Question

The resistivity of gold at room temperature is 2.35 × 10-8 Ω×m. The temperature coefficient a = 3.98 × 10-3/K. What will be the resistivity of a piece of gold whose temperature is 150°C above room temperature?
4.55 × 10-8 Ω×m
2.35 × 10-8 Ω×m
0.95 × 10-9 Ω×m
2.35 × 10-6 Ω×m
3.75 × 10-8 Ω×m