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The temperature coefficient of resistance of conductor varies as $α (T) = 3 T^{2} + 2 T$ .If $R_{0}$ is resistance at T = 0 and R is resistance at T, then

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R = R06T+2

R = 2Ro3+2T

R=R01 + T2+ T3

R = R0(1 - T + T2 + 2)

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detailed solution

Correct option is C

α(T)=1R0dRdT⇒(3T2+2T)=1R0dRdT⇒∫R0RdR=R03∫0TT2dT+2∫0TTdT⇒ R = R01 + T2+ T3

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The temperature coefficient of resistance of conductor varies as αT = 3T2+ 2T.If R0 is resistance at T = 0 and R is resistance at T, then

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Ready to Test Your Skills?

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The temperature coefficient of resistance of conductor varies as $α (T) = 3 T^{2} + 2 T$ .If $R_{0}$ is resistance at T = 0 and R is resistance at T, then