Published by:
CGP EDU Academic Team
Published on: August 14, 2026
An electron enters a region with perpendicular electric and magnetic fields. It passes through undeflected when the electric field is 
and the magnetic field is 
. After passing through this region, the electric field is removed, and the electron moves in a circular path due to the magnetic field alone. What is the charge-to-mass ratio 
of the electron if the radius of its circular path is 0.455 m ?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
The charge-to-mass ratio is
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