Semiconductor - Semiconductor objective questions and answers

31. The atomic number of germanium is.......

   A.4

   B.8

   C.16

   D.32

32. Which of the following elements belog to the same group of periodic tables as that of silicon and germanium

   A.Phosphorous

   B.Carbon

   C.Sodium

   D.Boron

33. ......... is used to describe the static V/I characteristic of a junction diode

   A.Bolzmann diode equation

   B.Richardson-Dushman equation

   C.Child's Three half-power law

   D.Einstein's photoelectric equation

34. Acceptor-type impurities

   A.Can be added to silicon but not to germanium

   B.Create excess electrons

   C.Must have three velence electrons

   D.Must have five valence electrons

35. The movement of a hole results from.......

   A.Excitation due to high temperature

   B.Change in number of protons in the atom

   C.The vacancy filled by a valence electron from the neighbouring atom

   D.None of above

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