Odpowiedź:
A) P=U*I=230*10=2300W
B)E=P*t=2300W*2h=4600Wh=4,6kWh
1kWh=3600000 J
4,6*3600000=16 560 000 J
C) 10h pracy to 23kWh
23kWh*0,6zł=13,8zł
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Odpowiedź:
A) P=U*I=230*10=2300W
B)E=P*t=2300W*2h=4600Wh=4,6kWh
1kWh=3600000 J
4,6*3600000=16 560 000 J
C) 10h pracy to 23kWh
23kWh*0,6zł=13,8zł