Fig. 9.1 gives the circuit symbol for a $12\,\text{V}$ battery.
(a)[1]
With the battery, two lamps are arranged in parallel. On Fig. 9.1, complete the circuit diagram using the correct symbols.
(b(i))[1]
Calculate the current in the circuit.
(b(ii))[2]
Calculate the power output.
(c)[3]
Calculate the total energy transferred to this lamp in $20\,\text{hours}$.
Worked solution & mark scheme
This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Two lamps shown in parallel, with the correct symbols and connection to the battery” …