Diode - Diode objective questions and answers


46. Conduction of electricity through conductor takes place by


   A.Protons

   B.Neutrons

   C.Bound electrons

   D.Free electrons


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D.Free electrons

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47. It is easy to break the covalent bond by thermal energy in case of.....


   A.Carbon

   B.Germanium

   C.Silicon


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B.Germanium

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48. Donor type semi-conductor is formed by adding impurity of..... valency.


   A.2

   B.3

   C.4

   D.5


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D.5

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49. Fermi level represents the energy level with probability of its occupation of


   A.Zero

   B.25 percent

   C.50 percent

   D.100 percent


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C.50 percent

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50. The depletion region a P-N junction is one that is depleted of


   A.Immobile charges

   B.Mobile charges

   C.Atoms


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B.Mobile charges

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