A Copper Cable Needs to Carry a Current of 160

Multiple Choice

A copper cable needs to carry a current of 160 A with a power loss of only 2.0 W/m.What is the required radius of the copper cable? (The resistivity of copper is 1.7 × 10−⁸ Ω⋅m) .

A) 0.43 cm
B) 0.83 cm
C) 1.7 cm
D) 2.6 cm
E) 0.33 cm