Published by:
CGP EDU Academic Team
Published on: September 13, 2026
A charged particle of mass 
and charge 
moving under the influence of uniform electric field 
and a uniform magnetic field 
follows a trajectory from point 
to 
as shown in figure. The velocities at 
and 
are respectively, 
and 
. Then which of the following statements ( 
) are the correct? (Trajectory shown is schematic and not to scale)
A
Magnitude of electric field 
B
Rate of work done at point 
is 
is C
Rate of work done by both fields at point 
is zero
is zero D
Change in angular momentum 
. origin is 
. origin is
Text Solution
Verified by ExpertsThe correct answer is:
A
JEE Main 2020
by work energy theorem
Rate of work done at 
power of electric force
at 
, 
for both forces
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