MCQ
Magnetic permeability is maximum for
- ADiamagnetic substance
- BParamagnetic substance
- ✓Ferromagnetic substance
- DAll of these
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Choose the correct option as one moves from $P$ to $Q$ :
$\left[{m}_{{p}}=1.67 \times 10^{-27} {kg}, {e}=1.6 \times 10^{-19} {C},\right.$ Speed of light $\left.=3 \times 10^{8} {m} / {s}\right]$
