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Magnetic Susceptibility

Magnetisation...

Question

Magnetisation (M) of a material depends on magnetising field (H) according to following graph. If same variation is studied at higher temperature then slope of the graph will :

A

Remain same

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B

increases

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C

Decreases

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D

may increase or decrease

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Solution

The correct option is A Remain same
Temperature affects magnetism by either strengthening or weakening a magnet's attractive force. But at any temperature the relation between magnetism and magnetising field will be same. So at higher temperature, slope of the graph will be same.

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