Two parallel wires of length 9 m each are separated by a distance of 0.15 m. If they…
Physics · Class 12 · CBSE — Moving Charges and Magnetism
Two parallel wires of length 9 m each are separated by a distance of 0.15 m. If they carry equal currents in the same direction and exert a total force of 30 \(\times\) 10-7 N on each other, then the value of current must be:
- 0.5 amp
- 2.5 amp
- 3.5 amp
- 1.5 amp
Answer
(A) 0.5 amp
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