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Electric charge +q is iniformaly distributed over the entire volume of a sphere of radius r. Calculate the magnetic moment of the sphere if it spins a

Monjur Alahi

Electric charge +q is iniformaly distributed over the entire volume of a sphere of radius r. Calculate the magnetic moment of the sphere if it spins about its diameter with angular speed `omega` . Compare this moment with its angular momentum, assuming that its mass is m.


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Salim Ahmed Kawsar

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Correct Answer - `(1)/(5)qwr^(2),(q)/(2m)`

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Correct Answer - `-(Q^(2))/(16pi in_(0)R)`

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Correct Answer - `(PQ)/(4pi in_(0)R^(3))`

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Correct Answer - `P=(2Rq)/(pi)`

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Correct Answer - (a). `rho(r)=(Q)/(piR^(4))r` (b) `(Qr_(1)^(2))/(4pi in_(0)R^(4))`

2 Answers 1 views
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Correct Answer - `v=sqrt(1/(4piepsi_0)(2Q^2)/(Rm)`

2 Answers 1 views
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Correct Answer - `(q^(2))/(8piepsilon_(0)R)`

2 Answers 2 views
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Correct Answer - `1:5`

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Correct Answer - `5.6xx10^(5)NC^(-1)`

2 Answers 7 views
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Correct Answer - `[(pirho_(0)^(2)R^(5))/(72 in_(0)) , (13pirho_(0)^(2)R^(5))/(630 in_(0))]`

2 Answers 1 views
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Correct Answer - ` 4500 pi cm^(3)`

2 Answers 1 views

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