Which of the following vector fields (a) F(x, y) = 2ryâ - yy in cartesian %3D (b) F(r, y) = x² ât – yŷ +2z2 in cartesian %3D (c) F(r, z) = z2 + (3 – r/(1+r))î in cylindrical %3D Could represent a possible electrostatic field E apart from a numerical constant? o (b) and (c)
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