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Questions  >>  CBSE XII  >>  Physics  >>  Current Electricity
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A silver wire has a resistance of $2.1 \Omega$ at $27.5^{\circ}C$ and a resistance of $2.7\Omega$ at $100^{\circ}$. Determine the temperature coefficient of resistivity of silver.

$\begin{array}{1 1} 0.0039^{\circ}C^{-1} \\ 0.0039^{\circ}C^{-1}\\ 0.59^{\circ}C^{-1} \\ 0.0639^{\circ}C^{-1} \end{array} $

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