WBJEE 2017 Physics Solved Paper

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Question : 38 of 40

Marks: +1, -0

If χ stands for the magnetic susceptibility of a substance, µ for its magnetic permeability and µ0 for the permeability offree space, then

for a paramagnetic substance : χ > 0, µ > 0
for a paramagnetic substance : χ > 0, µ > µ0
for a diamagnetic substance : χ < 0, µ < 0
for a ferromagnetic substance : χ > 1, µ < µ0

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