A cuboid has dimensions a × a × b. A charge q is placed at the centre of an edge of length b. If the flux through face ABCD is q/(32ε₀), select the correct statement(s).

Select all that apply

• Option A

  Flux through the entire cuboid is q/(4ε₀).

• Option B

  Flux through face ABEH is zero.

• Option C

  Flux through face BEFD is 3q/(32ε₀).

• Option D

  Flux through face BEFD is q/(16ε₀).