Q.

Find the correct combination regarding relative permeability and magnetic susceptibility of a paramagnetic substance.

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a

μr > 1, χ < 0

b

μr < 1, χ > 0

c

μr < 1, χ < 0

d

μr > 1, χ > 0

answer is D.

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Detailed Solution

The correct combination for paramagnetic substances is given as follows:μr > 1, χ > 0Paramagnetic materials have a small and positive value of magnetic susceptibility (χ). The relative permeability (μr) of paramagnetic materials is just greater than 1.
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