The Cost of Electricity Flashcards
1
Q
What is a kilowatt-hour?
A
The amount of electrical energy used by a 1kW appliance left on for one hour.
2
Q
How is cost of electricity worked out?
A
Cost= Number of units x Price per unit
3
Q
How is the number of units worked out?
A
No of Units(kWh)=Power (kW) x Time (hours)