Question # 1

The reverse saturation current in a PN junction diode is only due to

Choose an answer

Majority carriers

Minority Carriers

Acceptor ions

Donor ions

In the forward biases situation, the current flowing across the p-n junction is a few:

Choose an answer

amperes

Milli amperes

Micro amperes

Pico amperes

None of these

In the text book, the transistor amplifier circuit is a:

Choose an answer

Common emitter circuit

Common collector circuit

Common base circuit

Any of these

None of these

In an N-type silicon, which of the following statement is true

Choose an answer

Electrons are majority carriers and trivalent atoms are the dopants

Electrons are minority carriers and pentavalent atoms are the dopants

Holes are minority carriers and pentavalent atoms are the dopants

Holes are majority carriers and trivalent atoms are the dopants

A digital system deals with quantities which has discrete values:

Choose an answer

Two in number

One in number

Three in number

Four in number

None of these

In describing function of digital systems, 1 represents:

Choose an answer

Closed switch

True Statement

Lighted bulb

Only (B) and (C)

All are true

Computer chips are made from:

Choose an answer

Iron

Silicon

Helium

Stontium

Aluminium

To display a digit of EIGHT, the number of ON LED'S are:

Choose an answer

Two

Three

Five

Seven

Eight

A potential barrier of 0.7 V exists across p-n junction made from:

Choose an answer

Germanium

Silicon

Arsenic

Gallium

Indium

Michael Faraday is known by his work on

Choose an answer

Nuclear strong force

Gravitational force

Nuclear weak force

Electric force

None of these

The number of input terminals of an op-amp is:

Choose an answer

One

Two

Three

Four

None of these

Electric field lines emerge from the charges in

Choose an answer

One dimension

Two dimensions

Three dimensions

Four dimensions

None of these

A potential barrier of 0.7V exists across p-n junction made from:

Choose an answer

Germanium

Silicon

Arsenic

Gallium

Indium

Improper biasing of a transistor circuit produces

Choose an answer

Heavy loading of emitter current

Distortion in the output signal

Excessive heat at collector terminal

Faulty location of load line

An electronic computer is basically a vast arrangement of electronic switches which are made from

Choose an answer

Resistors

Transistors

N -type crystals

P-Type crystals

Capacitors

Whenever a covalent bond breaks, it creates:

Choose an answer

An electron

A hole

An electron-hole pair

A positron

All of these

More Classes

Other Links

ECAT Physics Chapter 18 Electronics Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer