Q. 54.0( 2 Votes )
As the temperatur
Formula used : Resistivity is given by
Where is the resistivity
σ is the conductivity
When temperature of a conductor is increases, its resistivity will increase and conductivity will decrease.
Ration of resistivity to conductivity is
Conclusion : When the temperature of conductor increases, the ratio of resistivity to conductivity will increase. Option A is correct.
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