The cost of electricity Flashcards
1
Q
Electrical appliances transer
A
electrical energy into other forms eg. heat, light
2
Q
The amount of energy transferred by an appliance depends on its
A
- power
- amount of time the appliance is switched on
3
Q
Energy is usually measured in
A
joules
4
Q
Power is usually measured in
A
Watts or kilowatts
