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Explain Why, an Electromagnet is Called a Temporary Magnet. - Science

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Question

 Explain why, an electromagnet is called a temporary magnet.

Solution

 An electromagnet is called a temporary magnet because its magnetism stays only for the duration of current passing through it. All the magnetism disappears as soon as the current is switched off. 

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Chapter 2: Magnetic Effects of Electric Current - Exercise 2 [Page 82]

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Lakhmir Singh Physics (Science) [English] Class 10
Chapter 2 Magnetic Effects of Electric Current
Exercise 2 | Q 23.2 | Page 82

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