Among the following, which material is a good conductor of electricity?

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ALP CBT 2 Electrician Official Paper (Held On: 23 Jan 2019 Shift 3)
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  1. Silver
  2. Glass
  3. Porcelain
  4. Rubber

Answer (Detailed Solution Below)

Option 1 : Silver
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  • Good conductors are the materials that allow the electricity to pass through them. The electrons moves freely inside them.
  • Some common examples of good conductors are - Silver, Copper, Aluminium, Tungsten, Nickel, etc.
  • Bad conductors are the materials that do not allow electricity to pass through them. The electrons in bad conductors do not move freely.
  • Some common examples of the bad conductors of electricity or insulators are - Rubber, Glass, Wood, Porcelain, Bakelite etc.
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