(a)[4]
Complete the circuit diagram in Fig. 9.2 so that it matches the circuit in Fig. 9.1. Use standard electrical symbols.
(b(i))[3]
Calculate the lamp’s resistance.
(b(ii))[3]
The lamp remains switched on for 30 s. Calculate the energy transferred in the lamp over this interval.
(c)[2]
State and explain how the current in the circuit changes.