The Length of a Certain Wire Is Doubled While Its $1 / 2$

Multiple Choice

The length of a certain wire is doubled while its radius is kept constant. What is the new resistance of this wire?

A) It is 3 times as large.
B) It is 2 times as large.
C) It stays the same.
D) It is $1 / 2$ as large.
E) It is 4 times as large.