Diode
Rectifiers
Power Supply
Voltage Regulators
100
The number of junctions in a diode
one
100
The ripple frequency of HWR
Frequency(in)
100
What is the primary function of a DC power supply?
Convert AC to DC
100
Voltage Regulator depends upon the temperature
No
200
Forward biased PN diode acts as switch in __ state
ON
200
Efficiency of FWR
81.2%
200
A linear power supply primarily uses which component for voltage regulation?
Zener Diode
200
What is the main purpose of a Zener diode in a voltage regulation circuit?
To provide a stable reference voltage
300
Reverse biased PN diode acts as a switch in ____state
OFF
300
What is the output voltage of a Zener diode used as a voltage regulator determined by?
The Zener breakdown voltage
300
Which type of rectifier allows current to flow in one direction only?
All
300
Which parameter is critical when selecting a Zener diode for voltage regulation?
Reverse breakdown voltage
400
The cutin voltage of Si PN diode
0.7 V
400
number of diodes in bridge rectifier
4
400
What is the main disadvantage of using a simple capacitor filter?
High ripple voltage
400
What happens to the output voltage of a linear regulator if the input voltage decreases below the minimum required level?
Output voltage drops
500
The current of PN diode varies _____ with applied forward voltage
exponentially
500
Come and Design a bridge rectifier circuit on the board
500
Which of the following is a common application for a linear voltage regulator?
- A) Battery chargers
- B) Audio amplifiers
- C) Microcontroller power supply
- D) All of the above
All of the above
500
What is the primary disadvantage of using a Zener diode as a voltage regulator?
Inefficiency at high currents