energy transfer by appliances Flashcards
1
Q
in blenders and fans what energy transfer takes place
A
electrical energy from mains supply to kinetic energy of electric motors
2
Q
in an iron and kettle what energy transfer takes place
A
electrical to thermal energy
3
Q
in a hairdryer and washing machine what energy transfers take place
A
electrical energy is transferred into kinetic energy of electric motors and thermal energy
4
Q
what does a power rating show
A
the amount of joules of electrical energy the appliance transfers every second
