An electric oven of 2 kW power rating is operated in a domestic electric circuit (220 V) that has a current rating of 5 A. What result do you expect? Explain. - Zigya
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An electric oven of 2 kW power rating is operated in a domestic electric circuit (220 V) that has a current rating of 5 A. What result do you expect? Explain.


Given an electric oven.
Power rating, P = 2 kW
Voltage of domestic electric circuit = 220 V
Current rating  = 5 A

Electric current drwan by oven is given by, 

I = PV =2 k W220 V = 2000 W220 V = 9.09 A 

Thus, the electric oven draws current much more than the current rating of 5 A. That is the cirucit is overloaded. Due to excessive current, the fuse wire blows and the circuit will break.
 
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