The temperature deficient of resistance of a wire is 0.00125 per°C At 20°C, its resistance is 1Ω. The resistance of the wire will be 2Ω at
A. 800°C
B. 700°C
C. 850°C
D. 820°C
Answer:D
The temperature deficient of resistance of a wire is 0.00125 per°C At 20°C, its resistance is 1Ω. The resistance of the wire will be 2Ω at
A. 800°C B. 700°C C. 850°C D. 820°C