Two Parallel Wires Run in a North-South Direction

question 5

Multiple Choice

Two parallel wires run in a north-south direction. The eastern wire carries 15.0 A southward while the western wire carries 6.0 A northward. If the wires are separated by 30 cm, what is the magnitude of the magnetic field at a point between the wires 10 cm from the western wire?

• A) 3.0 μT
• B) 6.0 μT
• C) 15 μT
• D) 27 μT
• E) 90 μT