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


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C.Sharp breakdown occurs at low reverse voltage

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47. Depletion region contains


   A.Free holes

   B.Free electrons

   C.Immobile charge carriers

   D.All of the above


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C.Immobile charge carriers

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48. Depletion region behaves as


   A.Semiconductor

   B.An insulator

   C.Conductor

   D.High resistance


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B.An insulator

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49. Holes are available in


   A.Valence band

   B.Forbidden gap

   C.Conduction band

   D.None of the above


✔ View Answer


A.Valence band

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50. Odd out the following :


   A.Tunnel diode

   B.Vacuum triode

   C.Backward diode

   D.Gunn diode


✔ View Answer


C.Backward diode

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