Sat September 14, 2013 By:

You have two bulbs , one rated 220V , 100W and the other 220V, 40W. Which one will have a higher resistance? And which one is likely to glow more?

Expert Reply
Sat September 14, 2013
Bulb will larger resistance will consume more power and the potential drop across it will be more. So 40 W bulb will glow brighter.
Home Work Help