Conductance and Conductivity

Chapter-3|Current Electricity| NCERT 12th Physics:

Conductance and Conductivity:

Conductance:

It is defined as the reciprocal of resistance of a conductor. It is expressed as

 

Conductivity:

It is defined as the reciprocal of resistivity of a conductor.

 

Relation Between Current Density, Conductivity and Electric Field:

 

 

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