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[15]
Is it true that an electromagnet is used in electric cells?

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a

True

b

False

answer is B.

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Detailed Solution

The above statement is false.
An electromagnet is not used in electric cells because an electrical cell is a device in which
a chemical stored inside is used to produce electricity.
But an electromagnet is a magnet that works on electricity. Unlike a permanent magnet, an electromagnet's strength may vary by the amount of electric current flowing through it. If the current flow is interrupted, the magnetic property is lost. Hence in the electric cell, there is no role for an electromagnet.
Therefore the correct statement would be that an electromagnet is not used in electric cells.

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