A solid sphere of radius R carries a uniform charge density, 0, between r 0 and r R and an equal charge density of opposite sign, 0, between r R and r R The sphere rotates about its diameter with angular velocity Derive an expression for the magnetic moment of this rotating sphere

Question: A solid sphere of radius R carries a uniform charge density, +0, between r = 0 and r = R and an equal charge

A solid sphere of radius R carries a uniform charge density, +ρ0, between r = 0 and r = ½ R and an equal charge density of opposite sign, –ρ0, between r = ½R and r = R. The sphere rotates about its diameter with angular velocity ω. Derive an expression for the magnetic moment of this rotating sphere.

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