A sphere of radius a carries a uniform surface-charge distribution . The sphere is rotated about a

Question:

A sphere of radius a carries a uniform surface-charge σ. The sphere is rotated about a diameter with constant angular velocity ω. Find the vector potential and magnetic-flux density both inside and outside the sphere.

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...