Diodes and Applications Questions and Answers

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Showing 10 of 64 questions
Q41
A reverse biased diode will act as an open switch.
  • A TRUE
  • B FALSE
Answer: Option A
Q42
If the diode in a series circuit is reverse biased, the resistor will drop all the applied voltage.
  • A TRUE
  • B FALSE
Answer: Option B
Q43
The PIV rating of a diode in a full-wave bridge rectifier is more than that required for a full-wave center-tapped configuration.
  • A TRUE
  • B FALSE
Answer: Option B
Q44
The troubleshooting process for a typical dc power supply contains four steps.
  • A TRUE
  • B FALSE
Answer: Option B
Q45
The number of electrons in a stable atom is the same as the number of protons in its nucleus.
  • A TRUE
  • B FALSE
Answer: Option A
Q46
A rectifying diode can change ac voltage to dc voltage
  • A TRUE
  • B FALSE
Answer: Option A
Q47
The barrier potential is the small difference of potential created by positive and negative ions on either side of the depletion region.
  • A TRUE
  • B FALSE
Answer: Option A
Q48
Dark current is a small reverse current that flows in a photodiode that is receiving no light.
  • A TRUE
  • B FALSE
Answer: Option A
Q49
One of the advantages of using transformer coupling in a half-wave rectifier is that it allows the ac source to be directly connected to the load.
  • A TRUE
  • B FALSE
Answer: Option B
Q50
A zener diode can be used to provide voltage regulation in a power supply.
  • A TRUE
  • B FALSE
Answer: Option A

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