1.

The resistance of a wire at room temperature \[30{}^\circ C\]is found to be \[10\Omega .\] Now to be increase the resistance by 10%, the temperature of the wire must be [The temperature coefficient of resistance of the material of the wire is 0.002 per \[{}^\circ C\]]

A. \[36{}^\circ C\]
B. \[83{}^\circ C\]
C. \[63{}^\circ C\]
D. \[33{}^\circ C\]
Answer» C. \[63{}^\circ C\]


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