The temperature coefficient of resistance is generally defined as the change in electrical resistance of a substance with respect to per degree change in temperature.
the temperature coefficient of resistivity as define in increase in resistance per unit original resistance at the choosen reference temperature per degree rise in temperature. for small in temperature .a=1R0dRdT.ii si unit:°c(per degree Celsius or k (per Kelvin )
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The temperature coefficient of resistance is generally defined as the change in electrical resistance of a substance with respect to per degree change in temperature.
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