Physics
Do you think the strength of the magnet will get affected if you travel with it to a hotter city? Why?
Magnetism
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Answer
Yes, the strength of a magnet can be affected in a hotter city. When a magnet is heated, its molecules start moving faster. This disturbs their proper arrangement, due to which the magnet becomes weaker.
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(a) …………… magnets are weak and …………… magnets are strong.
(b) …………… is a true test for magnetism.
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