Two bulbs of 100w and 40w respectively connected in series across a 230v supply which bulb will glow bright and why?
How can you start-up the 40w tube lite with 230v AC/DC without using any choke/Coil?
What does 220V 40W mean?
Is 7w same as 40W?
29.4k questions
1.3k answers
7.4k users