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DATE:-July 15, 2026
1.
Which of the following personalities gave ‘The Laws of Heredity’?
2.
Name the person who was also known as Deshbandhu.
3.
The colour of an object is decided by
4.
Eritrea, which became the 182nd member of the United Nations in 1993, is on the continent of
5.
Any externally introduced signal affecting the controlled output is called a
6.
Addition of pentavalent impurity to a semiconductor creates many……..
7.
Which of the following does not cause losses in optical fiber cables?
8.
When a pure semiconductor is heated,its resistance …………..
9.
Under which conditions does an initially relaxed system become unstable ?
10.
The impurity level in an extrinsic semiconductor is about…..of pure semiconductor.
11.
Has tendency to oscillate.
12.
A time invariant system is a system whose output
13.
Who is known as “The Saint of Gutters”?
14.
By which of the following the control action is determined when a man walks along a path ?
15.
A control system working under unknown random actions is called
16.
Factor the following polynomial expression: x2 −x−12
17.
The frequency range of 300 kHz to 3000 kHz is known as
18.
Reactance bipolar transistor
19.
The resistivity of a pure silicon is about……………
20.
A semiconductor has generally……………… valence electrons.
21.
For attenuation of high frequencies we should use
22.
To eliminate ghosts in the picture
23.
For a low level AM system, the amplifiers modulated stage must be
24.
Two rectangular waveforms of duration t1 and t2 seconds are convolved. What is the shape of the resulting waveform?
25.
Which of the following devices are commonly used as error detectors in instruments ?
26.
If output power of a radio receiver is doubled, its volume is increased by __________ dB.
27.
Which of the following ratios is equivalent to the ratio 25:300 ?
28.
Manipulate the following equation to solve for x:
29.
An n-type semiconductor is………
30.
An automatic toaster is a ______ loop control system.
31.
The initial response when tne output is not equal to input is called
32.
As the doping to a pure semiconductor increases,the bulk resistance of the semiconductor………..
33.
What is the nature of Fourier representation of a discrete & aperiodic signal?
34.
Convert an angle of 75 degrees into radians:
35.
Commercial Frequency deviation of FM is
36.
In closed loop control system, with positive value of feedback gain the overall gain of the system will
37.
Which of the following statements is not necessarily correct for open control system ?
38.
An FM radio receiver which is tuned to a 91.6 MHz broadcast station may receive an image frequency of __________ MHz.
39.
As per time displacement theorem in Laplace transformation, displacement in the time domain by T becomes
40.
Duality Theorem / Property of Fourier Transform states that _________
41.
A control system in which the control action is somehow dependent on the output is known as
42.
VSB modulation is preferred in TV because
43.
A semiconductor is formed by……… bonds.
44.
In Pulse Code Modulation system
45.
A hole in a semiconductor is defined as…………….
46.
Unilateral Laplace Transform is applicable for the determination of linear constant coecient dierential equations with ________
47.
The random motion of holes and free electrons due to thermal agitation is called ……….
48.
Which crop is sown on the largest area in India?
49.
Themost commonlyused semiconductoris………..
50.
Addition of trivalent impurity to a semiconductor creates many……..
51.
A closed loop system is distinguished from open loop system by which of the following ?
52.
Complex numbers are used in AC circuit analysis primarily to represent:
53.
A woofer should be fed from the input through a
55.
Which of the following statements is correct?
57.
In a semiconductor,current conduction is due to ……..
58.
The resistivity of pure germanium under standard conditionsis about……….
59.
Which property of fourier transform gives rise to an additional phase shift of -2? ftd for the generated time delay in the communication
60.
Which property of periodic signal in DTFS gets completely claried /identied by the equation x (n – n0 )?
61.
A signal g(t) = A then g(t) is a
62.
In an open loop control system
63.
Double integration of a unit step function would lead to
64.
A system is said to be dened as non causal, when
65.
The Fourier series of an odd periodic function contains
66.
In Modulation, “carrier” is
67.
The strength of a semiconductor crystal comes from ……..
68.
The signal dened by the equations f(t) = 0 for t < 0, f(t) = E for 0 ? t ? a and f(t) = 0 for t > a is
70.
A cordless telephone using separate frequencies for transmission in base and portable units is known as
71.
Grand Central Terminal, Park Avenue, New York is the world’s
72.
The sine function is defined as ratio of side lengths,
73.
Which among the following operations is/are not involved /associated with the computation process of linear convolution?
74.
A pentavalent impurity has……….Valence electrons
75.
A modem is classified as low speed if data rate handled is
76.
For telegraphy the most commonly used modulation system is
77.
Which of the following national parks is not listed in a UNESCO World Heritage site?
78.
For open control system which of the following statements is incorrect ?
79.
Solve for both x and y in this simultaneous system of equations: x + 3y = −1, 4x−y = 9
80.
A hole and electron in close proximity would tend to ……….
81.
A car is running at a constant speed of 50 km/h, which of the following is the feedback element for the driver ?
82.
Damped sinusoids are _____
83.
.... is a part of the human temperature control system.
84.
All causal systems must have the component of
85.
If the cosine of angle θ is equal to 0.5, and the length of the opposite side is 20 meters, calculate the length of the hypotenuse.
86.
A good control system has all the following features except
87.
A semiconductor has………… temperature coefficient of resistance.
89.
Positive logic in a logic circuit is one in which
90.
A system which is linear is said to obey the rules of
91.
Garampani sanctuary is located at
92.
Manipulate the following equation to solve for x: a = √bx2
93.
Which of the following is an open loop control system ?
94.
A trivalent impurity has…..valence electrons
95.
When a pentavalent impurity is added to a pure semiconductor,it becomes……
96.
Which type of system response to its input represents the zero value of its initial condition?
97.
.... is a closed loop system.
98.
Which among the following belongs to the category of non-recursive systems?
99.
Which of the following should be done to make an unstable system stable ?
100.
Which of the following is an indirect way of generating FM?
