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If X stands for the magnetic susceptibil...

If X stands for the magnetic susceptibility of a substance, `mu` for its magnetic permeability and `mu_(0)` For the permeability of free space, then

A

for a paramagnetic substance : `xgt0,mugt0`

B

for a paramagnetic substance : `xgt0,mugtmu_(0)`

C

for a diamagnetic substance : `xgt0,mult0`

D

for a ferragnetic substance : `xgt1,mugtmu_(0)`

Text Solution

Verified by Experts

The correct Answer is:
B, D
For both paramagnetic and ferromagnetic substances , `mugtmu_(0)` . But for paramagnetic substance `xgt0` and for ferromagnetic substance `xgt1` .
Note : If `0ltmultmu_(0)` , the substance is not paramagnetic .
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Statement I: The quantity (1)/(sqrt(mu_(0)in_(0))) is dimensionally equal to velocity and also numerically equal to the velocity of light. Statement II: mu_(0) is the permeability and in_(0) is the permittivity of free space.