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What is the primary function of a Zener diode?

Practice Questions

Q1
What is the primary function of a Zener diode?
  1. To rectify AC signals
  2. To allow current to flow in one direction
  3. To regulate voltage
  4. To amplify signals

Questions & Step-by-Step Solutions

What is the primary function of a Zener diode?
  • Step 1: Understand what a Zener diode is. It is a special type of diode used in electronic circuits.
  • Step 2: Know that diodes usually allow current to flow in one direction only.
  • Step 3: Learn that a Zener diode can also allow current to flow in the reverse direction.
  • Step 4: Identify that this reverse flow happens when the voltage reaches a specific level, called the Zener voltage.
  • Step 5: Realize that the main job of a Zener diode is to keep the voltage stable in a circuit, even if the input voltage changes.
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