Zener Diode: Special Purpose Semiconductor Diode
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Questions and Answers

What is the primary purpose of a Zener diode?

  • To act as a voltage amplifier
  • To function as a voltage regulator (correct)
  • To serve as a light-emitting device
  • To operate as a forward-biased rectifier

What is the key factor that allows Zener diodes to operate in the breakdown region?

  • High doping concentrations on both sides of the junction (correct)
  • Thin depletion region
  • Forward biasing the diode
  • Applying a high forward voltage

What is the symbol for a Zener diode?

  • A symbol with a breakdown voltage value
  • A standard diode symbol
  • A symbol with a zener mark (correct)
  • A symbol with a variable resistance

How does the thin depletion region in a Zener diode affect its operation?

<p>It allows for higher reverse breakdown currents (C)</p> Signup and view all the answers

What is the primary difference between a Zener diode and a standard diode?

<p>Zener diodes operate in the breakdown region under reverse bias (B)</p> Signup and view all the answers

What is the main reason for heavily doping both the p- and n-sides of the junction in a Zener diode?

<p>To create a thin depletion region (C)</p> Signup and view all the answers

Which of the following statements about the Zener diode is incorrect?

<p>It is primarily used as a voltage amplifier (C)</p> Signup and view all the answers

What is the primary advantage of having a thin depletion region in a Zener diode?

<p>It enables operation at a specific reverse voltage (A)</p> Signup and view all the answers

If the doping levels in a Zener diode were decreased, what would be the expected effect on its performance?

<p>The breakdown voltage would increase (C)</p> Signup and view all the answers

Which of the following statements best describes the symbol for a Zener diode shown in the provided figure?

<p>It represents a Zener diode with a curved line (A)</p> Signup and view all the answers

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