P1.3~The Usefulness Of Electrical Appliences Flashcards
1
Q
What is most of the energy which is transferred to home and industry,
A
Electrical energy
2
Q
What is electrical energy easily transformed into?
A
~heat (thermal) energy
~light energy
~sound energy
~movement (kinetic) energy
3
Q
What is the power of an appliance measured in?
A
Watts (W) or kilowatts (kW)
4
Q
What is energy usually measured in?
A
Joules (J)
