The resistance of a thin silver wire is at

PHYSICS · Subjective · A Level · Physics · Electricity · Electricity

Problem

The resistance of a thin silver wire is

1.0\,\Omega

20\,{}^\circ\text{C}

. The wire is placed in a liquid bath and its resistance rises to

1.2\,\Omega

. What is the temperature of the bath? The temperature coefficient of resistance of silver is

\alpha=3.8\times10^{-3}\,{}^\circ\text{C}^{-1}