DMRC JE/A.M 2018 Electronics Mini Mock 2 for ESE & GATE EC Exams

Question 1

A_v & β for the circuit is

Question 2

Consider a binary memory less channel characterized by the transition probability diagram shown in the figure.

The channel is

Question 3

The probability density function of a random variable X is given by

Question 4

Which of the following signal will become zero when the feedback signal and reference signal are equal?

Question 5

which of the following statement is incorrect?

Question 6

Minimum number of NAND gates required to implement Boolean function
A+BꞋ+ AꞋB

Question 7

Match column A with column B

Question 8

In a non-magnetic medium (

the magnetic field of an EM wave is

The corresponding electric field is: -

Question 9

By saying that the electrostatic field is conservative, we do not mean :

Question 10

The Ebers-Moll model of a BJT is valid

Question 11

Liquid flow rate is measured using

Question 12

The bridge most suited for measurement of a four-terminal resistance in the range of

is

Question 13

Identify the instrument that does not exist

Question 14

Considering different microwave vacuum tube sources, which of the following is not correct?

Question 15

In which of the following fields, microwave does not have applications?

Question 16

in the root locus for open loop transfer function is G(s)H(s) =

the ‘break away/in points are located at

Question 17

The force on a point charge +q kept at a distance d from the surface of an infinite grounded metal plate in a medium of permittivity

is

Question 18

Which of the following is not an example of convection current?

Question 19

The switching function f (X Y Z Q) = Σm (9, 11, 7 ,3)

Question 20

The resolution for N bit system D/A converter

Question 21

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

Synergy, Sound, Curable, Disease, ?

Question 22

Direction: In a zoo, there are Rabbits and Pigeons. If heads are counted, there are 200 and if legs are counted, there are 580. How many pigeons are there?

Question 23

A person started walking towards west and covered a distance of 15 m, he turned right and walked 10 m. Again he turned right and walked 5 m and in the end he turned left and walked 15 m. which direction is the person facing now?

Question 24

The circumference of a circular playground is 220 m. If there is 7 m wide path around the ground. The area of the path is:

Question 25

What is the value of [1/(1 – tan θ)] – [1/(1 + tan θ)]?

Question 26

In the given figure, ∠AMB = 130° then what is the value (in degrees) of ∠ABQ?

Question 27

Any undesirable change in physical, chemical or biological characteristics of air, land, water or soil is called?

Question 28

Who discovered the colour photography?

Question 29

In the north-west, India shares its land boundaries with which country?

Question 30

The part of the Himalayas lying between Satluj and Kali rivers is known as __________.