temperature coefficient

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A coefficient that determines the rate of change of some physical property with change in temperature. For example, the dependence of the resistance (R) of a material on the Celsius temperature t, is given by R = R0 + αt + βt2, where R0 is the resistance at 0°C and α and β are constants. If β is negligible, then α is the temperature coefficient of resistance.

Subjects: Physics.

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