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Eduncle posted an MCQ
December 24, 2019 • 17:49 pm 0 points
  • CSIR NET
  • Physical Sciences

A silicon crystal is doped with phosphorus atoms. (The binding energy of a H atom is 13.6 eV, the dielectric constant of silicon is 12 and the effective mass of electrons in the crystal is 0.4 me). The gap between the donor energy level and the bottom of the conduction band is nearest to

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