A loop of conductor is at rest on a table. A magnet is brought nearby directly above the loop. What is the direction of current flow (looking from above) in the following situations?

a) The north pole of the magnet points down and the magnet is moved down

clockwise

counterclockwise

no current flows
b) The north pole of the magnet points up and the table is raised

clockwise

counterclockwise

no current flow
c) The loop of wire is rotated clockwise about its center axis

clockwise

counterclockwise

no current flow