Physics, asked by ssusj1659, 1 year ago

Give an example of a material for which temperature coefficient of resistivity is(i)positive,(ii)

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Answered by Anonymous

14

A positive coefficient for a materialmeans that its resistance increases with an increase in temperature. Pure metals typically have positive temperature coefficients of resistance. ... Semiconductormaterials (carbon, silicon, germanium) typically have negative temperature coefficients of resistance.

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