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Question
Two very long straight parallel wires carry currents of same magnitude and in the same direction. 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 →v is perpendicular to this plane. The magnitude of the force due to magnetic field acting on the charge at this instant is
Two very long straight parallel wires carry currents of same magnitude and in the same direction. 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 →v is perpendicular to this plane. The magnitude of the force due to magnetic field acting on the charge at this instant is
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Solution
The correct option is D Zero
Since both wires carry currents in same direction, B at midpoint of the two wires is zero and hence no net magnetic force is exerted on the charge q.
Zero
Since both wires carry currents in same direction, B at midpoint of the two wires is zero and hence no net magnetic force is exerted on the charge q.