electromagnets attracts a piece of iron
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Answer:
with a solenoid...we can magnetise a piece of soft iron which is nothing but an electromagnet
Explanation:
electromagnet is a coil of wire with an electric current flowing through it.
When the wire is coiled around in a cylinder, we call this a solenoid. The solenoid becomes an electromagnet when a current flows through it when we have a piece like soft iron
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