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Conductance and Conductivity

The unit of c...

Question

The unit of conductance is _ and that of specific conductance is __.

{o h m}^{- 1}

;

{o h m}^{- 1} {c m}^{2}

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{o h m}^{- 1} {c m}^{2}

;

{o h m}^{- 1} {c m}^{- 1}

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{o h m}^{- 1} {c m}^{- 1}

;

{o h m}^{- 1} {c m}^{2}

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{o h m}^{- 1}

;

{o h m}^{- 1} {c m}^{- 1}

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Solution

The correct option is D ${o h m}^{- 1}$ ; ${o h m}^{- 1} {c m}^{- 1}$
The unit of conductance is ${o h m}^{- 1}$ and that of specific conductance is ${o h m}^{- 1} {c m}^{- 1}$ . Conductance is reciprocal of resistance. Hence, it's unit is ${o h m}^{- 1}$ . In $S I$ system, its unit is Siemens, S. Specific conductance is the conductance of unit cube of material. Its unit is ${o h m}^{- 1} {c m}^{- 1}$ or ${o h m}^{- 1} m^{- 1}$ or $S m^{- 1}$ .

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The unit of conductance is _________ and that of specific conductance is __________.

The unit of conductance is _ and that of specific conductance is __.