The temperature coefficient of resistance of a wire is 0.00125° C-1. At 27°C, its resistance is 1Ω. The temperature of the wire at which its resistance becomes 2Ω is:
A. 1400 K
B. 854°C
C. 1127 K
D. 1154 K.
Answer:B
The temperature coefficient of resistance of a wire is 0.00125° C-1. At 27°C, its resistance is 1Ω. The temperature of the wire at which its resistance becomes 2Ω is:
A. 1400 K B. 854°C C. 1127 K D. 1154 K.