Physics, asked by RohanAP1211, 1 year ago

Substance example whose temperature coefficient of resistivity is positive

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Answered by vivekyadavima21952
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In a material where the resistanceINCREASES with an increase intemperature, the material is said to have a POSITIVE TEMPERATURE COEFFICIENT. ... In general, conductors have a POSITIVE temperature coefficient, whilst (at hightemperatures) insulators have a NEGATIVE temperature coefficient.
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