A) 1 kW, 60 kJ
B) 0.5 kW, 30 kJ
C) 10 kW, 600 kJ
D) None of these
Correct Answer: A
Solution :
Power \[P=Vi\,t=250\times 4=1000\,W=1kW\] Energy = P ´ t = 1 kW ´ 60 sec = 60 kJYou need to login to perform this action.
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