Question

How may bulbs of 25 watt each can glow in a circuit of 250 volt
and 5 ampere fuse?​

Answer 1

Answer:

First we need the total power that this connection is using

So

P=V×I

P=220×5

P=1100watts

Now, number of 60 watts bulbs safely run on this power are

n=

60

1100

n=18.33

So, 18 bulbs of 60 watts may be safely run on 220V using a 5A fuse.

Answer 2

Power = 25 watt. From this, you can glow 50 bulbs of 25 watts.

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