Multiple Choice
Two long parallel wires 40 cm apart are carrying currents of 10 A and 30 A in the opposite direction. What is the magnitude of the magnetic field halfway between the wires?
A) 3.0 * 10-5 T
B) 2.0 * 10-5 T
C) 1.0 * 10-5 T
D) 4.0 *10-5 T
Correct Answer:
Verified
Correct Answer:
Verified
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