An electric kettle consumes 1 kW of electric power when operated at220 V. The minimum rating of the fuse wire to be used for it i
Question
An electric kettle consumes 1 kW of electric power when operated at220 V. The minimum rating of the fuse wire to be used for it i
Solution
The power P of an electric device is given by the formula P = V * I, where V is the voltage and I is the current.
Given: Power P = 1 kW = 1000 W Voltage V = 220 V
We can rearrange the formula to solve for I: I = P / V
Substituting the given values:
I = 1000 W / 220 V = 4.55 A
Therefore, the minimum rating of the fuse wire to be used for the kettle should be slightly higher than 4.55 A to prevent it from blowing during normal operation. A 5 A fuse would be a suitable choice.
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