Two Long Parallel Wires Carry Currents of 20 a and 5.0

question 73

Multiple Choice

Two long parallel wires carry currents of 20 A and 5.0 A in opposite directions. The wires are separated by 0.20 m. At what point between the two wires are the contributions from the two wires the same?

• A) 0.040 m from the 20 A wire
• B) 0.080 m from the 20 A wire
• C) 0.12 m from the 20 A wire
• D) 0.16 m from the 20 A wire
• E) 0.18 m from the 20 A wire

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