If $I$ is regarded as the fourth dimension, then the dimensional formula of charge in terms of current $I$ is

[I T^{2}]

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[I^{0} T^{0}]

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[I^{- 1} T^{0}]

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[I T]

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Solution

The correct option is C $[I T]$
An electric current is defined as a rate of flow of electric charge q.
So, $I = \frac{q}{t}$ or $[q] = [I T]$

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