Why does the resistance of pure metal increases with rise in temperature?
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A positive coefficient for a material means that its resistance increases with an increase in temperature. Pure metalstypically have positive temperaturecoefficients of resistance. ... Semiconductor materials (carbon, silicon, germanium) typically have negative temperature coefficients of resistance.
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A positive coefficient for a material means that its resistance increases with an increase in temperature. Pure metalstypically have positive temperaturecoefficients of resistance. ... Semiconductor materials (carbon, silicon, germanium) typically have negative temperature coefficients of resistance.
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