Electronics-Diodes and Applications

Electronics-Diodes and Applications
41. A reverse biased diode will act as an open switch.
  • TRUE
  • FALSE
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42. If the diode in a series circuit is reverse biased, the resistor will drop all the applied voltage.
  • TRUE
  • FALSE
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43. The PIV rating of a diode in a full-wave bridge rectifier is more than that required for a full-wave center-tapped configuration.


  • TRUE
  • FALSE
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44. The troubleshooting process for a typical dc power supply contains four steps.
  • TRUE
  • FALSE
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45. The number of electrons in a stable atom is the same as the number of protons in its nucleus.
  • TRUE
  • FALSE
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46. A rectifying diode can change ac voltage to dc voltage
  • TRUE
  • FALSE
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47. The barrier potential is the small difference of potential created by positive and negative ions on either side of the depletion region.
  • TRUE
  • FALSE
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48. Dark current is a small reverse current that flows in a photodiode that is receiving no light.
  • TRUE
  • FALSE
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49. 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.
  • TRUE
  • FALSE
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50. A zener diode can be used to provide voltage regulation in a power supply.
  • TRUE
  • FALSE
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Electronics
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