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In terms of basic units of mass (M) , le...

In terms of basic units of mass (M) , length (L) , time (T) and charge (Q) ,the dimensions of magnetic permeability of vacuum `(mu_0))` would be

A

B

C

D

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Verified by Experts

The correct Answer is:
B
`E=(KQr)/((R^(2)+r^(2))^(3//2))`
It is maximum at `r=pmR/sqrt(2)` and also E is not a linear function of `r`.
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