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DATE:-May 26, 2026
1.
The initial response when tne output is not equal to input is called
2.
Commercial Frequency deviation of FM is
3.
Manipulate the following equation to solve for x:
4.
Has tendency to oscillate.
5.
An FM radio receiver which is tuned to a 91.6 MHz broadcast station may receive an image frequency of __________ MHz.
6.
The random motion of holes and free electrons due to thermal agitation is called ……….
7.
Which among the following belongs to the category of non-recursive systems?
8.
For open control system which of the following statements is incorrect ?
9.
Under which conditions does an initially relaxed system become unstable ?
10.
Which of the following personalities gave ‘The Laws of Heredity’?
12.
The colour of an object is decided by
13.
A semiconductor is formed by……… bonds.
14.
Solve for both x and y in this simultaneous system of equations: x + 3y = −1, 4x−y = 9
15.
An automatic toaster is a ______ loop control system.
16.
A control system working under unknown random actions is called
17.
A woofer should be fed from the input through a
18.
The Fourier series of an odd periodic function contains
19.
When a pentavalent impurity is added to a pure semiconductor,it becomes……
20.
Complex numbers are used in AC circuit analysis primarily to represent:
21.
A hole and electron in close proximity would tend to ……….
22.
Addition of pentavalent impurity to a semiconductor creates many……..
23.
A semiconductor has generally……………… valence electrons.
24.
In a semiconductor,current conduction is due to ……..
25.
In Pulse Code Modulation system
26.
As the doping to a pure semiconductor increases,the bulk resistance of the semiconductor………..
27.
Reactance bipolar transistor
29.
.... is a closed loop system.
30.
Which of the following national parks is not listed in a UNESCO World Heritage site?
31.
In closed loop control system, with positive value of feedback gain the overall gain of the system will
32.
By which of the following the control action is determined when a man walks along a path ?
33.
A pentavalent impurity has……….Valence electrons
34.
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
35.
The strength of a semiconductor crystal comes from ……..
36.
Unilateral Laplace Transform is applicable for the determination of linear constant coecient dierential equations with ________
37.
In Modulation, “carrier” is
38.
Double integration of a unit step function would lead to
39.
For a low level AM system, the amplifiers modulated stage must be
40.
Name the person who was also known as Deshbandhu.
41.
The impurity level in an extrinsic semiconductor is about…..of pure semiconductor.
42.
A closed loop system is distinguished from open loop system by which of the following ?
43.
Which crop is sown on the largest area in India?
44.
VSB modulation is preferred in TV because
45.
What is the nature of Fourier representation of a discrete & aperiodic signal?
46.
Factor the following polynomial expression: x2 −x−12
47.
Manipulate the following equation to solve for x: a = √bx2
48.
Which of the following ratios is equivalent to the ratio 25:300 ?
49.
A time invariant system is a system whose output
50.
Which of the following devices are commonly used as error detectors in instruments ?
51.
A system which is linear is said to obey the rules of
52.
Addition of trivalent impurity to a semiconductor creates many……..
53.
Eritrea, which became the 182nd member of the United Nations in 1993, is on the continent of
55.
For attenuation of high frequencies we should use
56.
If output power of a radio receiver is doubled, its volume is increased by __________ dB.
57.
Grand Central Terminal, Park Avenue, New York is the world’s
58.
Garampani sanctuary is located at
59.
Which of the following is an open loop control system ?
60.
All causal systems must have the component of
61.
Which among the following operations is/are not involved /associated with the computation process of linear convolution?
62.
The resistivity of a pure silicon is about……………
63.
A trivalent impurity has…..valence electrons
64.
Which of the following should be done to make an unstable system stable ?
65.
Which of the following statements is not necessarily correct for open control system ?
66.
To eliminate ghosts in the picture
67.
A good control system has all the following features except
68.
A car is running at a constant speed of 50 km/h, which of the following is the feedback element for the driver ?
69.
Who is known as “The Saint of Gutters”?
70.
Which of the following statements is correct?
71.
A modem is classified as low speed if data rate handled is
72.
As per time displacement theorem in Laplace transformation, displacement in the time domain by T becomes
74.
When a pure semiconductor is heated,its resistance …………..
75.
Damped sinusoids are _____
76.
For telegraphy the most commonly used modulation system is
77.
.... is a part of the human temperature control system.
78.
A system is said to be dened as non causal, when
79.
Which of the following does not cause losses in optical fiber cables?
80.
Positive logic in a logic circuit is one in which
81.
Two rectangular waveforms of duration t1 and t2 seconds are convolved. What is the shape of the resulting waveform?
82.
Which property of fourier transform gives rise to an additional phase shift of -2? ftd for the generated time delay in the communication
83.
A signal g(t) = A then g(t) is a
84.
A semiconductor has………… temperature coefficient of resistance.
85.
Duality Theorem / Property of Fourier Transform states that _________
86.
Which property of periodic signal in DTFS gets completely claried /identied by the equation x (n – n0 )?
87.
Any externally introduced signal affecting the controlled output is called a
88.
Convert an angle of 75 degrees into radians:
89.
The frequency range of 300 kHz to 3000 kHz is known as
90.
The resistivity of pure germanium under standard conditionsis about……….
91.
In an open loop control system
92.
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.
93.
Themost commonlyused semiconductoris………..
94.
A hole in a semiconductor is defined as…………….
95.
An n-type semiconductor is………
96.
Which of the following is an indirect way of generating FM?
97.
The sine function is defined as ratio of side lengths,
98.
Which type of system response to its input represents the zero value of its initial condition?
99.
A cordless telephone using separate frequencies for transmission in base and portable units is known as
100.
A control system in which the control action is somehow dependent on the output is known as
