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fuse of 3 ampere , 5 ampere and 10 ampere are available. calculate and select the fuse for operating electric iron of 1 kw power at 220 v line supply ?

fuse of 3 ampere , 5 ampere and 10 ampere are available. calculate and select the fuse for operating electric iron of 1 kw power at 220 v line supply ?

Grade:12

1 Answers

Neeti
571 Points
5 years ago
the maximum current that the iron can handle is given by:
P = V x I .
on putting values we get I = 4.54A hence fuse wire should be 5A

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