The two wires shown below transmit DC current at a potential of 800 kV. What resistance in the circuit will create a 6.00 N repulsive force on a 20.0 m parallel segment of the wires separated by 0.45 m?

• A. 52.7 Ω
• B. 1.90 kΩ
• C. 50.0 Ω
• D. 19.0 Ω

Answer: (B)