Flash Education

Question

The strength of an electromagnet can be increased by:
(a) reversing the directions of current
(b) using alternating current of high frequency
(c) increasing the current in the coil
(d) decreasing the number of turns of coil

Category: Magnetism ICSE Class 9

April 3, 2024

Answer

(c) increasing the current in the coil

Reason — The strength of electromagnet can be increased by increasing the current in the coil.

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