Question :

An electric kettle consumes 1 KW of electric power when operated at 220 V. A fuse wire of what rating must be used for it?
Submitted on 22/2/2024 | Answered by Vandana Rana

Answer :

Given,

Power, P= 1 KW = 1000 W

Voltage, V = 220 V


We know,


Power, P = V I


Putting all the values

1000 = 220 ×I

⇒ I = 1000/220

= 4.54 A

≈ 5 A


Therefore, fuse wire of rating 5 A can be used.