Magnetism of an electromagnet only lasts till the current is passed through it.
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An electromagnet is a temporary magnet because its magnetism is only for the duration of current flowing in its coil. (1) The magnetism of an electromagnet can be switched on or switched off as desired. This is not possible with a permanent magnet. (b) by increasing the current passing through the coil.
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an Electromagnet is a temporary magnet because its magnetism is only for the duration of front following in its cal the magnetism of an Electromagnet can be switched on or switched off as desired this is not possible with the permanent magnet by increasing the current passing through the coil
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