The unit and dimensions of impedance in terms of charge Q are

m h o, [M L^{2} T^{- 2} Q^{- 2}]

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o h m, [M L^{2} T^{- 1} Q^{- 2}]

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o h m, [M L^{2} T^{- 2} Q^{- 1}]

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o h m, [M L T^{- 1} Q^{- 1}]

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Solution

The correct option is A $o h m, [M L^{2} T^{- 1} Q^{- 2}]$
Unit of impedance is $o h m$ and
Dimension of Impedance $= \frac{V}{I} = \frac{W}{Q I} = \frac{M L^{2} T^{- 2}}{Q Q T^{- 1}}$ $= [M L^{2} T^{- 1} Q^{- 2}]$

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