Other questions in this quiz

2. What is the power (kW) of an appliance that transfers 90000J of energy in 30 seconds?

  • LOLLLLLLLL YOU SUCK AT MATHSSSSSSSSSSSS
  • 3kW
  • 30000kW
  • 3W

3. Why must appliances with metal cases be earthed?

  • So that the case cannot become live and electrocute you
  • SO YOU DON'T GET ZAPPED BY OLD SPARKY
  • Appliances with metal cases don't need to be earthed
  • So that the appliance does not short circuit

4. What is direct current?

  • LOL WHO CARES
  • a current that goes directly from the power source
  • Current that passes in one direction only
  • Current that changes direction

5. Why are the pins of a plug made of brass?

  • Brass is a good conductor and does not oxidise or rust
  • Brass is a poor conductor and does not oxidise or rust
  • HAHAHAHA WHO CARES???????????????????????
  • Brass is safer to use than other metals

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