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प्रश्न
Name two factors on which the strength of magnetic field of an electromagnet depends ?
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उत्तर
The magnetic field of an electromagnet (I or U-shaped) can be increased by the following two ways :
- By increasing the number of turns of winding in the solenoid.
- By increasing the current through the solenoid.
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संबंधित प्रश्न
Write true or false for a given statement.
An electromagnet with soft iron core is a temporary magnet.
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The strength of the magnetic field of an electromagnet is increased by inserting a core of soft ______
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