# Solution: A charge is placed in a closed box. If the size of the box doubles, the electric flux going through the boxA) reverse the sign but keeps the same magnitude.B) keeps the same.C) doubles.D) is only half of the original flux.

###### Problem

A charge is placed in a closed box. If the size of the box doubles, the electric flux going through the box

A) reverse the sign but keeps the same magnitude.

B) keeps the same.

C) doubles.

D) is only half of the original flux.