Zener Diode Voltage Regulator

What is the main function of a Zener diode in a circuit?

• To amplify signals

• To regulate voltage

• To store energy

• To convert AC to DC

Which characteristic of the Zener diode allows it to maintain a constant voltage across it?

• Forward bias

• Reverse bias breakdown

• Capacitance

• Resistance

In a Zener diode voltage regulator circuit, where is the load connected?

• Before the Zener diode

• After the Zener diode

• Parallel to the Zener diode

• In series with the Zener diode

What happens if the input voltage in a Zener diode voltage regulator circuit exceeds the Zener voltage?

• The Zener diode stops conducting

• The Zener diode acts as a short circuit

• The Zener diode burns out

• The Zener diode regulates the voltage

Which symbol represents a Zener diode in a circuit diagram?

• Triangle

• Square

• Z

• D

What type of bias is applied to a Zener diode for it to operate in the breakdown region?

• Forward bias

• Reverse bias

• Zero bias

• Alternating bias

The breakdown voltage of a Zener diode is also known as:

• Avalanche voltage

• Surge voltage

• Spike voltage

• Ripple voltage

What is the typical voltage range for Zener diodes used as voltage regulators?

• 0.1V - 0.5V

• 1V - 5V

• 5V - 10V

• 10V - 200V

How does temperature affect the voltage regulation of a Zener diode?

• It has no effect

• Higher temperature increases regulation

• Higher temperature decreases regulation

• Temperature makes the Zener diode switch off

Which of the following is a disadvantage of using Zener diodes as voltage regulators?

• High efficiency

• Poor stability

• Limited current handling capacity

• Long lifespan