CAIE IGCSE Physics 4.3.2.7 Advantages of connecting lamps in
Practise applying parallel lamp rules to lighting circuits, including failures, separate switching, voltage, and normal brightness.
- Syllabus
- 2026–2028
- Course
- Physics 0625
Exam points
- state that if one parallel lamp breaks, the remaining lamps can still stay lit
- distinguish parallel lighting advantages using voltage, brightness, and separate switches
4.3.2.7—Advantages of connecting lamps in question 1
Fig. 2.1 shows solar-powered traffic warning lights.
Fig. 2.1
The energy from the solar cell is stored in a battery.
The two lights in Fig. 2.1 are connected in parallel.
State one advantage of a parallel connection in a lighting circuit.
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