A 020-M-Long Metal Rod Has a Radius of 1

Multiple Choice

A 0.20-m-long metal rod has a radius of 1.0 cm and a resistance of 3.2 x 10^-5 W.What is the resistivity of the metal?

A) 1.6 x 10^-8 W*m
B) 5.0 x 10^-8 W*m
C) 16 x 10^-8 W*m
D) 160 x 10^-8 W*m