Question

The electrical conductivity of metals Dec with rise in temp while that off semiconductor Inc explain

Answer 1

$\textbf{Hello Mate}$


$\textbf{Your Answer}$>>>


$\textbf{In Case Of Metal}$>>>>


With increase in temperature, the kernels start vibrating and therefore, they offer resistance to the flow of electrons.Hence, conductivity of metals decreases with increase in temperature.


$\textbf{In Case Of Semiconductor}$>>>


In semiconductors, the conductivity is due to the presence of impurities and defects. As a number of defects ( such as holes ) increases with rise in temperature the conductivity increases.

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