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Question

The working of magnetic braking of trains is based on

A
Steady current
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B
Eddy current
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C
Alternating current
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D
Pulsating current
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Solution

The correct option is B Eddy current
It works the same as a disk eddy current brake, by inducing closed loops of eddy current in the conductive rail, which generate counter magnetic fields which oppose the motion of the train.

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