Most Telephone Cables Are Made of Copper Wire of Either

Multiple Choice

Most telephone cables are made of copper wire of either 24 or 26 gauge. If the resistance of 24-gauge wire is 137 Ω/mile and the resistance of 26-gauge wire is 220 Ω/mile, what is the ratio of the diameter of 24-gauge wire to that of 26-gauge wire?

A) 1.6
B) 1.3
C) 0.62
D) 0.79
E) 0.88