Linear DC Power Supply Quiz

What is the main purpose of a power supply unit?

• To filter the output signal

• To convert AC input power to DC power

• To generate AC power

• To amplify the input signal

Which component is responsible for converting the AC input voltage to DC pulsating output voltage in a DC Power Supply?

• Transformer

• Regulator

• Rectifier

• Filter

What is the function of a rectifier in a DC Power Supply?

• To divide the DC voltage as needed

• To decrease the ripple voltage to zero

• To convert AC input voltage to DC pulsating output voltage

• To step down the AC input voltage

Which type of rectifier produces one sine pulse for each cycle of the input sine wave?

• Half wave rectifier

• Full wave rectifier

• Bridge rectifier

• Zener diode rectifier

What is the purpose of a filter circuit in a DC Power Supply?

• To convert DC to AC voltage

• To increase the ripple voltage

• To smooth the output voltage

• To amplify the output signal

What is the function of a voltage regulator in a DC Power Supply?

• To maintain a constant output voltage

• To convert AC to DC voltage

• To decrease the ripple voltage

• To increase the output voltage

What is the purpose of a voltage divider circuit in electronic equipment?

• To amplify the output signal

• To divide the DC voltage as needed

• To convert DC to AC voltage

• To increase the input voltage

Which type of voltage regulator circuit uses the Integrated Circuit LM7805?

• LM Series 78XX

• Zener Diodes

• Serial Transistor

• Bridge Rectifier

What is the effect of using a larger capacitor in a filter circuit?

• Decreases the output voltage

• Causes voltage fluctuations

• Reduces the ripple voltage

• Increases the ripple voltage

What is the function of the transformer in a DC Power Supply?

• To convert AC to DC voltage

• To regulate the output voltage

• To step down the AC input voltage

• To divide the DC voltage as needed