Published by:
CGP EDU Academic Team
Published on: September 12, 2026
An electron with kinetic energy 
enters a region of uniform magnetic field of 
perpendicular to its direction. An electric field 
is applied perpendicular to the direction of velocity and magnetic field. The value of 
, so that electron moves along the same path, is_____ 
. ( Given, mass of electron 
, electric charge 
)
Text Solution
Verified by ExpertsThe correct answer is:
4
(4)
For the given condition of moving undeflected, net force should be zero.
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