Physics

Problem

A platinum resistance thermometer reads

R_0 = 10.0\,\Omega

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

. The temperature coefficient of resistivity for platinum is

\alpha = 3.9\times10^{-3}\,{}^{\circ}\!\text{C}^{-1}

. Calculate the resistance of the thermometer when its temperature is

100\,^{\circ}\!\text{C}