The Cost Of Electricity

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  • Created by: Samb0y
  • Created on: 19-05-14 18:52
Energy is usually measured in what?
Joules (j)
1 of 6
Power is usually measure in what?
Watts (w) or Kilowatts (kW)
2 of 6
Which is true?
A 5kW appliance transfers 5000 J in 1 second
3 of 6
Which formula is correct - Cost =
No. of Units x Price of Units
4 of 6
An electricity supplier charges 14p per unit. Find the cost of of leaving a 60 W light bulb on for a year.
£73.58
5 of 6
Each unit costs 14p. For how long can a 6kW heater be used for?
10 minutes
6 of 6

Other cards in this set

Card 2

Front

Power is usually measure in what?

Back

Watts (w) or Kilowatts (kW)

Card 3

Front

Which is true?

Back

Preview of the front of card 3

Card 4

Front

Which formula is correct - Cost =

Back

Preview of the front of card 4

Card 5

Front

An electricity supplier charges 14p per unit. Find the cost of of leaving a 60 W light bulb on for a year.

Back

Preview of the front of card 5
View more cards

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