Moving Charges and Magnetism: NEET 2021

Medium· Magnetic Field due to Various Current Carrying Conductors (Magnetic Field Surrounding a Thin Straight Current Carrying Conductor)· +4 / −1
An infinitely long straight conductor carries a current of 5 A5\ \mathrm{A} as shown. An electron is moving with a speed of 105 m/s10^{5}\ \mathrm{m/s} parallel to the conductor. The perpendicular distance between the electron and the conductor is 20 cm20\ \mathrm{cm} at an instant. Calculate the magnitude of the force experienced by the electron at that instant. Figure: a long straight wire PQ carries current 5 A5\ \mathrm{A} from P to Q. The electron, at a perpendicular distance of 20 cm20\ \mathrm{cm} from the wire, moves with velocity 105 m/s10^{5}\ \mathrm{m/s} in the same direction as the current (parallel to the wire). Question diagram
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