A particle having mass 
and charge 
is moving in a region as shown in figure. This region contains a uniform magnetic field directed into the plane of the figure, and a uniform electric field directed along positive 
axis. Which of the following statements are correct for moving charge as shown in figure?
A, B and C are correct
is 
A, B, C and D are correct
is zero A and B are correct
B, C and D are correct
Text Solution
Verified by ExpertsA
Considering statement A
By Work-Energy theorem
So statement A is correct
Now considering statement 
Rate of change of work done at 
Power of electric force
So statement B is correct Coming to statement 
At B,
So, 
for both forces
Coming to statement 
.
Change in angular momentum about the origin is
Hence, 
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