WorksheetsLinear DC Power Supply Quiz
Total questions: 15
Worksheet time: 15mins
What does a transformer do?
Stores energy
Converts AC to DC
Transfers power between coils
Regulates voltage
What type of rectifier allows current to flow only during one half of the AC cycle?
Full-wave Rectifier
Bridge Rectifier
Zener Rectifier
Half-wave Rectifier
Which component is used to smooth out the output of a rectifier?
Diode
Transformer
Regulator
Filter
What is the purpose of a voltage regulator?
To convert AC to DC
To maintain constant voltage
To increase voltage
To decrease voltage
What type of filter consists of a capacitor and an inductor?
RC Filter
LC Filter
π Filter
Capacitor Filter
What does a Zener diode do in a voltage regulator?
Stores energy
Decreases voltage
Increases voltage
Maintains constant voltage
What is the output of a full-wave rectifier during the negative half-cycle?
Negative voltage
Positive voltage
Zero voltage
Pulsating voltage
What is the main function of a voltage divider?
To increase voltage
To decrease voltage
To convert AC to DC
To stabilize voltage
What happens to the capacitor in a capacitor filter during the positive half-cycle?
It remains neutral
It breaks down
It charges
It discharges
What is the output voltage of a 7805 IC regulator?
-12 volts
+5 volts
+12 volts
-5 volts
What type of transformer increases voltage?
Step-Down Transformer
Step-Up Transformer
Half-wave Transformer
Full-wave Transformer
What is the purpose of a bridge rectifier?
To filter voltage
To convert AC to DC
To divide voltage
To regulate voltage
What does Vrms stand for?
Voltage root mean square
Voltage regular mean square
Voltage real mean square
Voltage reverse mean square
What is the output of a half-wave rectifier during the negative half-cycle?
Zero voltage
Positive voltage
Negative voltage
Pulsating voltage
What is the function of the load resistor (RL) in a filter circuit?
To decrease voltage
To increase voltage
To provide a path for current
To store energy
