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Which of the following vector fields
(a) F(x, y) = 2ryâ - yy
in cartesian
%3D
(b) F(x, y) = 2²â – yŷ+ 2z2
in cartesian
%3D
(c) F(r, z) = z2 + (3 - r/(1+r))î
in cylindrical
%3D
Could represent a possible electrostatic field
apart from a numerical constant?
o (b) and (c)
o (a) and (b)
o (a) and (c)
o (a) and (b) and (c)
O None of these
O (a)
o (b)
o (c)

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