(a)[2]
Describe how the student uses the apparatus to show electromagnetic induction.
(b)[2]
State two different changes the student must make to the apparatus so that the e.m.f. induced in the coil increases.
(c(i))[1]
State a suitable material for the transformer core.
(c(ii))[1]
State the name used for coil X in Fig. 10.2.
(c(iii))[1]
State the name given to the type of transformer shown in Fig. 10.2.