A particle of charge –q and mass m moves in a circle of radius r around an infinitely long line charge of linear charge density +λ.Then time period will be − where k=14π∈0
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
T=2πrm2kλq
b
T2=4π2m2kλqr3
c
T=12πr2kλqm
d
T=12πrm2kλq
answer is A.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
Here electric force on the particle provide required centripetal force.F=qE=mv2rqλ2πε0r=mv2r or v=λq2πε0mT=2πrvT=2πr2πε0mλq