Two identical bulbs each rated 60 W, 230 V are connected to a 230 V mains supply
PHYSICS · Single correct · A Level · Physics · Electricity · Electricity
Problem
Two identical bulbs each rated 60 W, 230 V are connected to a 230 V mains supply. In arrangement I they are connected in series, and in arrangement II they are connected in parallel. Which statement correctly compares their brightness?
(a) Each bulb glows brighter in arrangement I than in arrangement II
(b) Each bulb glows brighter in arrangement II than in arrangement I
(c) Each bulb glows equally bright in both arrangements
(d) The bulbs fuse in arrangement II because of excessive voltage across each