Odpowiedź :
Dane:
t = 20 min = 20/60=1/3h
P = 1500W = 1,5kW
Szukane:
W=?
W = P * t = 1,5kW * (1/3)h = 0,5kWh
W=0,5kWh
t = 20 min = 20/60=1/3h
P = 1500W = 1,5kW
Szukane:
W=?
W = P * t = 1,5kW * (1/3)h = 0,5kWh
W=0,5kWh