question_answer

A charged particle q is placed at the center O of cube of length L (A B C D E F G H). Another same charge q is place at a distance L from O. Then the electric flux through ABCD is

A) \[q/4\pi {{\in }_{0}}L\]              

B) zero

C) \[q/2\pi {{\in }_{0}}L\]  

D)        \[q/3\pi {{\in }_{0}}L\]