Multiple Choice
A wire has resistance R.A second wire has twice the length,twice the diameter,and twice the resistivity of the first wire.What is its resistance?
A) 8R
B) R
C) R/4
D) The resistance is not given.
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q26: A water pump draws about 3.7 A
Q27: Three wires of the same diameter and
Q28: By what factor is the resistance of
Q29: The charge flowing through a light bulb
Q30: A metal wire has a resistance of
Q32: A 7.00-Ω resistor is dissipating 70.0 watts.What
Q33: A high-voltage transmission line of diameter 2
Q34: A lightbulb drawing a current of 0.60
Q35: The number density of conduction electrons in
Q36: Two wires with the same resistance have