9.11 Paying for electricity Flashcards
1
Q
How can energy transferred by an electrical device be calculated?
A
W=Pt
2
Q
What unit of energy do electricity bills use?
A
kilowatt-hours (kWh)
1kWh = 3.6 MJ (3.6x10^6 J)
A Level OCR A Physics > 9.11 Paying for electricity > Flashcards
How can energy transferred by an electrical device be calculated?
W=Pt
What unit of energy do electricity bills use?
kilowatt-hours (kWh)
1kWh = 3.6 MJ (3.6x10^6 J)
A Level OCR A Physics (25 decks)