Nine identical wires, each of diameter d and length L, are connected in series. The combination has the same resistance as a single similar wire of length L but whose diameter is:
A) 3d
B) 9d
C) d/3
D) d/9
E) d/81

Name: Nine identical wires, each of diameter d and length L, are connected in series. The combination has the same resistance as a single similar wire of length L but whose diameter is: A) 3d B) 9d C) d/3 D) d/9 E) d/81
Brand: Quizplus
Rating: 4.9 (30 reviews)

Question

Quizplus · Accepted Answer

The Answer is C

Nine Identical Wires, Each of Diameter D and Length L