(a) no magnetic field
(b) a counter - clockwise field in the plane of the paper
(c) a clockwise field in the plane of the nape 1
(d) a counter - clockwise field in the plane perpendicular to the paper.
(b) a counter - clockwise field in the plane of the paper
(c) a clockwise field in the plane of the nape 1
(d) a counter - clockwise field in the plane perpendicular to the paper.