What will be the total electric flux through the faces of the cube of side length '$a$' if a charge '$Q$' is placed at '$B$', the midpoint of an edge of the cube (see figure)?
- A$\frac{Q}{8\epsilon_0}$
- B$\frac{Q}{3\epsilon_0}$
- C$\frac{Q}{4\epsilon_0}$
- D$\frac{Q}{2\epsilon_0}$
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