1)the necessary requirement for a fuse wire is conductor with low melting point why 2)three 100W light bulbs are - Science - Electric Current and its Effects

Question

1)the necessary requirement for a fuse wire is conductor with
low melting point why?
2)three 100W light bulbs are connected in series to a 220 V
power source If two of the light bulbs are replaced by 60 W bulbs
the brightness of the remaining 100 W bulb is dimmer than it was
before please explain

Jyoti Pant · Accepted Answer

Due to paucity of time it would not be possible for us to
solve all your queries We are providing solution to one of your
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(i)A fuse wire should have a low melting point because when a
large amount of current suddenly come then temperature goes very
high and fuse wire melt and saves our appliances from harm

1)the necessary requirement for a fuse wire is conductor with low melting point.why? 2)three 100W light bulbs are connected in series to a 220 V power source. If two of the light bulbs are replaced by 60 W bulbs the brightness of the remaining 100 W bulb is dimmer than it was before.please explain.