Important Question- Answers of Semiconductor Physics

Share this

MCQ on Semiconductor physics

0%
0 votes, 0 avg
6
Created on

Basic electronics

Semiconductor diode/Semiconductor physics

pn junction diode mcq

tail spin

1 / 33

1. Most commonly used Rectifier is

2 / 33

2. Resistance in a diode in Forward bias is

3 / 33

3. Ripple frequency of a half-wave rectifier is

4 / 33

4. Which are responsible of Current flow in a semiconductor

( For Ge energy band gap is 0.72eV)

5 / 33

5. The energy band gap in silicon is.....

6 / 33

6. How many junctions is in a diode

7 / 33

7. The AC component present in output voltage is called

8 / 33

8. Which type of diode is work as a Variable Capacitor?

9 / 33

9. A semiconductor has ……….Temperature Coefficient of resistance

Negative Coefficient Means When increasing the temperature then the resistance will decrease

(formula 0.45xVrms=0.45x 24= 10.8)

10 / 33

10. A half-wave rectifier is connected with input of 24V 50hz AC, What is Output DC voltage?

11 / 33

11. Which type of charge on P-type material

12 / 33

12. As the doping to a pure semiconductor increases, the bulk resistance of the semiconductor

13 / 33

13.  How many diodes in the Center-tap Full wave rectifier

14 / 33

14. Valance electron in a semiconductor

15 / 33

15. Semiconductors in pure forms known as

16 / 33

16. Which is impurity for an N-type material

17 / 33

17. Reverse Breakdown voltage that is Fixed already in the diode

18 / 33

18. A semiconductor is formed by……….. Bonds

19 / 33

19. What is the breakdown voltage of LED?

20 / 33

20. Majority carrier in N-type material

21 / 33

21. The output obtained by the rectifier is

22 / 33

22. Energy gap of a non-conductor is

23 / 33

23. The width of depletion layer in Reverse bias

24 / 33

24. Which of the following is not an active component

Hint

(Indium, Boron, and Gallium have 3) Arsenic Bismuth and phosphorus have 5)

25 / 33

25. Which of the following is Impurity material of valency 3

26 / 33

26. allows DC but it blocks AC

27 / 33

27. What is the work of a Zener Diode ?

28 / 33

28. Atomic no of Germanium

29 / 33

29. Output frequency of a full wave rectifier is 50 Hz, What is input frequency

30 / 33

30. When a Pentavalent impurity is added to a pure semiconductor, it becomes

31 / 33

31. Input frequency of a 3-phase half wave rectifier is 50hz, then output frequency is

32 / 33

32. The conductivity of a semiconductor ………..by adding impurity

33 / 33

33. How many valance electrons are in a Pentavalent impurity?

Your score is

The average score is 28%

0%

Exit

Also read

Concept of Logic Gates

What is Impedance (Impedance vs Resistance)

Share this

Leave a Comment

Your email address will not be published. Required fields are marked *