1.

Let [in_0] denote the permittivity of vaccum. If M = mass, L = length, T = time and A = electric current, then :

Answer»

`[in_0]= M^(-1) L^(-3) T^2 A`
`[in_0] = M^(-1) L^(-3) T^4 A^2`
`[in_0] = MLT^(-2) A(-2)`
`[in_0] = ML^2 T^(-1)A`

Answer :B


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