(a) If the north pole of a thin flat magnet moves on a table toward a loop...

Question:

(a) If the north pole of a thin flat magnet moves on a table toward a loop also on the table (Fig. 21-48), in what direction is the induced current in the loop? Assume the magnet is the same thickness as the wire.
(b) What if the magnet is four times thicker than the wire loop? Explain your answers.