The circuit contains an a.c. supply together with two lamps, and the lamps are connected in parallel.
(a)[2]
Draw a circuit diagram for this arrangement.
(b(i))[2]
Calculate the current through the 800 Ω lamp.
(b(ii))[3]
Calculate the energy consumed by the 800 Ω lamp over 5.0 hours. Express your answer in kWh.
(b(iii))[2]
Calculate the equivalent resistance of the two lamps in this circuit.
Worked solution & mark scheme
This 9-mark question has a full step-by-step worked solution and mark scheme. One marking point: “correct circuit symbols for the a.c. supply and the lamps” …