0654.P4.3.05 — Know the advantages of connecting lamps in parallel in a circuit: past paper questions
Real questions on 0654.p4.3.05 — know the advantages of connecting lamps in parallel in a circuit
The newest 5 of 5 written questions. Open one to see it on the real paper.
- 0973/32 · May/June 2022 · Q12b[2]
The car has two headlamps powered by the car battery. The lamps are connected in parallel. Complete the circuit diagram in Fig. 12.1 to show two lamps connected in parallel both controlled by one switch. The battery has been drawn for you. Fig. 12.1
See it on the paper → - 0973/31 · October/November 2021 · Q3a(ii)[1]
State one advantage of connecting the lamps in parallel rather than in series.
See it on the paper → - 0973/31 · May/June 2021 · Q6a(iii)[1]
State one reason why the lamps are connected in parallel and not in series.
See it on the paper → - 0973/41 · October/November 2020 · Q3d(ii)[2]
State one reason why the lamps are connected as shown in Fig. 3.1 and not in series. Explain your answer.
See it on the paper → - 0973/42 · May/June 2020 · Q3a(iii)[1]
State one reason why the lamps are connected in parallel rather than in series.
See it on the paper →
What examiners said
Many candidates gave vague answers such as ‘so they can be the same brightness’ or ‘so that they have the same voltage’. Candidates should be encouraged to give detailed explanations, so their ideas are fully expressed.
— Examiner report, May/June 2021, 0973/31 Q6(a)(iii) (Cambridge)
Those who knew that if one lamp fails in a parallel circuit, the other lamp will stay lit, seldom explained this in terms of the maintenance of a complete circuit.
— Examiner report, October/November 2020, 0973/41 Q3(d)(ii) (Cambridge)
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