Multiple Choice
Two long straight wires are parallel and carry current in opposite directions.The currents are 8.0 A and 12 A and the wires are separated by 0.40 cm.The magnetic field at a point midway between the wires is:
A) 0 T
B) 4.0 * 10-4 T
C) 8.0 *10-4 T
D) 12 * 10-4 T
E) 20 *10-4 T
Correct Answer:

Verified
Correct Answer:
Verified
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