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Two Long Straight Current-Carrying Parallel Wires Cross the X Axis

Question 1

Multiple Choice

Two long straight current-carrying parallel wires cross the x axis and carry currents I and 3I in the same direction, as shown. At what value of x is the net magnetic field zero? Two long straight current-carrying parallel wires cross the x axis and carry currents I and 3I in the same direction, as shown. At what value of x is the net magnetic field zero? A) 0 B) 1 C) 3 D) 5 E) 7


A) 0
B) 1
C) 3
D) 5
E) 7

Correct Answer:

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