Electronics Mcqs

MCQ on Semiconductor Theory (Semiconductor Theory Multiple Choice Questions)

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

Our MCQ on Semiconductor Theory (Semiconductor Theory multiple Choice Questions and Answers) focuses on the basic concept of Semiconductor Theory. 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 Theory (Multiple Choice Questions & Answers on “Semiconductor Theory”).

Guideline of Semiconductor Theory MCQs:

This MCQ on Semiconductor Theory is intended for checking your knowledge of Semiconductor Theory. It takes 40 minutes to pass the MCQ on Semiconductor Theory. If you don’t finish the Semiconductor Theory 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 Theory has features of randomization which feel you a new question set at every attempt.

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

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You have 40 minutes to take the Semiconductor Theory MCQs

Semiconductor Theory MCQ

MCQ on Transistors

Semiconductor Theory MCQ

1 / 37

The most commonly used semiconductor is ………..

2 / 37

At absolute temperature, an intrinsic semiconductor has ……….

3 / 37

With forward bias to a pn junction , the width of depletion layer ………

4 / 37

The barrier voltage at a pn junction for germanium is about ………

5 / 37

A semiconductor is formed by ……… bonds.

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Addition of trivalent impurity to a semiconductor creates many ……..

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A semiconductor has ………… temperature coefficient of resistance.

8 / 37

In an intrinsic semiconductor, the number of free electrons ………

9 / 37

The resistivity of pure germanium under standard conditions is about ……….

10 / 37

A reverse bias pn junction has …………

11 / 37

The strength of a semiconductor crystal comes from ……..

12 / 37

A hole in a semiconductor is defined as …………….

13 / 37

In the depletion region of a pn junction, there is a shortage of ……..

14 / 37

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

15 / 37

The term bias in electronics usually means ……….

16 / 37

When a pure semiconductor is heated, its resistance …………..

17 / 37

Under normal conditions a diode conducts current when it is ……………

18 / 37

When a pentavalent impurity is added to a pure semiconductor, it becomes ………

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A trivalent impurity has ….. valence electrons

20 / 37

A reverse biased pn junction has resistance of the order of

21 / 37

A semiconductor has generally ……………… valence electrons.

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The impurity level in an extrinsic semiconductor is about ….. of pure semiconductor.

23 / 37

The random motion of holes and free electrons due to thermal agitation is called ……….

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At room temperature, an intrinsic semiconductor has ……….

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A hole and electron in close proximity would tend to ……….

26 / 37

A forward biased pn junction diode has a resistance of the order of

27 / 37

The leakage current across a pn junction is due to …………..

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An n-type semiconductor is ………

29 / 37

When the temperature of an extrinsic semiconductor is increased, the pronounced effect is on……

30 / 37

Addition of pentavalent impurity to a semiconductor creates many ……..

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The leakage current in a pn junction is of the order of

32 / 37

The battery connections required to forward bias a pn junction are ……

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A pn junction acts as a ……….

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The resistivity of a pure silicon is about ……………

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At room temperature, an intrinsic silicon crystal acts approximately as ……

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In a semiconductor, current conduction is due to ……..

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A pentavalent impurity has ………. Valence electrons

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