a force. As a result a deflection torque is generated and the moving coil undergoes deflection.

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