There exists a uniform magnetic are electric field of magnitude 1 T and 
respectively along positive 
-axis. A charged particle of mass 1 kg and of charge 1 C is having velocity 
along x -axis and is at origin at 
. Then the co-ordinates of particle at time 
seconds will be:
Text Solution
Verified by ExpertsD
The particle will move in a non‐uniform helical path with increasing pitch as shown below.
Its time period will be: 
seconds
Changing the view, the particle is seemed to move in a circular path in 
plane as shown below
After 
‐seconds the pa1ticle will be at point ‘ 
’ (after completing half circle), hence 
coordinate of 
will be 
Hence the coordinate 
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