Question

Several electric bulbs designed to be used on a 220v electric supply line are related 10w how many lamps are connected in parallel with each other across the two sides wires of 220v line if the maximum allowable current is 5a

Answer 1

Given V=220V

P=10W each bulb

Let the no of bulbs be n

I=5A

Then

As P=VI

10×n=220×5

n=220×5/10

=110

Answer 2

hey mate this is ur answer.....