There exists an electric field of 1n/c along the y-direction. The flux passing through a square of 1m placed in the xy plane inside the electric field is:
(a) 1 Nm²/C
(b) 0 Nm²/C
(c) 1 Nm²/C along the negative y-direction
(d) 1 Nm²/C along the positive y-direction
