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Why Does a Current Carrying, Freely Suspended Solenoid Rest Along a Particular Direction?

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Question

Why does a current carrying, freely suspended solenoid rest along a particular direction?

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Solution

A current-carrying freely suspended solenoid acts as a bar magnet, and thus, due to the Earth’s magnetic field, it rests along a particular direction.

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2014-2015 (March) Science Paper 1

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