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  • What happens to the conductivity of metal when temprature is increased ? Option: 1 It decreases <stro

What happens to the conductivity of metal when temprature is increased ? 

Option: 1

It decreases 


Option: 2

Remains constant 


Option: 3

It increases 


Option: 4

None of these 


Answers (1)

best_answer

As we have learned

Effect of temperature on conductivity -

The conductivity of the metal decreases with the rise in temperature.This is because with the rise in temperature the positively charged kernels also, start vibrating which interfere with the movement of electrons. 

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 As the temprature increases the molecular vibration also increases which obstruct the flow of free electrons , thus conductance decreases 

 

Posted by

Gaurav

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