A Wire with a Length of 150 M and a Radius

Multiple Choice

A wire with a length of 150 m and a radius of 0.15 m carries a current with a uniform current density of 2.8 *10⁷ A/m². The current is:

A) 0.63 A²
B) 2.0 A
C) 5.9 A²
D) 296 A
E) 400 A²