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JEE Main20252 Apr 2025Morning ShiftPhysicsMagnetic Properties of MatterActual

The relationship between the magnetic susceptibility ( ) and the magnetic permeability ( ) is given by : ( ₀ is the permeability of free space and _ r is relative permeability)

Options

  1. A= ₀ -1
  2. B= _ r ₀ +1
  3. C= _ r +1
  4. D=1- ₀

Correct answer

A. = ₀ -1

Step-by-step solution

We have aligned & _ r =(1+ ) = ( _ r -1 ) & = ₀ _ r _ r = ₀ & = ( ₀ -1 ) aligned

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