141 S20 Rectifiers

What is the primary function of a half-wave rectifier?

• a) Convert AC to DC
• b) Convert DC to AC
• c) Regulate DC voltage
• d) Amplify AC signals

How does a half-wave rectifier operate?

• a) It allows both halves of the AC wave to pass through.
• b) It blocks the entire AC wave.
• c) It allows only one-half of the AC wave to pass through.
• d) It inverts the AC wave.

What is the nature of the DC voltage produced by a half-wave rectifier?

• a) Smooth and constant
• b) Pulsating with significant ripple
• c) Alternating
• d) Negative

Why are full-wave rectifiers preferred over half-wave rectifiers in some applications?

• a) They are more cost-effective.
• b) They produce a smoother DC output.
• c) They require fewer diodes.
• d) They are more efficient in converting AC to DC.

What is the function of a full-wave rectifier?

• a) To convert DC to AC
• b) To amplify AC signals
• c) To convert AC to DC
• d) To regulate DC voltage

How many diodes are typically used in a full-wave bridge rectifier?

• a) 1 diode
• b) 2 diodes
• c) 3 diodes
• d) 4 diodes

What type of conversion does a full-wave rectifier achieve?

• a) Efficient and full conversion
• b) Partial conversion
• c) No conversion
• d) Reverse conversion

In which type of electronic devices are bridge rectifiers commonly used?

• a) AC amplifiers
• b) Battery chargers and power supplies
• c) Microwave ovens
• d) Television sets

Which type of rectifier is known for providing stable and smooth DC power?

• a) Half-wave rectifier
• b) Full-wave bridge rectifier
• c) Voltage regulator
• d) Amplifier circuit

What is the primary advantage of using a bridge rectifier in electronic devices?

• a) Low cost
• b) High efficiency
• c) Limited applications
• d) Negative DC output