Reverse biasing of a Zener diode _______

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RRB ALP CBT 2 Electronic Mechanic Previous Paper: Held on 23 Jan 2019 Shift 1
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  1. conducts electricity
  2. does not conduct electricity
  3. amplifies electricity
  4. oscillates

Answer (Detailed Solution Below)

Option 1 : conducts electricity
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Detailed Solution

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Zener diode: 

  • A Semiconductor diode blocks current in the reverse direction but will suffer from premature breakdown or damage if the reverse voltage applied across becomes too high.
  • It can operate continuously without being damaged in the region of reverse biased. 
  • The voltage across the Zener diode is constant in the reverse breakdown region.
  • Hence Zener Diode on reverse Biasing acts as voltage Stabilizer

The I - V characteristic of the Zener diode is shown:

SSC JE EE basic electronics 2 D7

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