Other questions in this quiz

2. Each unit costs 14p. For how long can a 6kW heater be used for?

  • 7 minutes
  • 10 minutes
  • 1 hours
  • 2 hours

3. Which is true?

  • A 5kW appliance transfers 5000 J in 1 second
  • kW = J x 10
  • A 5kW appliance transfers 500 J in 1 second
  • A 50kW appliance transfers 5000 J in 1 second p

4. 'Kilowatt-hours' mean the same as 'units'

  • True
  • False

5. Energy is usually measured in what?

  • Joules (j)
  • Watts (w)
  • Power
View more questions

Comments

No comments have yet been made

Similar Physics resources:

See all Physics resources »See all Equations and Formulae resources »