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categoryفيزياء schoolبكالوريوس event_available2026-07-13

السؤال

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• Two long, parallel wires are separated by a distance of 0.200m (see the figure below). The currents I1 and I2 have the directions shown. 11 5.00 A 0.2.00 m 12= 4.00 A What is the magnitude of the net magnetic field generated by the wire at a midpoint between the wires? What is the magnitude and the direction of the net magnetic field generated by the wire at a midpoint between the wires? At some instant of time, an electron is moving in the direction parallel to current II in the middle between the wires with velocity v=200000 m/s. What is the magnitude and the direction of the magnetic force on the electron at this instant? Calculate the magnitude of the force exerted by each wire on a 1.50-m length of the other.

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