At what temperature will the resistance of a copper wire becomes three – McqOptions

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1.	At what temperature will the resistance of a copper wire becomes three times its value at \[0{}^\circ C\]? (Temperature coefficient of resistance of copper is \[4\times {{10}^{-3}}/{}^\circ C\] )
A.	\[550{}^\circ C\]
B.	\[500{}^\circ C\]
C.	\[450{}^\circ C\]
D.	\[400{}^\circ C\]
Answer» C. \[450{}^\circ C\]

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