A cylindrical bar magnet is kept along the axis of a circular coil. On rotating the magnet about its axis, the coil will have induced in it

a current

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no current

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only an e.m.f.

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both an e.m.f. and a current

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Solution

The correct option is B no current
When the magnet is rotated about its axis, the lines of force remain same and the flux through the coil doesn't change. Thus, there is no current induced in the coil.

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A cylindrical bar magnet is kept along the axis of a circular coil. On rotating the magnet about its axis, the coil will have induced in it

The correct option is B no currentWhen the magnet is rotated about its axis, the lines of force remain same and the flux through the coil doesn't change. Thus, there is no current induced in the coil.

The correct option is B no current
When the magnet is rotated about its axis, the lines of force remain same and the flux through the coil doesn't change. Thus, there is no current induced in the coil.