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Grade 11Magnetism

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?
  1. Velocity of electron
  2. its magnitude and momentum
  3. force on it
  4. its kinetic energy
P.S (Multiple answers are acceptible)

Profile image of Lakshmi Warrier
8 Years agoGrade 11
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1 Answer

Profile image of Arun
8 Years ago
Velocity and force change due to change in direction
but magnitude of PE and KE of electron remains constant.
Speed is constant.
Hence option 2 and 3 are correct