(a(i))[1]
State the name of the magnet shown in Fig. 7.1.
(a(ii))[1]
Suggest one advantage that this type of magnet has compared with other kinds of magnet.
(a(iii))[2]
State two ways to increase the strength of the magnet in Fig. 7.1.
(a(iv))[1]
Suggest one application of this type of magnet.
(b(i))[1]
(b(ii))[1]