Bulbs A and B are identical and connected in series with each other
PHYSICS · Single correct · A Level · Physics · Electricity · Electricity
Problem
Bulbs A and B are identical and connected in series with each other. This series combination is connected in parallel with a third identical bulb C across an ideal battery. Which statement best ranks the brightness of the bulbs?
(a) Bulbs A and B are equally brightest; bulb C is dimmest
(b) Bulb C is brightest; bulbs A and B are equally bright and dimmer
(c) All three bulbs have equal brightness
(d) Bulb A is brightest; bulbs B and C are equally bright and dimmer