Physics · Current Electricity - Temperature Dependence of Resistivity
Which of the following statements is correct regarding the effect of an increase in temperature on electrical resistivity?
- 1The resistivity of a semiconductor increases, whereas the resistivity of a conductor decreases.
- 2The resistivity of a semiconductor decreases, whereas the resistivity of a conductor increases.✓
- 3The resistivity of both semiconductors and conductors decreases.
- 4The resistivity of both semiconductors and conductors increases.
Correct answer
The resistivity of a semiconductor decreases, whereas the resistivity of a conductor increases.
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