A 40 W, 220 V bulb (X) and a 100 W, 220 V bulb (Y) are connected in series across a…
PHYSICS · Single correct · A Level · Physics · Electricity · Electricity
Problem
A 40 W, 220 V bulb (X) and a 100 W, 220 V bulb (Y) are connected in series across a 220 V mains supply. Approximately how much power is produced in bulb X?
(a) 40W
(b) 20W
(c) 8W
(d) 30W