How the concept of temperature coefficient of resistance of a substance helps in manufacturing standard resistor?
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A positive coefficient for a material means that its resistance increases with an increase in temperature. Pure metals typically have positive temperature coefficients of resistance. ... A negative coefficient for a material means that its resistance decreases with an increase in temperature.
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A positive coefficient for a material means that its resistance increases with an increase in temperature. Pure metals typically have positive temperature coefficients of resistance. ... A negative coefficient for a material means that its resistance decreases with an increase in temperature.
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