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Question
Explain why the electrical conductivity of a metal decreases as the temperature is raised, but the opposite occurs with semiconductors.
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Similar Questions
Q1
Electrical conductivity of metals decreases with rise in temperature whereas in semiconductors it increases with rise in temperature. Explain
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Q2
why does conductivity of semiconductors increases while that of metal decreases
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Why does the electrical conductivity of semiconductors increase with rise in temperature?
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Conductivity of metal decreases with temperature while conductivity of electrolytic conductors increases with temperature. Why ?
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Q5
Assertion: Electrical conductivity of semiconductors decreases with increasing temperature. Reason: With increase in temperature, large number of electrons from the valence band can jump to the conduction band.