9.11 Paying for electricity Flashcards
1
Q
Equation for work done
A
W = Pt
2
Q
What is the kilowatt-hour (kWh)?
A
The energy transferred by a device with a power of 1kW operating for one hour.
1kWh = 3.6MJ
3
Q
What are the typical costs per kWh?
A
6-15p