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Q.

An electric oven with a power rating of 2 kW is operated in a 200 electric circuit with a current rating of 5 A. The current flowing in the circuit is ____ A.


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Detailed Solution

When an electric oven of 2 kW power rating is operated in a 200V electric circuit with a current rating of 5 A, then the current flowing in the circuit is 10 A.
It is given that the Power P=2 kW
                                             =2000 W Voltage V=200 V
We know that
  P=VI
I= PV
Where P is power, I is current and V is voltage.
On substituting the given values, we get
    I=2000/200
 I= 10 A
Hence the current rating of the circuit is 5 A, and the current flowing is 10 A.
 
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An electric oven with a power rating of 2 kW is operated in a 200V  electric circuit with a current rating of 5 A. The current flowing in the circuit is ____ A.