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caponedomonique1 caponedomonique1
  • 02-12-2016
  • Physics
Answered

Which of the following is a poor electrical insulator?

APlastic
BGlass
CWood
DWood
ESea Water

Verified Answer :

Anonymous Anonymous
  • 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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