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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