Bulb A is rated 25 W, 220 V and bulb B is rated 60 W, 110 V
PHYSICS · Single correct · A Level · Physics · Electricity · Electricity
Problem
Bulb A is rated 25 W, 220 V and bulb B is rated 60 W, 110 V. The two bulbs are connected in parallel across a 110 V supply. Which bulb glows brighter?
(a) Only bulb A glows brighter.
(b) Both bulbs glow with equal brightness.
(c) Only bulb B glows brighter.
(d) Neither bulb glows.