WorksheetsUnderstanding Different Types of Diodes
Total questions: 20
Worksheet time: 10mins
What is the primary function of a PN Junction Diode?
To amplify signals
To allow current to flow in one direction only
To store electrical energy
To convert AC to DC
What is the connection of a PN Junction Diode to make it conduct?
Cathode must be at zero volts
Anode is positive with respect to the cathode
Cathode and anode are at the same potential
Cathode is positive with respect to the anode
Which type of diode is specifically designed to operate in the reverse breakdown region?
Schottky Diode
Zener Diode
Light Emitting Diode
Photodiode
What is the primary application of a Light Emitting Diode (LED)?
To detect light
To emit light
To rectify AC signals
To regulate voltage
Which diode is used for converting alternating current (AC) to direct current (DC)?
Photodiode
Zener Diode
Rectifier Diode
Schottky Diode
What is the main characteristic of a Schottky Diode?
High forward voltage drop
Low forward voltage drop
High reverse breakdown voltage
Emits light when forward biased
In which application would you most likely find a Photodiode?
In a solar panel
In a voltage regulator
In a light bulb
In a radio transmitter
What is the typical forward voltage drop across a silicon PN Junction Diode?
0.3 V
0.7 V
1.2 V
2.0 V
Which diode is commonly used in voltage STABILIZER applications?
Light Emitting Diode
Schottky Diode
Zener Diode
Photodiode
What happens to a Light Emitting Diode (LED) when it is reverse biased?
It emits light
It conducts electricity
It does not conduct electricity
It stores energy
Which of the following diodes is known for its fast switching speed?
Rectifier Diode
Zener Diode
Schottky Diode
Photodiode
What is the primary function of a Rectifier Diode?
To emit light
To convert AC to DC
To detect light
To regulate voltage
Which diode is used in optical communication systems to detect light signals?
Zener Diode
Light Emitting Diode
Photodiode
Schottky Diode
What is the typical reverse breakdown voltage range for a Zener Diode?
0.1 V to 0.5 V
1 V to 5 V
5 V to 200 V
200 V to 500 V
Which of the following is a characteristic of a Photodiode?
It emits light when forward biased
It has a low forward voltage drop
It generates current when exposed to light
It is used for voltage regulation
What is the main advantage of using a Schottky Diode in power applications?
High reverse breakdown voltage
Low power loss due to low forward voltage drop
High current carrying capacity
Ability to emit light
The typical forward and reverse resistance readings shown by DMM indicate a working rectifier diode:
Forward = 150Ω
Reverse = 15KΩ
Forward = 2KΩ
Reverse = 2MΩ
Forward = 2MΩ
Reverse = 150 Ω
Forward = 150Ω
Reverse = 2MΩ
What is Peak Inverse Voltage (PIV)
Maximum withstand Voltage
MInimum voltage required for working
Rated Voltage
Supply voltage
Calculate PIV of diode if rms Voltage is 100 V
100 V
75 V
140 V
200 V
With a given voltage of 400v which diode should the PIV of the diode be rated for?
450 V
350 V
600 V
100 V
