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Current Loop Is a Magnet?

When a wire l...

Question

When a wire loop is rotated in a magnetic field, the direction of induced emf changes once in each

A

12 revolution

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B

1 revolution

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C

1/2 revolution

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D

2 revolutions

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Solution

The correct option is C
1/2 revolution

Direction of induced emf changes after a rotation of 180^0.

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