Questions
Select the correct option.
a
Coercivity of soft iron is greater than that of steel
b
Retentivity of soft iron is smaller than that of steel
c
When piece of diamagnetic material is placed in a non uniform magnetic field, it has a tendency to move towards a region of stronger magnetic field.
d
With the rise in temperature, susceptibility of diamagnetic material remains unchanged.
detailed solution
Correct option is D
Susceptibility of diamagnetic material is independent of temperature and it also has a negative value. The variation of susceptibility (χ) with temperature is as shown in the diagram.Talk to our academic expert!
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Diamagnetic substances are
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