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Magnetic Effects of Electric Current
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30/07/2021 11:12 am
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Explain why, the core of an electromagnet should be of soft iron and not of steel.
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30/07/2021 11:13 am
Core of an electromagnet should be of soft iron and not of steel because soft iron loses all its magnetism when current in the coil is switched off but steel does not lose its magnetism when the current is stopped.