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JEE Main Physics Class 12 Magnetism and Matter Questions

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Question : 42

Total: 80

A paramagnetic sample shows a net magnetisation of 6 A/m when it is placed in an external magnetic field of 0.4 T at a temperature of 4 K. When the sample is placed in an external magnetic field of 0.3 T at a temperature of 24 K, then the magnetisation will be :

[Sep. 04, 2020 (II)]

1 A/m
4 A/m
2.25 A/m
0.75 A/m

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