Diode and Application Electronics MCQs

“Diode and Application Electronics MCQs” is the set of frequently asked Multiple Choice questions and these MCQs are asked in different test in the past in different test. Here, we are presenting those MCQs in a different style. Let’s begin with Set 1.

Set 1: Diode and Application MCQs – FAQ in GRE

1. That eliminates fluctuation in a rectified voltage and produce a relatively smooth DC voltage, a component called
A. Filter
B. Rectifier
C. Modulator
D. Amplifier
E. All of the above
F. None of the above

A. 0.7 V
B. 3.4 V
C. 4.3 V
D. 3 V
E. 5 V
F. None of the above

3. Linear regulation devices that have
A. Two terminals
B. Three terminals
C. One terminal
D. Four terminal
E. Five terminal
F. None of the above

4. if the peak voltage applied as input is 100v, then the output voltage will be
A. 100V
B. 90V
C. 9V
D. 100.7V
E. 99.3V

F. All of the above

5. ______ device is used  to couple AC input from source to the rectifier is
A. Rectifier
B. Modulator
C. Amplifier
D. Transformer
E. Filter
F. None of the above

6. A transformer that is required to create a 180-degree input to the rectifier is
A. Stepped up secondary
B. Center tapped secondary
C. Step down secondary
D. Split window primary
E. All of the above
F. None of the above

A. Lower current
B. High resistance
C. High power(heat)
D. Lower voltage
E. All of the above
F. None of the above

A. Regulator
B. Filter
C. Transformer
D. Rectifier
E. Both b & c
F. None of the above

9. A crystal diode consists of
A. One PN Junction
B. Two PN Junction
C. Four PN Junction
D. Three PN Junction
E. All of the above
F. None of the above

10. When the arrow of a crystal diode is positive w.r.t. bar, then the diode is?
A. Forward bias
B. Reverse bias
C. Neither forward nor reverse
D. Either forward or reverse
E. Both forward and reverse
F. None of the above

11. The order of reverse current in a diode is
A. A
B. μA
C. mA
D. KA
E. All of the above
F. None of the above

12. When an ideal crystal is forward bias is one which behaves as perfect
A. Insulator
B. Resistance material
C. conductor
D. Transformer
E. all of the above
F. None of the above

13. When full-wave rectified voltage with apeak value of 60v then average value equal to
A. 12.45V
B. 38.12V
C. 32.14V
D. 23V
E. 23.13V
F. None of the above

A. 2 diodes
B. 3 diodes
C. 1 diode
D. 4 diodes
E. 5 diodes
F. None of the above