Electronics Mcqs

MCQ on Semiconductor Diode (Semiconductor Diode Multiple Choice Questions)

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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

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

2 / 45

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

3 / 45

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

4 / 45

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

5 / 45

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

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

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

8 / 45

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

9 / 45

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

10 / 45

A crystal diode is used as ……………

11 / 45

A zener diode is always ………… connected.

12 / 45

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

13 / 45

A zener diode is …………………. device

14 / 45

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

15 / 45

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

16 / 45

A zener diode is used as …………….

17 / 45

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

18 / 45

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

19 / 45

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

20 / 45

A crystal diode is a …………… device

21 / 45

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

22 / 45

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

23 / 45

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

24 / 45

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

25 / 45

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

26 / 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.

27 / 45

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

28 / 45

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

29 / 45

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

30 / 45

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

31 / 45

A crystal diode has ………

32 / 45

A zener diode has ………..

33 / 45

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

34 / 45

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

35 / 45

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

36 / 45

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

37 / 45

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

38 / 45

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

39 / 45

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

40 / 45

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

41 / 45

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

42 / 45

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

43 / 45

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

44 / 45

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

45 / 45

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

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