Other questions in this quiz

2. What is direct current?

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

3. Why must appliances with metal cases be earthed?

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

4. What is the equation for power?

  • LOOOOOOOOOLLLLL U CONFUSED
  • P=IxV
  • P=I/V
  • P=V+I

5. Why don't appliances with plastic cases have to be earthed?

  • Plastic does need to be earthed
  • Plastic is an insulator so cannot become live
  • PLASTIC IS TOO SASSY AND COOL FOR DAT
  • Plastic is a good conductor so cannot become live

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