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AIEEE 2005 Physics Solved Paper
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© examsnet.com
Question : 50
Total: 74
A charged particle of mass
m
and charge
q
travels on a circular path of radius
r
that is perpendicular to a magnetic field
B
. The time taken by the particle to complete one revolution is
2
π
q
2
B
m
2
π
m
q
B
2
π
m
q
B
2
π
q
B
m
Validate
Solution:
Equating magnetic force to centripetal force.
m
V
2
r
=
q
v
B
s
i
n
90
∘
Time to complete one revolution.
T
=
2
π
r
v
=
2
π
m
q
B
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