Answer to Question #228255 in Physics for Porco

Question

A coil of wire has a resistance of 10 Ω at 0°C. If the temperature coefficient of resistance for the wire is 0.004/°C, its resistance at 100°C is

Answer 1

$R_t=R_0(1+\alpha t)=10\cdot(1+0.004\cdot100)=14\ (\Omega)$ . Answer