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The magnetic field lines are completely expelled from a material when ($\chi$ is the susceptibility and $\mu_{r}$ is relative permeability) |
$\chi=1$ and $\mu_{r}=1$ $\chi=-1$ and $\mu_{r}=0$ $\chi \leq 1$ and $\mu_r << 1$ $\chi \geq 1$ and $\mu_{r} >> 1$ |
$\chi=-1$ and $\mu_{r}=0$ |
The correct answer is Option (2) → $\chi=-1$ and $\mu_{r}=0$ |
