Home Quiz What Is Semiconductor Theory?
What Is Semiconductor Theory? thumbnail
What Is Semiconductor Theory? thumbnail

What Is Semiconductor Theory?

5th - Professional grade
Played 4 times
Physics , Science
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Preview (15 questions)
1 Question
30 seconds
Q.

A semiconductor is formed by _________ bonds.

Covalent

Electrovalent

Co-ordinate
2 Question
30 seconds
Q.

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

Junction capacitance

Minority carriers

Majority carriers
3 Question
30 seconds
Q.

A number of electrons in the valence shell of a semiconductor is:

One

Three 

Four
4 Question
30 seconds
Q.

In ________ semiconductor at room temperature, the number of electrons and holes are equal.

Intrinsic

Extrinsic
5 Question
30 seconds
Q.

Which of the following gate is not a universal gate?

OR

NOT

NAND
6 Question
30 seconds
Q.

Addition of ___________ impurity to a semiconductor creates many free electrons.

Pentavalent

Holes

Electrovalent
7 Question
30 seconds
Q.

When a pure semiconductor is heated, its resistance _________.

Goes up

Goes down

Nothing happens
8 Question
30 seconds
Q.

The device used for the voltage regulator is a _________.

Tunnel diode

Normal diode

Zener diode
9 Question
30 seconds
Q.

An _________ is a light-sensitive device that converts light energy into electrical energy.

Optical detector

Ionization

Smoke detector
10 Question
30 seconds
Q.

With forwarding bias to a PN junction, the width of depletion layer ________.

Increases

Decreases

Remains the same
11 Question
30 seconds
Q.

The material most commonly used to manufacture electronic solid-state devices is ________.

Copper

Germanium

Silicon
12 Question
30 seconds
Q.

To obtain electrons as majority charge carriers in semiconductors the impurity mixed is:

Divalent

Trivalent

Pentavalent
13 Question
30 seconds
Q.

The strength of a semiconductor crystal comes from _________.

Forces between nuclei

Forces between protons

Electron-pair bonds
14 Question
30 seconds
Q.

A hole in a semiconductor is defined as ________.

A free-electron

The incomplete part of an electron pair bond

A free proton
15 Question
30 seconds
Q.

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

Attract each other

Repel each other

Have no effect on each other
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