A Surface Is So Constructed That, at All Points on the Surface

question 3

Multiple Choice

A surface is so constructed that, at all points on the surface, the vector points inward. Therefore, it can be said that

• A) the surface encloses a net positive charge.
• B) the surface encloses a net negative charge.
• C) the surface encloses no net charge.
• D) the surface vector \(\Delta\)S at all points on the surface is necessarily parallel to the electric field vector .
• E) the surface vector \(\Delta\)S at all points on the surface is necessarily perpendicular to the electric field vector .

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