Two Long Parallel Wires 79

question 49

Multiple Choice

Two long parallel wires 79.4 cm apart are carrying currents of 12.6 A and 28.1 A in the opposite direction.What is the magnitude of the magnetic field halfway between the wires?

• A)7.81E-6 T
• B)6.35E-6 T
• C)2.05E-5 T
• D)1.42E-5 T
• E)1.03E-5 T

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