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Q1:

The H quantity is analogous to which component in the following?

Tags:

Section:

Electromagnetics (EMFT) ECE

Options:

B

D

E

V

Q2:

Ampere law states that,

Tags:

Section:

Electromagnetics (EMFT) ECE

Options:

Divergence of H is same as the flux

Curl of D is same as the current

Divergence of E is zero

Curl of H is same as the current density

Q3:

The unwanted characteristics of amplifier output apart from the desired output is collectively termed as ___________

Tags:

Section:

Analog Circuits

Options:

Inefficiency

Damage

Fault

Distortion

Q4:

Which device was used for the amplification of audio signals before the invention of power amplifiers?

Tags:

Section:

Analog Circuits

Options:

Diode

Op-amp

Vacuum Tube

SCR

Q5:

Which of the following is correct for Digital Circuits?

Tags:

Section:

Digital Circuits

Options:

Less susceptible to noise or degradation in quality

Use transistors to create logic gates to perform Boolean logic

Easier to perform error detection and correction with digital signal

All of the mentioned

Q6:

What is a Circuit?

Tags:

Section:

Digital Circuits

Options:

Open-loop through which electrons can pass

Closed-loop through which electrons can pass

Closed-loop through which Neutrons can pass

None of the mentioned

Q7:

Which circuit is called as regenerative repeaters?

Tags:

Section:

Digital Communication

Options:

Analog circuits

Digital circuits

Amplifiers

A/D converters

Q8:

What are the advantages of digital circuits?

Tags:

Section:

Digital Communication

Options:

Less noise

Less interference

More flexible

All of the mentioned

Q9:

Multimode step index fiber has ___________

Tags:

Section:

Optical Fiber Communication

Options:

Large core diameter & large numerical aperture

Large core diameter and small numerical aperture

Small core diameter and large numerical aperture

Small core diameter & small numerical aperture

Q10:

Multimode step index fiber has a large core diameter of range is ___________

Tags:

Section:

Optical Fiber Communication

Options:

100 to 300 μm

100 to 300 nm

200 to 500 μm

200 to 500 nm

Q11:

Energy per unit charge is ____________

Tags:

Section:

Network Theory

Options:

Power

Voltage

Current

Capacitance

Q12:

A conductor is said to have resistance of one ohm if a potential difference of one volt across its terminals causes a current of X ampere to flow through it. What will be the value of X?

Tags:

Section:

Network Theory

Options:

4

2

3

1

Q13:

How many elements are essential for any communication system?

Tags:

Section:

Communication Systems

Options:

3

2

4

7

Q14:

Which among the following can be an input to a transmitter?

Tags:

Section:

Communication Systems

Options:

Voice signal

Electric signal

Light signal

Wave signal

Q15:

What is Control System?

Tags:

Section:

Control Systems ECE

Options:

Control system is a system in which the output is controlled by varying the input

Control system is a device that will not manage or regulate the behaviour of other devices using control loops

Control system is a feedback system that can be both positive and negative

Control System is a system in which the input is controlled by varying the output

Q16:

Which of the following is not the feature of a modern control system?

Tags:

Section:

Control Systems ECE

Options:

Correct power level

No oscillation

Quick response

Accuracy

Q17:

What is Microprocessor?

Tags:

Section:

Microprocessor

Options:

A multipurpose PLD that accepts binary data as input

A multipurpose PLD that accepts an integer as input

A multipurpose PLD that accepts whole numbers as input

A multipurpose PLD that accepts prime numbers as input

Q18:

Which of the following is a type of microprocessor?

Tags:

Section:

Microprocessor

Options:

CISC

RISC

EPIC

All of mentioned

Q19:

Which of the following is a type of microprocessor?

Tags:

Section:

Microprocessor

Options:

CISC

RISC

EPIC

All of mentioned

Q20:

A Differential Amplifier should have collector resistor’s value (RC1 & RC2) as

Tags:

Section:

Linear Integrated Circuits

Options:

5kΩ, 5kΩ

5Ω, 10kΩ

5Ω, 5kΩ

5kΩ, 10kΩ

Q21:

A Differential Amplifier amplifies

Tags:

Section:

Linear Integrated Circuits

Options:

Input signal with higher voltage

Input voltage with smaller voltage

Sum of the input voltage

None of the mentioned

Q22:

What is Mobile communication?

Tags:

Section:

Wireless Sensor Network

Options:

Allows to communicate from different locations without the use of physical medium

Allows to communicate from different locations with the use of physical medium

Allows to communicate from same locations without the use of physical medium

Allows to communicate from same locations with the use of physical medium

Q23:

Which of the following is a type of wireless communication?

Tags:

Section:

Wireless Sensor Network

Options:

LAN

WAN

PAN

All of the mentioned

Q24:

Which of the following is a type of wireless communication?

Tags:

Section:

Wireless Sensor Network

Options:

LAN

WAN

PAN

All of the mentioned

Q25:

Which among the following can be an input to a transmitter?

Tags:

Section:

Communication System ECE

Options:

Voice signal

Electric signal

Light signal

Wave signal

Q26:

Which of the following is the reason for signal distortion?

Tags:

Section:

Communication System ECE

Options:

Speed of the signal

Wearing down of the essential elements

Absence of a channel

Channel imperfection

Q27:

Tick the correct statement.

Tags:

NERIST_ECE

Section:

Data Compression

Options:

The property of instantaneous decoding is a requirement for unique decodability.

The property of instantaneous decoding is same as unique decoding.

The property of instantaneous decoding is not a requirement for unique decodability.

Q28:

Tick the correct statement.

Tags:

NERIST_ECE

Section:

Data Compression

Options:

A code in which no code word is a prefix to another codeword is not called a prefix code.

A code in which no code word is a prefix to another codeword is called a prefix code.

A code in which a code word is a prefix to another codeword is called a prefix code.

ECE - Practice Mock Test 1