Two wires are made from the same material. One wire has a resistance of 0.10 . The

Question:

Two wires are made from the same material. One wire has a resistance of 0.10 Ω. The other wire is twice as long as the first wire and has a radius that is half as much. What is the resistance of the second wire?
(a) 0.40 Ω
(b) 0.20 Ω
(c) 0.10 Ω
(d) 0.050 Ω
(e) 0.80 Ω