The given figure shows an electromagnet

Suggest ways by which the strength of the electromagnet may be increased.

Increase the strength of current flowing through the coil and decrease the number of turns of the coil

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Increase the strength of current flowing through the coil and increase the number of turns of the coil

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Decrease the strength of current flowing through the coil and decrease the number of turns of the coil

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Increase the resistance of the rheostat and increase the number of turns of the coil

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Solution

The correct option is B
Increase the strength of current flowing through the coil and increase the number of turns of the coil

The magnetic field of an electromagnet can be made stronger by increasing the:

Suggest Corrections

Similar questions

The strength of the electromagnet can be increased by

(a) reversing the directions of current

(b) using an alternating current of high frequency

(d) decreasing the number of turns of coil.

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