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Strength of electromagnet can be increas...

Strength of electromagnet can be increased by

A

decreasing current in the coil.

B

decreasing number of turns.

C

using core of high permeability.

D

using core of low permeability.

Text Solution

Verified by Experts

The correct Answer is:
C
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TARGET PUBLICATION-MAGNETISM-MCQs
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  10. The magnetic induction at a point on axis or equator is proportional t...

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  12. In order to have a strong electromagnet it must have

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