Multiple Choice
By what factor is the resistance of a copper wire changed when its temperature is increased from 30.0°C to 115°C? The temperature coefficient of resistivity for copper = 3.9 × 10−3 (°C) −1.
A) 1.45
B) 1.12
C) 1.33
D) 0.669
E) 4.32
Correct Answer:
Verified
Correct Answer:
Verified
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