caponedomonique1 caponedomonique1
  • 02-12-2016
  • Physics
contestada

Which of the following is a poor electrical insulator?
A) Plastic
B) Glass
C) Wood
D) Wood
E) Sea Water

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Аноним Аноним
  • 02-12-2016
Sea water contains charged ions. These ions help in conduction of electricity. If you dip electrodes into salt water and connect them to voltmeter, you'll see deflection which implies salt water (sea water) is good conductor of electricity.
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