Question

A domestic circuit has 5A fuse . How many bulbs of rating 100W ,220V can be safely used in

Answer 1

Answer:

11

Explanation:

power= VI

here v= 220

I= 5A

p= 220×5

= 1100w

the rating of bulb is 100w

then .the no of bulb can be used in

= 1100/100

=11.bulb.

hence , 11 no.of bulb can be use safely.