A particle having the same charge as of electron moves in a circular path of radius
under the influence of a magnetic field of
. If an electric field of
makes it to move in a straight path then the mass of the particle is (Given charge of electron 
Text Solution
Verified by ExpertsThe correct answer is:
D
JEE Main 2019
As particle is moving along a circular path

Path is straight line, then



From equation
and 


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