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Two Long Straight Wires Are Parallel and Carry Current in the Same

Question 9

Multiple Choice

Two long straight wires are parallel and carry current in the same direction.The currents are 8.0 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:

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