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Electromagnetic Induction

If a current ...

Question

If a current carrying coil is close to a magnet and both are moving with the same speed in same direction, what is the effect on induced current ?

A

Induced current increases

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B

Induced current decreases

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C

Induced current flows to oppose motion

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D

Induced current remains equal to zero

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Solution

The correct option is D Induced current remains equal to zero
Magnetic flux maybe flowing through the coil depending on the placement of magnet and coil. However, it doesn't change with time. Hence, no emf is produced.

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