There is no hole current in good conductors because they

Options :
  1. are full of electron gas
  2. have no valence band
  3. have large forbidden energy gap
  4. have overlapping valence and conduction bands

Answer and Explanation :-

Answer: Option 4


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Keep me away from the wisdom which does not cry, the philosophy which does not laugh and the greatness which does not bow before children.
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