2. A thin disk of radius R and uniform surface charge density sigma rotates about its...

2. A thin disk of radius R and uniform surface charge density sigma rotates about its axis of symmetry with angular velocity omega = omega zhat.

(a) What is the current density K(s) where s is the distance from the center?

(b) Find B at the center of the disk (z=0, s=0) using Bio-Savart's law. (It's a simple integral).

(c) What is the magnetic dipole moment of the disk?

Expert Solution

genius_generous answered 2 years ago

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