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Resistance of a wire at temperature t^(@)C is R=R_(0)(1+at+bt^(2)) Here, R_(0) is the temperature at 0^(@)C. Find the temperature coefficient of resistance at temperature t is |
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Answer» SOLUTION :`alpha=(1)/(R ).(dR)/(DT)=(1)/(R_(0)(1+at+bt^(2)))[R_(0)(a+2bt)]` `THEREFORE alpha=((a+2bt)/(1+at+bt^(2)))` |
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