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The specific conductance of a conductor is given by:

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MPPKVVCL Indore JE Electrical 21 August 2018 Official Paper
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  1. ρ =  Ω-m
  2. σ =  S-m
  3. ρ =  Ω/m
  4. σ =  S/m

Answer (Detailed Solution Below)

Option 4 : σ =  S/m
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Detailed Solution

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Concept

The specific conductance of conductivity is the reciprocal of the resistivity.

The resistance of a conductor is given by:

∵ 

where, σ = Conductivity

ρ = Resistivity

G = Conductance

l = Length of conductor

A = Cross-sectional area of the conductor

The unit of conductivity is given by:

∴ The specific conductance of a conductor is given by σ =  S/m

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