Voltage Regulator Quiz

What is the primary function of a voltage regulator?

• To decrease load current

• To maintain a fixed output voltage

• To convert AC to DC

• To increase input voltage

What does the '7905' IC signify?

• It is a high current regulator

• It provides -5V output

• It is a positive voltage regulator

• It provides +5V output

Which type of voltage regulator has the control element in series with the load?

• Series Voltage Regulator

• Shunt Voltage Regulator

• Linear Voltage Regulator

• Zener Voltage Regulator

What is the main difference between line regulation and load regulation?

• Load regulation is not important

• Line regulation deals with input voltage changes

• Load regulation deals with input voltage changes

• Line regulation deals with load changes

Which component is commonly used as a constant-voltage device?

• Transistor

• Capacitor

• Resistor

• Zener diode

What type of output does a rectifier provide?

• Constant DC output

• Pulsating DC output

• AC output

• High voltage output

Which of the following is a characteristic of a shunt voltage regulator?

• Good voltage regulation

• High current, low voltage rating

• High efficiency

• Control element in series with load

What is the output of a 7805 voltage regulator?

• +12V

• +5V

• 0V

• -5V

Which type of voltage regulator is known for poor voltage regulation?

• Linear Voltage Regulator

• Zener Voltage Regulator

• Series Voltage Regulator

• Shunt Voltage Regulator

What does a voltage regulator provide in terms of protection?

• Only short circuit protection

• Overload and short circuit protection

• Only overload protection

• No protection