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

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

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

4. Zener diode is a

   A.Reserve biased diode

   B.Variable voltage source

   C.Constant current source

   D.Forward biased diode

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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