P1.3.1 Transferring Electrical Energy Flashcards
1
Q
Energy use
A
The amount of energy an appliance transfers depends on how long the appliance is switched on and it’s power.
2
Q
Energy transfer
A
Energy transferred= power x time
3
Q
Cost of mains electricity
A
To calculate the cost of mains electricity given the cost per kilowatt-hour
4
Q
Examples of energy
A
Examples of energy transfers that everyday electrical appliances are designed to bring about