Two Parallel Wires Are Each Carrying 10 a and Are

question 22

Multiple Choice

Two parallel wires are each carrying 10 A and are separated by 4.0 m. If the currents are in opposite directions, what is the magnitude of the magnetic field halfway between them?

• A) 0.0
• B) 1.0 μT
• C) 2.0 μT
• D) 4.0 μT
• E) 1.4 μT