Electronics Mcqs

Our collections of Multiple choice questions and answers focuses on study of Electronics in Physics. These questions are chosen from a collection of most authoritative and best reference books on Physics. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, MDCAT, Teaching jobs Tests and Chemical industry job interviews. One should practice our Mcqs to assimilate knowledge on Electronics in Physics comprehensively.

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16.
Non-inverting amplifier circuits have

A very high input impedance

A very low input impedance

A low output impedance

None of the above

20.
The alternating voltage is an example of

A digital waveform

An analogue waveform

Discrete waveform

None at all

21.
The device or circuit used for conversion of A.C. into D.C. is called

An amplifier.

A rectifier

Filtering circuit

Converter.

22.
The device used for conversion of D.C. to A.C. is called

Converter

A rectifier

Inverter

Oscillator

23.
The electronic circuits which implement the various logic operations are called

Logic gates

Boolean algebra

Amplifier gain

Logic functions

24.
The especially designed semiconductor diodes used as indicator lamps in electronic circuits are

The switch

The light emitting diode

The photo diodes

Solar cells.

25.
The operation of a transistor requires

That the emitter be heated

That the base be heated

That the collector be heated

None of the above

26.
The operational amplifier is

A high gain amplifier

A high-power amplifier

A high resistance amplifier

A low resistance amplifier

27.
The rectangular voltage is an example of

An analogue waveform

Continuous wave form

Electronic waveform

A digital waveform

28.
The semiconductor diode can be used as a rectifier because _

It has low resistance to the current flow when forward biased & high resistance when reverse biased.

It has low resistance to the current flow when forward biased.

It has high resistance to the current flow when reverse biased

Its conductivity increases with rise of temperature.

29.
The simplest type of rectification known as half wave rectification is obtained by

Using a transistor

Suppressing the harmonics in A.C voltage

Suppressing half wave of A.C supply by using diode

Using a Coolidge tube

30.
The specially designed semi-conductor diodes used as fast counters in electronic circuits are

The light emitting diodes

Photo diodes

Photo voltaic cell

Solar cells.

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