A thin fixed ring of radius 'a' has a pos- itive charge 'q' uniformly distributed over it. A particle of mass 'm' and having a negative charge 'Q' is placed on the axis at a distance of x (x << a) from the centre of the ring. Show that the motion of the negatively charged particle is approximately simple harmonic. Calculate the time period of oscillation. dq Fig.
A thin fixed ring of radius 'a' has a pos- itive charge 'q' uniformly distributed over it. A particle of mass 'm' and having a negative charge 'Q' is placed on the axis at a distance of x (x << a) from the centre of the ring. Show that the motion of the negatively charged particle is approximately simple harmonic. Calculate the time period of oscillation. dq Fig.
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Question
![A thin fixed ring of radius 'a' has a pos-
itive charge 'q' uniformly distributed over it: A particle of
mass 'm' and having a negative charge 'Q' is placed on the
axis at a distance of x (x << a) from the centre of the ring.
Show that the motion of the negatively charged particle is
approximately simple harmonic. Calculate the time period
of oscillation.
+
B da
a
.0
+
Fig.
Y
dF
81
MA](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5519f2e4-35a2-43a6-b891-c5a7505ab9a8%2F294c12e2-a11d-452c-9c80-6b317b64eb12%2Fqsk0o7_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A thin fixed ring of radius 'a' has a pos-
itive charge 'q' uniformly distributed over it: A particle of
mass 'm' and having a negative charge 'Q' is placed on the
axis at a distance of x (x << a) from the centre of the ring.
Show that the motion of the negatively charged particle is
approximately simple harmonic. Calculate the time period
of oscillation.
+
B da
a
.0
+
Fig.
Y
dF
81
MA
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