Physics · Current Electricity
Which of the following statements correctly describes the effect of a rise in temperature on the electrical resistance of pure metals?
- 1Pure metals have a positive voltage coefficient of resistance.
- 2Pure metals show no change in resistance with temperature.
- 3Pure metals have a negative temperature coefficient of resistance.
- 4Pure metals have a positive temperature coefficient of resistance.✓
Correct answer
Pure metals have a positive temperature coefficient of resistance.
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