Diodes & Rectifiers Quiz

What is the primary function of a diode?

• To amplify signals
• To store energy
• To allow current to flow in one direction
• To emit light

What type of diode emits light when current flows through it?

• Zener diode
• LED
• Schottky diode
• Tunnel diode

In a rectifier circuit, what is the purpose of the diode?

• To filter the signal
• To convert AC to DC
• To store charge
• To amplify the signal

In a half-wave rectifier, how many diodes are used?

• Three

• Two

• One

• Four

Which component is commonly used to smooth the output of a rectifier circuit?

• Resistor
• Inductor
• Capacitor
• Transistor

What is the name of a rectifier circuit that uses four diodes?

• Half-wave rectifier
• Full-wave bridge rectifier
• Zener rectifier
• Schottky rectifier

What type of current does a rectifier convert to?

• Alternating Current (AC)
• Direct Current (DC)
• Pulsating Current
• Static Current

What is the main advantage of a full-wave rectifier over a half-wave rectifier?

• Higher efficiency
• Lower cost
• Simpler design
• Uses fewer diodes

What happens to the voltage drop across a forward-biased silicon diode?

• It becomes zero
• It increases
• It remains constant around 0.7V
• Nothing

What is the reverse breakdown voltage of a typical Zener diode?

• 0.7V
• 5V
• 10V
• It varies based on the specific diode