Quiz on Semiconductor Devices: Diodes

What is the lead connected to the P-type material in a diode called?

• Depletion Zone

• Cathode

• Anode

• Barrier Potential

Which type of diode allows current to flow in both directions?

• Zener Diode

• Standard Diode

• LED

• Photodiode

What is the purpose of a rectifier circuit?

• To measure current

• To convert AC voltage to DC voltage

• To store energy

• To amplify signals

What happens to the depletion zone in a diode when it is forward biased?

• It remains the same

• It disappears

• It shrinks

• It widens

What is the knee voltage for silicon diodes?

• 1.0V

• 0.7V

• 1.5V

• 0.3V

Which type of rectifier uses one diode?

• Full-wave rectifier

• Zener rectifier

• Half-wave rectifier

• Bridge rectifier

What is the primary function of a Zener diode?

• To regulate voltage

• To amplify signals

• To emit light

• To detect light

In a half-wave rectifier, what happens during the negative cycle of the input supply?

• Diode acts as an open switch

• Current flows through the diode

• Voltage increases

• Diode is forward biased

What type of diode is designed to operate in reverse bias?

• LED

• Zener Diode

• Standard Diode

• Rectifier Diode

Which of the following is NOT a type of diode mentioned?

• Laser Diode

• Photodiode

• Thermistor

• Light Emitting Diode