Energy And Power Flashcards
1
Q
What is the unit of power?
A
The unit of power is “Watts”.
2
Q
What us the energy that companies use for your electric bills?
A
The energy that companies use for your electric bills is kilowatts per hour (kwh).
3
Q
What is power?
A
Power is the energy transferred per seconds.
4
Q
How much is 1kW in Watts?
A
1kW is 1000W.
5
Q
What is 12000 J per secons the same as?
A
12000 J per second is the same as 12 killojoules per second (kjs). 1000 J is 1kj.
6
Q
What is energy?
A
Energy is the ability to do work.
7
Q
What is the unit of energy?
A
J (Jouls)
8
Q
List the 7 energy stores…
A
- Chemical energy store
- gravitasional potensial energy store
- kinetic energy store
- elastic energy store
- meagnetic energy store
- electrostatic energy store
- thermal energy store
