Back to quiz

6. 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

7. What is direct current?

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

8. How do you calculate the frequency of an ac supply?

  • f=1/T
  • FREQUENCY=RAPERxPASTORAL CARE
  • f=T/1
  • LOOOOOLLLLLLLLLLLL YOU DON'T KNOW
  • f=Tx100