Through two parallel wires A and B, 10A and 2A of currents are passed respectively in…
Physics · JEE Main · NTA Exams — Magnetic Effects of Current and Magnetism
Through two parallel wires A and B, 10A and 2A of currents are passed respectively in opposite directions. If the wire A is infinitely long and the length of the wire B is 2m, then force on the conductor B, which is situated at 10 cm distance from A, will be
- 8 × 10–7 N
- 8 × 10–5 N
- 4 × 10–7 N
- 4 × 10–5 N
Answer
(B) 8 × 10 –5 N
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