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Dipole in a Uniform Magnetic Field
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A charged particle (charge q) is moving
Question
A charged particle (charge q) is moving in a circle of radius R with uniform speed v. The associated magnetic moment
μ
is given by
A
q
v
R
B
q
v
2
R
C
q
v
R
2
D
q
v
2
R
2
Medium
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Updated on : 2022-09-05
Solution
Verified by Toppr
Correct option is B)
The current in circular path due to movement in circle is given by
i
=
T
q
=
2
π
R
q
v
Hence the magnetic moment associated with the particle is
μ
=
i
A
=
2
π
R
q
v
π
R
2
=
2
q
v
R
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