A Nichrome Wire Has a Radius of 1

Multiple Choice

A Nichrome wire has a radius of 1.3 mm and a resistivity of 1.5 × 10−⁶ Ω⋅m.If the wire carries a current of 1.8 A,what is the potential difference per unit length along this wire?

A) 0.19 V/m
B) 0.51 V/m
C) 0.66 V/m
D) 6.4 V/m
E) 5 V/m