Multiple Choice
By what factor is the resistance of a copper wire changed when its temperature is increased from 35°C to 110°C? The temperature coefficient of resistivity for copper = 3.9 × 10−3 (°C) −1.
A) 1.43
B) 1.14
C) 1.29
D) 0.71
E) 3.93
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q31: A wire has resistance R.A second wire
Q66: A wire 1 mm in diameter is
Q73: Ten coulombs of charge start from the
Q75: If a lamp has a resistance of
Q76: An electric toaster requires 900 W at
Q77: A wire carries a steady current of
Q78: The charge flowing through a light bulb
Q79: A high-voltage transmission line carries 2,000 A
Q81: In a certain material there is a
Q82: The size of the electric current in