Multiple Choice
Two long straight parallel wires separated by a distance of 20 cm carry currents of 30 A and 40 A in opposite directions. What is the magnitude of the resulting magnetic field at a point that is 15 cm from the wire carrying the 30-A current and 25 cm from the other wire?
A) 51 μT
B) 33 μT
C) 72 μT
D) 64 μT
E) 46 μT
Correct Answer:
Verified
Correct Answer:
Verified
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