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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.
In an electromagnet, the core is made up of copper.
Fill in the blank
An electromagnet is used to separate large mass of ______ scrap.
Fill in the blank
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Select the correct alternative
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