Electromagets are used in ______.

speakers

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metal detectors

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hard drives

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food industry

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Solution

The correct options are
A speakers
B metal detectors
C hard drives
D food industry
A current carrying conductor can behave like a magnet. It is called an electromagnet. Electromagnets are temporary magnets. Speakers, metal detectors and hard drives work on the principle of electromagnets. Also, it is used in food industry for seperating small metallic particles.

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Similar questions

(a) How does an electromagnet differ from a permanent magnet ?

(b) Name two devices in which electromagnets are used and two devices where permanent magnets are used.

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