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Two very long straight parallel wires ca...

Two very long straight parallel wires carry steady currents `i` and `2i` in opposite directions. The distance between the wires is `d`. At a certain instant of time a point charge `q` is at a point equidistant from the two wires in the plane of the wires. Its instantaneous velocity `vecv` is perpendicular to this plane. The magnitude of the force due to the magnetic field acting on t he charge at this instant is

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Two very long, straight, parallel wires carry steady currents I and -I respectively.The distance between the wires is d .At a certain instant of time, a point charge q is at a point equidistant from the two wires,in the plane of wires.Its instantaneous velocity vecv is perpendicular to this plane.The magnitude of the force due to the magnetic field acting on the charge at this instant is:

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