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The relative permeability of a substance...

The relative permeability of a substance X is slightly less than unity and that of substance Y is slightly more than unity then –

A

X is paramagnetic and Y is ferromagnetic

B

X is diamagnetic and Y is ferromagnetic

C

X and Y both are paramagnetic .

D

X is diamagnetic and Y is paramagnetic

Text Solution

Verified by Experts

The correct Answer is:
B
As , `mu lt 1 ` for substance X , it must be diamagnetic and ` mu_(r) gt 1 ` for substance Y , it is must be paramagntic .
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