Diode - Diode objective questions and answers

6. The turn-on voltage of a Ge junction diode is

   A.1.0 V

   B.0.3 V

   C.0.7 V

   D.0.1 V

7. 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

8. In reverse biased diode, as the reverse voltage decreases the depletion region

   A.Remains same

   B.Decreases

   C.Increases

   D.Depends on doping

9. The Ge diodes can be operated upto a temperature of the order of

   A.60⁰C

   B.100⁰C

   C.150⁰C

   D.280⁰C

10. The forward region of a semiconductor diode characteristic curve is where diode appears as

   A.An OFF switch

   B.A capacitor

   C.A constant current source

   D.An ON switch

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