Electric Kettle rated at 220V , 2.2KW , works for 3 hours. Find the energy consumed and the current drawn.
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Power = Energy consumed / time
Energy = 2.2KW × 3hrs
Energy = 6.6 J
V = 220 Volt
Energy = 6.6J for hours
or 6600 J for s
Q = W / V
Q = 6600 / 220
Q = 30 coulomb
Current = T / Q
Current = 60 × 60 × 3 / 30
Current = 360 A
Energy = 2.2KW × 3hrs
Energy = 6.6 J
V = 220 Volt
Energy = 6.6J for hours
or 6600 J for s
Q = W / V
Q = 6600 / 220
Q = 30 coulomb
Current = T / Q
Current = 60 × 60 × 3 / 30
Current = 360 A
Answered by
1
Answer :-
Current = 10 A
Energy = 6.6 KWh
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