(a)[4]
On Fig. 8.1: Mark the position of each pole on the magnet. Use N for the north pole and S for the south pole. Sketch one magnetic field line above the magnet and a second magnetic field line below the magnet. Include a single arrow to show which way the magnetic field acts.
(b(i))[1]
State what this device in Fig. 8.2 is called.
(b(ii))[1]
Describe the change to the iron filings.
(b(iii))[1]
Describe the effect on the iron filings.