Diode - Diode objective questions and answers


21. The reverse resistance of a P-N junction diode is given by


   A.Forward voltage/ reverse leakage current

   B.Breakdown voltage/ reverse leakage current

   C.Either of the above

   D.None of the above


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B.Breakdown voltage/ reverse leakage current

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22. When the temperature of a P-N junction rises........will increase


   A.Reverse leakage current

   B.Width of depletion layer

   C.Junction barrier voltage

   D.All of the above


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A.Reverse leakage current

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23. The current flow due to applied electric field is known as


   A.Forward current

   B.Drift current

   C.Saturation current

   D.Diffusion current


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B.Drift current

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24. Application of forward bias to a junction diode


   A.Reduces forward current

   B.Reduces minority carrier current

   C.Reduces potential barrier height

   D.All of the above


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C.Reduces potential barrier height

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25. Which of the following are least mobile?


   A.Electrons

   B.Holes

   C.Ions

   D.None of the above


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C.Ions

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