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प्रश्न
An electromagnet does not attract a piece of iron.
विकल्प
True
False
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उत्तर
This statement is False.
Explanation:
- The working of an electromagnet is based on the magnetic effect of electric current.
- When current passes through it, an electromagnet behaves as a magnet, attracting a piece of iron.
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संबंधित प्रश्न
Which effect of current can be utilised in detecting a current carrying wire concealed in a wall?
Fill in the following blank with suitable words:
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(b) south pole
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Write the correct option by observing the figures.
In the Activity shown below, how do we think the displacement of rod AB will be affected if
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In the arrangement shown in Figure there are two coils wound on a non-conducting cylindrical rod. Initially the key is not inserted. Then the key is inserted and later removed. Then
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