NCERT 4.2 - Moving Charges and Magnetism
Question: Two long and parallel straight wires A and B carrying currents of 8.0 A and 5.0 A in the same direction are separated by a distance of 4.0 cm. Estimate the force on a 10 cm section of wire A.
Answer: 2.0 × 10⁻⁴ N (Attractive force towards wire B)
Full step-by-step NCERT solution with diagrams on Something by Zero.