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Byju's Answer
Standard VII
Physics
Electromagnets
A coil of wir...
Question
A coil of wire wound around a soft iron bar is called an electromagnet. When does an electromagnet act like a magnet?
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Solution
An electromagnet acts like a magnet only when a current is passed through the coil wound around the soft iron bar.
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An electromagnet is a temporary magnet made by winding a coil of wire around a piece of soft iron.
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