Two parallel wires carry currents of 20 A and 40 A in opposite directions. Another wire…
Physics · JEE Main · NTA Exams — Magnetic Effects of Current and Magnetism
Two parallel wires carry currents of 20 A and 40 A in opposite directions. Another wire carrying current of 20 A and anti-parallel to 20A is placed midway between the two wires. The magnetic force on this wire will be
- towards 20 A
- towards 40 A
- perpendicular to plane of wires
- zero
Answer
(B) towards 40 A
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