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  • Temperature dependence of resistivity ρ(T) of semiconductors, insulators and metals is significantly based on the following factors: A. number of charge carriers can change with temperature T.

Temperature dependence of resistivity \rho (T) of semiconductors, insulators and metals is significantly based on the following factors:
A. number of charge carriers can change with temperature T.
B. time interval between two successive collisions can depend on T.
C. length of material can be a function of T.
D. mass of carriers is a function of T.

 

Answers (1)

The correct answers are the options (a,b)

Explanation: Resistivity is a function of relaxation time(\tau ) and mass of charge carrier (m). Mass of charge carrier is independent of temperature, whereas length also does not fluctuate significantly over a temperature range.

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