MCQ on Semiconductor Diode (Semiconductor Diode Multiple Choice Questions)

June 11, 2021

MCQ on Semiconductor Diode with answers and explanations for placement tests and job interviews. These solved Semiconductor Diode MCQ are useful for the campus placement for all freshers including Engineering Students, MCA students, Computer and IT Engineers, etc.

Our MCQ on Semiconductor Diode (Semiconductor Diode multiple Choice Questions and Answers) focuses on the basic concept of Semiconductor Diode. We will regularly update the quiz and most interesting thing is that questions come in a random sequence. So every time you will feel new questions.

We have already published a blog post that contains short questions related to embedded C. If you want you can also see this blog post. It would help you in your preparation. “Embedded  C Interview Questions”.

So let’s see the set of MCQ on Semiconductor Diode(Multiple Choice Questions & Answers on “Semiconductor Diode”).

Guideline of Semiconductor Diode MCQ:

This MCQ on Semiconductor Diode is intended for checking your knowledge of Transistors. It takes 1 hour to pass the MCQ on Semiconductor Diode. If you don’t finish the Semiconductor Diode MCQ within the mentioned time, all the unanswered questions will count as wrong. You can miss the questions by clicking the “Next” button and return to the previous questions by the “Previous” button. Every unanswered question will count as wrong. MCQ on Semiconductor Diode has features of randomization which feel you a new question set at every attempt.

In this Semiconductor Diode Quiz, we have also implemented a feature that not allowed the user to see the next question or finish the Semiconductor Diode quiz without attempting the current Semiconductor Diode MCQ.

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Semiconductor Diode MCQ

MCQ on Transistors

Semiconductor Diode MCQ

Semiconductor Diode MCQ: Multiple Choice Questions and Answers on Semiconductor Diode

1 / 45

The maximum efficiency of a half-wave rectifier is ………………..

2 / 45

When a crystal diode is used as a rectifier, the most important consideration is ………..

3 / 45

There is a need of transformer for ………………..

4 / 45

When the crystal current diode current is large, the bias is …………

5 / 45

A zener diode is used as …………….

6 / 45

. If the a.c. input to a half-wave rectifier is an r.m.s value of 400/√2 volts, then diode PIV rating is ………………….

7 / 45

A zener diode is always ………… connected.

8 / 45

A crystal diode has forward resistance of the order of ……………

9 / 45

The PIV rating of each diode in a bridge rectifier is ……………… that of the equivalent centre-tap rectifier

10 / 45

When the graph between current through and voltage across a device is a straight line, the device is referred to as ……………….

11 / 45

The ratio of reverse resistance and forward resistance of a germanium crystal diode is about ………….

12 / 45

A crystal diode is used as ……………

13 / 45

The reverse current in a diode is of the order of ……………….

14 / 45

In the breakdown region, a zener didoe behaves like a …………… source.

15 / 45

A series resistance is connected in the zener circuit to………..

16 / 45

The ……………….. filter circuit results in the best voltage regulation

17 / 45

The doping level in a zener diode is …………… that of a crystal diode

18 / 45

A zener diode has ………..

19 / 45

The forward voltage drop across a silicon diode is about …………………

20 / 45

If the PIV rating of a diode is exceeded, ………………

21 / 45

The ripple factor of a half-wave rectifier is …………………

22 / 45

If the doping level in a crystal diode is increased, the width of depletion layer………..

23 / 45

If the doping level of a crystal diode is increased, the breakdown voltage………….

24 / 45

For the same secondary voltage, the output voltage from a centre-tap rectifier is ………… than that of bridge rectifier

25 / 45

A crystal diode has ………

26 / 45

. ……………. rectifier has the lowest forward resistance

27 / 45

The leakage current in a crystal diode is due to …………….

28 / 45

If the temperature of a crystal diode increases, then leakage current ………..

29 / 45

A zener diode utilizes ……….. characteristics for its operation.

30 / 45

The PIV rating of a crystal diode is ………….. that of equivalent vacuum diode

31 / 45

An ideal crystal diode is one which behaves as a perfect ……….. when forward biased.

32 / 45

The most widely used rectifier is ……………….

33 / 45

 The knee voltage of a crystal diode is approximately equal to ………….

34 / 45

A zener diode has ………….. breakdown voltage

35 / 45

A half-wave rectifier has an input voltage of 240 V r.m.s. If the step-down transformer has a turns ratio of 8:1, what is the peak load voltage? Ignore diode drop.

36 / 45

If the arrow of crystal diode symbol is positive w.r.t. bar, then diode is ………….. biased.

37 / 45

The disadvantage of a half-wave rectifier is that the……………….

38 / 45

The d.c. resistance of a crystal diode is ………….. its a.c. resistance

39 / 45

Mains a.c. power is converrted into d.c. power for ……………..

40 / 45

A zener diode is …………………. device

41 / 45

A crystal diode utilises …………….. characteristic for rectification

42 / 45

A zener diode is destroyed if it…………..

43 / 45

A crystal diode is a …………… device

44 / 45

A 1,000 V power supply would use ……….. as a filter capacitor

45 / 45

A 10 V power supply would use …………………. as filter capacitor.

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