Physics

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

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

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

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

3. What is a fuse?

  • A piece of metal that melts if too much current passes through it
  • Something that always blows
  • A thin wire that heats up and melts if too much current passes through it
  • LOOOOOOOOOOOOOOOOLLLLLLLLLLLLLLLLLL IDIOT

4. What is the equation for power?

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

5. 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

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