(VI.1) (a) Find the fields, and the charge and current distributions, corresponding to qct V(7, t) = 0, Ã(F, t) = r2 (b) Use the following gauge function to transform the above potentials and comment on the results. qct (c) Which of the potentials in (a) and (b) are in the Coulomb gauge? Note: use spherical coordinates, and apply the correct expression to calculate the deriva- tives with the del operator (V).
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