1.

Let in_(0) denote the dimensional formula of the permittivity of vacuum. If M = mass L = length, T = time and A = electric current, then

Answer»

`in_(0) = M^(-1) L^(2) T^(-1)`A
`in_(0) = M^(-1) L^(-3) T^(2) `A
`in_(0) = M^(-1) L^(-3) T^(4) A^(2)`
`in_(0) = M^(-1) L^(2) T^(-1) A^(-2)`

ANSWER :C


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