A Wire Is 1 M Long and 1 *10^-6 M² $\Omega$

Multiple Choice

A wire is 1 m long and 1 *10^-6 m² in cross-sectional area.When connected to a potential difference of 2 V, a current of 4 A exists in the wire.The resistivity of this wire is:

A) 2 * 10^-6 $\Omega$ .m
B) 8* 10^-6 $\Omega$ . m
C) 1 * 10^-7 $\Omega$ .m
D) 4 *10^-7 $\Omega$ .m
E) 5 * 10^-7 $\Omega$ m