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Questions  

A charged particle(charge q) is moving in a circle of radius R with uniform speed ν . The associated magnetic moment  μ is given by:

a
qυR2
b
qυR2/2
c
qυR
d
qυR/2

detailed solution

Correct option is D

Magnetic moment is given by μ=iA=qT.πr2⇒μ=qv2πr.πr2=qvr2

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