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Grade 11Electric Current

2 particles each of mass m and charge q are attached to the ends of a light rigid rod of length 2R. The rod is rotated at constant angular speed about perpendicular axis passing centre .Ratio of magnitude of magnetic moment and angular momentum about the centre is? please elucidate.

Radhika Batra

12 Years agoGrade 11

1 Answer

Srishti sadhu

8 Years ago

I=2q/t =(2q×w)÷(2π)Where w-angular speedI=qw/πMagnetic moment, M=IA =(qw/π)×(πR^2) =qwR^2Angular momentum, L=(2m)R^2×wM/L=qwR^2÷[(2m)R^2×w] =q÷(2m)

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