Odpowiedź:
P=80W = 0,08kW
n=28 dni (w lutym)
t₁ =5h
cena=80gr/kWh
-------------------------
koszt ?
t = n*t₁ = 28*5h = 140 h
W = P*t = 0,08kW * 140h = 11,2 kWh
Koszt = W*cena = 11,2kWh * 80gr/kWh = 896 gr = 8zł 96 gr
Koszt = 8,96 zl
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Odpowiedź:
P=80W = 0,08kW
n=28 dni (w lutym)
t₁ =5h
cena=80gr/kWh
-------------------------
koszt ?
t = n*t₁ = 28*5h = 140 h
W = P*t = 0,08kW * 140h = 11,2 kWh
Koszt = W*cena = 11,2kWh * 80gr/kWh = 896 gr = 8zł 96 gr
Koszt = 8,96 zl