Name the diode which can act as a voltage regulator. Explain its working with the help of its labelled circuit diagram. Draw its V – I characteristic.

 

 
 
 
 
 

Answers (1)
S safeer

  • Zener diode can act as a voltage regulator.
  • Zener diode is designed to operate under reverse bias in the breakdown region and used as a voltage regulator.
  • Zener diode is fabricated by heavily doping both 'n' and 'p' regions
  • When the applied reverse bais voltage reaches the breakdown voltage (Vz) of Zener diode, there is a large change in the current
  •  Zener voltage remains constant even though current through the Zener diode varies one a wide range
  •  This property of Zener diode is used for regulating voltage.

 

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