Q. No 2: An electric oven of 2 kW is operated in a domestic
electric circuit (220 V) that has a current rating of 5 A. What result do you
expect? Explain.
Ans: In this problem we have
Power of the oven (P) = 2 kW = 2000 W
Potential Difference (V) = 220 V
We have P = VI
⇒I=P/V
= 2000/220
= 9.09A
Here the current drawn by the electric oven is 9.09 A, which
exceeds the safe limit of the circuit that is 5A. Therefore electric fuse will
melt and break the circuit.
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ReplyDeleteAn oven of 2 kw is connected with a5 A and 220 V domestic circuit for 3 hour, calculate the energy decipated by the oven
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