Dimensions of

Question:

Dimensions of $\frac{1}{\mu_{0} \in_{0}}$, where symbols have their usual meaning, are-

  1. $\left[\mathrm{L}^{-1} \mathrm{~T}\right]$

  2. $\left[\mathrm{L}^{2} \mathrm{~T}^{2}\right]$

  3. $\left[\mathrm{L}^{2} \mathrm{~T}^{-2}\right]$

  4. $\left[\mathrm{LT}^{-1}\right]$

Correct Option: , 3

Solution:

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