Zener Diode Multiple Choice Questions Answers


41. In a Zener diode with high breakdown voltage


   A.Both P and N are heavily doped

   B.Both P and N are lightly doped

   C.Either P or N is lightly doped

   D.None of the above


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B.Both P and N are lightly doped

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42. In Zener diode, the Zener breakdown takes place


   A.Above 6 V

   B.Below 6 V

   C.At 6 V

   D.None of the above


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B.Below 6 V

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43. The current in a Zener diode is controlled by


   A.Zener diode resistance

   B.Potential barrier

   C.Reverse bias voltage

   D.External circuits


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D.External circuits

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44. A zener diode when biased correctly


   A.Acts as a fixed resistance

   B.Never overheats

   C.Has a constant voltage across it

   D.Has a constant current passing through it


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C.Has a constant voltage across it

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45. In Zener diode, the breakdown is due to Zener, has doping


   A.Lowest

   B.Moderate

   C.High

   D.Low


✔ View Answer


C.High

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