Three identical lamps are each labelled 240 V, 60 W. They are connected to a 240 V electrical supply.
In which of the following arrangements do all three lamps operate at their normal brightness?
All three lamps are connected in series across the 240 V240\text{ V}240 V supply.
All three lamps are connected in parallel across the 240 V240\text{ V}240 V supply.
Two lamps are connected in series, and this group is connected in parallel with the third lamp across the 240 V240\text{ V}240 V supply.
Two lamps are connected in parallel, and this group is connected in series with the third lamp across the 240 V240\text{ V}240 V supply.
52 exam-style questions on CIE IGCSE Physics 4.3.2a Series circuits. Each one has a worked solution and a mark scheme showing where the marks go.