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

question 64

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 .