Zener Diode Multiple Choice Questions Answers

46. In a zener diode

   A.Negative resistance characteristic exists

   B.Forward voltage rating is high

   C.Sharp breakdown occurs at low reverse voltage

   D.All of the above

47. Depletion region contains

   A.Free holes

   B.Free electrons

   C.Immobile charge carriers

   D.All of the above

48. Depletion region behaves as

   A.Semiconductor

   B.An insulator

   C.Conductor

   D.High resistance

49. Holes are available in

   A.Valence band

   B.Forbidden gap

   C.Conduction band

   D.None of the above

50. Odd out the following :

   A.Tunnel diode

   B.Vacuum triode

   C.Backward diode

   D.Gunn diode

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