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Zener Diode: Special Purpose Semiconductor Diode

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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?

It allows for higher reverse breakdown currents Signup and view all the answers

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

Zener diodes operate in the breakdown region under reverse bias 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?

To create a thin depletion region Signup and view all the answers

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

It is primarily used as a voltage amplifier Signup and view all the answers

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

It enables operation at a specific reverse voltage 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?

The breakdown voltage would increase Signup and view all the answers

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

It represents a Zener diode with a curved line Signup and view all the answers