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Question

Substances which are repelled by the external magnetic field are called:


A
diamagnetic
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B
paramagnetic
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C
ferromagnetic
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D
antiferromagnetic
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Solution

The correct option is A diamagnetic

Diamagnets repel and are repelled by a strong magnetic field. The electrons in a diamagnetic material rearrange their orbits slightly creating small persistent currents which oppose the external magnetic field. Two of the strongest diamagnetic materials are graphite and bismuth.

Hence, the correct option is A


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