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• Topic:

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The dimensions of electric potential are

(1) $\left[M{L}^{2}{T}^{-2}{Q}^{-1}\right]$

(2) $\left[ML{T}^{-2}{Q}^{-1}\right]$

(3) $\left[M{L}^{2}{T}^{-1}Q\right]$

(4) $\left[M{L}^{2}{T}^{-2}Q\right]$