Four Long Parallel Wires Each Carry 2

question 1

Multiple Choice

Four long parallel wires each carry 2.0 A in the same direction. They are parallel to the z-axis, and they pass through the corners of a square of side 4.0 cm positioned in the x-y plane. What magnetic field does one of the wires experience due to the other wires?

• A)1.2 × 10^-6 T
• B)2.1 × 10^-6 T
• C)1.2 × 10^-5 T
• D)2.7 × 10^-5 T
• E)0 T

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