Diode - Diode objective questions and answers


1. The knee voltage of a diode approximately is equal to the


   A.Breakdown voltage

   B.Barrier potential

   C.Applied voltage

   D.Forward voltage


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B.Barrier potential

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2. If the bulk resistance of a diode is zero, the graph above the knee becomes


   A.Tilted at 450

   B.Vertical

   C.Horiozontal

   D.None of the above


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B.Vertical

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3. The peak inverse voltage (PIV) is applied across a diode when it is


   A.Forward-biased

   B.Reversed-biased

   C.On a heat sink

   D.ON


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B.Reversed-biased

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4. Zener diode is a


   A.Reserve biased diode

   B.Variable voltage source

   C.Constant current source

   D.Forward biased diode


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A.Reserve biased diode

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5. When biased correctly, a zener diode


   A.Never overheats

   B.Has a constant voltage across it

   C.Has a constant current passing through it

   D.Acts as a fixed resistance


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B.Has a constant voltage across it

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