Two Long Parallel Straight Wires Carry Equal Currents in Opposite

question 10

Multiple Choice

Two long parallel straight wires carry equal currents in opposite directions.At a point midway between the wires, the magnetic field they produce is:

• A)zero
• B)non-zero and along a line connecting the wires
• C)non-zero and parallel to the wires
• D)non-zero and perpendicular to the plane of the two wires
• E)none of the above

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