Question: A surface is so constructed that, at all points, the E vector points outward and is at right angels to the surface. Choose the statement(s)

A surface is so constructed that, at all points, the E vector points outward and is at right angels to the surface. Choose the statement(s) that is/are true about this surface.

(i) There is no field component parallel to the surface at any point.

(ii) The surface encloses a net positive charge.

(iii) The surface encloses a net negative charge.

(iv) The surface is an equipotential surface.

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