A loop of area 1 m2 is placed in a magnetic field B=2 T such that the plane of the loop is parallel to the magnetic field. If the loop is rotated by 180∘, the net charge passing through any point of the loop, whose resistance is 10Ω, is
(a) 0.4 C
(b) 0.2 C
(c) 0.8 C
(d) 0 C