b. i. What is the velocity of a beam of electrons that produces no deflection when simultaneously subjecied to an electric field of 3.0 x 10°m'. And a magnetic field of 2.5 x 102T; both fields being mutually perpendicular and each normal to the beam?
ii.What is the radius of the orbit when the electric field is removed?
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Asked by Ehi on 15th November, 2022
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