MCQ
Dimensions of permeability are
- ✓$A^{-2} M^1 L^1 T^{-2}$
- B$M L T^{-2}$
- C$M L^0 T^{-1}$
- D$A^{-1} M L T^2$
✓
Answer
Correct option: A.
$A^{-2} M^1 L^1 T^{-2}$
(a) $F=\frac{\mu_0}{4 \pi} \frac{2 I_1 I_2 l}{r} \Rightarrow \mu_0=[F][A]^{-2}=\left[M LT^{-2} A^{-2}\right]$
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