question_answer

There is a point charge +q inside a hollow sphere and a point charge -q just outside its surface. The total flux passing through the sphere

A)  \[\frac{-q}{{{\in }_{0}}}\]                                

B)  \[\frac{q}{{{\in }_{0}}}\]

C)  \[\frac{2q}{{{\in }_{0}}}\]                               

D)  zero.