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Magnetic Flux and Faraday's Law

A horizontal ...

Question

A horizontal straight conductor when placed along south-north direction falls under gravity; there is

A

an induced current from south-to-north direction

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B

an induced emf current from north-to-south direction

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C

no induced emf along the length of the conductor

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D

an induced emf along the length of the conductor

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Solution

The correct option is C no induced emf along the length of the conductor
The earth's magnetic field lines are along the north south direction which is parallel to the length of the moving rod.
Therefore, no emf is induced along the length in the rod.

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