Consider Two Copper Wires of Equal Cross-Sectional Area

Multiple Choice

Consider two copper wires of equal cross-sectional area. One wire has 3 times the length of the other. How do the resistances of these two wires compare?

A) The longer wire has 3 times the resistance of the shorter wire.
B) The longer wire has 9 times times the resistance of the shorter wire.
C) The longer wire has 27 times times the resistance of the shorter wire.
D) Both wires have the same resistance.
E) The longer wire has 1/3 the resistance of the shorter wire.