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Title: GR9277.064
Post by: conantee on September 25, 2010, 10:29:05 PM
64. If an electric field is given in a certain region by E_x = 0, E_y =0, E_z = kz, where k is a nonzero constant, which of the following is true?
(A) There is a time-varying magnetic field.
(B) There is change density in the region.
(C) The electric field cannot be constant in time.
(D) The electric filed is impossible under any circumstances.
(E) None of the above.