A magnetic field 
exists within a sphere of radius 
where 
is the time period of one revolution of a charged particle starting its motion from origin and moving with a velocity 
Find the number of tums that the particle will take to come out of the magnetic field:
Text Solution
Verified by ExpertsThe correct answer is:
D
will contribute to circular motion. 
will contribute to helical path.
Pitch, 
Number of turns 
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