(a)[1]
State one further similarity between e.m.f. and p.d.
(b)[1]
State one distinction between e.m.f. and p.d.
(c(i))[1]
Calculate the e.m.f. of the battery.
(c(ii))[3]
Calculate the total resistance of this resistor arrangement.
(c(iii))[2]
Calculate the voltmeter reading in Fig. 8.1.