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An electron moving with uniform velocities in x-direction enters a region of uniform magnetic field along y direction. Which of the folloeing physical quantities are non-zero and remain constant? Velocity of electron its magnitude and momentum force on it its kinetic energy P.S ( Multiple answers are acceptible) An electron moving with uniform velocities in x-direction enters a region of uniform magnetic field along y direction. Which of the folloeing physical quantities are non-zero and remain constant? Velocity of electron its magnitude and momentum force on it its kinetic energyP.S (Multiple answers are acceptible)
Velocity and force change due to change in directionbut magnitude of PE and KE of electron remains constant.Speed is constant.Hence option 2 and 3 are correct
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