Analog Electronics MCQ

Analogue Transistor

Analogue electronics MCQ provides mock tests in Analog electronics in preparation for professional and competitive examinations. RandomMCQ helps with the theoretical, conceptual, and analytical concepts for self-assessment in Analog Electronics.

Analogue electronics MCQ is a revision guide that covers topics like semiconductor theory, diodes (circuits and applications) transistors (circuits and applications), JFETs (circuits and applications), op-amps (circuits and applications), and basic analog circuit design as applied to audio and radio frequency circuits,like filters, oscillators,etc)

Are you preparing for a professional examination? Board Examinations in electrical and electronics? RandomMCQ is here to help.

RandomMCQ is an online reviewer in engineering that provides hundreds of multiple choice questions in analog electronics. The multiple choice questions will help students familiarize with analog electronics concepts


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Semiconductor Theory

This quiz is intended for checking your  knowledge on the Semiconductor Theory. It takes 20 minutes to pass the quiz. If you don’t finish the quiz 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.. Nevertheless, in case of skipping a question, you simply won’t get points. The Test will display 30 questions attached to the Quiz  by random. You need to get at least 80%  to pass the quiz.
Addition of trivalent impurity to a semiconductor creates many ……..

Reverse breakdown is a condition in which a diode

In a semiconductor, current conduction is due to ……..
The resistivity of pure germanium under standard conditions is about ……….

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

Which of the following doping will produce a p-type semiconductor
A semiconductor is formed by ……… bonds.
When a pure semiconductor is heated, its resistance …………..

The boundary between p-type material and n-type material is called

The strength of a semiconductor crystal comes from ……..
The most commonly used semiconductor is ………..
A hole and electron in close proximity would tend to ……….

Single-element semiconductors are characterized by atoms with ____ valence electrons.

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

What types of impurity atoms are added to increase the number of conduction-band electrons in intrinsic silicon?

The leakage current across a pn junction is due to …………..
A reverse bias pn junction has …………

The maximum number of electrons in each shell of an atom is

An n-type semiconductor is ………

An atom is made up of

A pentavalent impurity has ………. Valence electrons
An intrinsic semiconductor at  absolute zero temperature
A hole in a semiconductor is defined as …………….

Single-element semiconductors are characterized by atoms with ____ valence electrons.

Which statement best describes an insulator?

The resistivity of a pure silicon is about ……………
With a forward bias to a pn junction , the width of depletion layer
The random motion of holes and free electrons due to thermal agitation is called ……….
The barrier voltage at a pn junction for germanium is about ………
In the depletion region of a pn junction, there is a shortage of ……..
In an intrinsic semiconductor, the number of free electrons

The boundary between p-type material and n-type material is called

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

What occurs when a conduction-band electron loses energy and falls back into a hole in the valence band?

In an n-type semiconductor, as temperature T increases, the Fermi level Ef
How is the pn junction formed

Effectively, how many valence electrons are there in each atom within a silicon crystal?

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

The movement of free electrons in a conductor is called

What factor(s) do(es) the barrier potential of a pn junction depend on?

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

There is a small amount of current across the barrier of a reverse-biased diode. This current is called

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

What occurs when a conduction-band electron loses energy and falls back into a hole in the valence band?

Doping of a semiconductor material means

A forward biased pn junction diode has a resistance of the order of
At absolute temperature, an intrinsic semiconductor has
The impurity level in an extrinsic semiconductor is about ….. of pure semiconductor.

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

An n-type semiconductor material

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

The movement of free electrons in a conductor is called

At room temperature, the current in an intrinsic semiconductor is due to

What types of impurity atoms are added to increase the number of conduction-band electrons in intrinsic silicon?

A trivalent impurity has ….. valence electrons
A semiconductor has ………… temperature coefficient of resistance.
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Electronics

Semiconductor Diode

This quiz is intended for checking your  knowledge on  Semiconductor Diodes. It takes 20 minutes to pass the quiz. If you don’t finish the quiz 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.. Nevertheless, in case of skipping a question, you simply won’t get points. The Test will display 30 questions attached to the Quiz out of 60  by random. You need to get at least 24 questions to pass the quiz.

You have an application for a diode to be used in a tuning circuit. A type of diode to use might be

The barrier voltage at a pn junction for germanium is about ………
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.
When the graph between current through and voltage across a
device is a straight line, the device is referred to as ……………….
The maximum efficiency of a half-wave rectifier is ………………..
A crystal diode is used as ……………
The battery connections required to forward bias a pn junction are ……

A reverse-biased diode has the _____ connected to the positive side of the source, and the _____ connected to the negative side of the source.

You have an unknown type of diode in a circuit. You measure the voltage across it and find it to be 0.3 V. The diode might be

The reverse current in a diode is of the order of ……………….
In a semi-conductor diode, electrons flow from:
An ideal crystal diode is one which behaves as a perfect ………..
when forward biased
A 1,000 V power supply would use ……….. as a filter capacitor
If the doping level in a crystal diode is increased, the width of depletion layer………..

An ideal diode presents a(n) _____ when reversed-biased and a(n) _____ when forward-biased.

What type of diode maintains a constant current?

The movement of free electrons in a conductor is called

What type of diode is commonly used in electronic tuners in TVs?

The most widely used rectifier is ……………….
A crystal diode is a …………… device

For a forward-biased diode, the barrier potential _____ as temperature increases.

A diode conducts when it is forward-biased, and the anode is connected to the __________ through a limiting resistor

The d.c. resistance of a crystal diode is ………….. its a.c. resistance
A crystal diode has
A crystal diode utilises …………….. characteristic for rectification

Under normal conditions a diode conducts current when it i

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

How is the pn junction formed

A silicon diode measures a low value of resistance with the meter leads in both positions. The trouble, if any, is

There is a small amount of current across the barrier of a reverse-biased diode. This current is called

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Bipolar Junction Transistors

This quiz is intended for checking your  knowledge on Bipolar Junction transistor. It takes 20 minutes to pass the quiz. If you don’t finish the quiz 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.. Nevertheless, in case of skipping a question, you simply won’t get points. The Test will display 30 questions attached to the Quiz  by random. You need to get at least 21 questions to pass the quiz.

Category: BJT

The element that has the biggest size in a transistor is ………………..

Category: BJT

A transistor has ………………… pn junctions

Category: BJT

The three leads from a PNP transistor are named

Category: BJT

The voltage gain of a transistor connected in common collector arrangement is ………..

Category: BJT

The value of stability factor for a transistor's base resistor bias is …………

Category: BJT

.In a pnp transistor, the current carriers are

Category: BJT

In a transistor, if the temperature increases, the value of VCE …………

Category: BJT

The basic semi-conductor amplifying device is the:

Category: BJT

The stability factor of a collector feedback bias circuit is ……….. that of base resistor bias.

Category: BJT

The phase difference between the input and output voltages of a transistor connected in common emitter arrangement is ……………… degrees.

Category: BJT

In a npn transistor, ……………. are the minority carriers

Category: BJT

For proper operation of the transistor, its collector should have …………

Category: BJT

Most of the majority carriers from the emitter ………………..

Category: BJT

For faithful amplification by a transistor circuit, the value of VBE should ………. for a silicon transistor

Category: BJT

In the design of a biasing circuit, the value of collector load RC is determined by …………

Category: BJT

The collector of a transistor is …………. doped

Category: BJT

The output impedance of a transistor connected in ……………. arrangement is the highest

Category: BJT

The input impedance of a transistor is ………….

Category: BJT

A semi-conductor is described as a "general purpose audio NPN device". This would be:

Category: BJT

If the value of collector current IC increases, then the value of VCE …………

Category: BJT

A transistor in common emitter mode has

Category: BJT

The stabilisation of transistor operating point in potential divider method is provided by ……….

Category: BJT

Transistor biasing is generally provided by a …………….

Category: BJT

In integrated circuits, npn construction is preferred to pnp construction because

Category: BJT

The value of  of a transistor's VBE …………….

Category: BJT

The majority charge carriers in the emitter of an NPN transistor are

Category: BJT

Which configuration has unity voltage gain (ideal)

Category: BJT

Transistor Operating point represents

Category: BJT

If a low level signal is placed at the input to a transistor, a higher level of signal is produced at the output lead. This effect is know as:

Category: BJT

The most commonly used transistor arrangement is ……………arrangement

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