4.7 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.
4.7 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.
4.7 Current flowing in wire A, = 8.0 A
Current flowing in wire B, = 5.0 A
Distance between two wires, r = 4.0 cm = 0.04 m
Length of the section of the wire A, L = 10 cm = 0.1 m
Force exerted on length L due to magnetic field is given as:
F = , where = permeability of free space = 4 Tm
F = =
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Physics Ncert Solutions Class 12th 2023
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