want toppers notes/study material mail us
TRANSCRIPT
HOME
MY TEST
MY PROFILE
BUY PACKAGE
Ask an Expert
SCORE CARD TIME MANAGEMENT QUESTIONS REPORT SOLUTION
Solution Report For Full Syllabus Test2Represent whole test solution with correct and incorrect answers.
View Your Test Analysis
Q. No Question Status
Q.1
Attempt Incorrect Your Ans. b Correct Ans. cSolutionHave any doubt?FAQ?Video Solution
Choose the most appropriate pair of options given below to complete the
following sentence.
Tourism has remained a ________ area even when there is a vast scope for
its _________ .
a. wide, agreement
b. small, formation
c. neglected, developmentd. rejected, approval
Q.2
Not Attempt Correct Ans. dSolutionHave any doubt?FAQ?Video Solution
Tom always thought that he might die in harness. What did Tom think?
a. to die happilyb. to die for a noble causec. to die with no safety
d. to die while working
Q.3
Not Attempt Correct Ans. aSolutionHave any doubt?FAQ?Video Solution
Which of the following options/words is the most inappropriate as a
replacement to the word which is bold in the sentence?
The judge ruled out that the egregious contract was null and void.
a. moderateb. appallingc. flagrantd. ghastly
REPORTS
NEWS
Want Toppers Notes/Study material Mail Us @: [email protected]
Q.4
Attempt Correct Correct Ans. aSolutionHave any doubt?FAQ?Video Solution
One fair coin is tossed four times, the probability that two heads and two tails
will appear is
a.
b.
c.
d.
Q.5
Attempt Incorrect Your Ans. 365 Correct Ans. 345SolutionHave any doubt?FAQ?Video Solution
If FGH : 876 : : EDC : _______
Q.6
Not Attempt Correct Ans. cSolutionHave any doubt?FAQ?Video Solution
It is strange that in Sentacity there are so many corner shops selling food
items. After all, there are many super markets in the city which sell food items
at a cheaper price. Many of these super markets are open 24 hrs. Which of the
following, if true, would be of least help in explaining the paradoxical
observation?
a. The super markets are mostly located at the out skirts of the city and requireresidents to use cars or public transport to reach them.
b. Corner shops are selling the local traditional food items.
c. The main business of the local shops is newspaper distribution and fooditems represent a small part of their turnover.
d. The corner shops are mainly family owned businesses and have been therefor much longer than the supermarkets and are perceived as an importantfeature of the community.
Q.7
Not Attempt Correct Ans. dSolutionHave any doubt?FAQ?Video Solution
If first nine multiples of five are multiplied together, then the number of zeros at
the end of the product are
a. 4b. 10c. 9
d. 7
Q.8 If N = 1! + 3! + 5! + 7! ...................... 99! then remainder obtained when N is
divided by 24 is
Want Toppers Notes/Study material Mail Us @: [email protected]
Not Attempt Correct Ans. aSolutionHave any doubt?FAQ?Video Solution
a. 7b. 6c. 3d. 5
Q.9
Not Attempt Correct Ans. aSolutionHave any doubt?FAQ?Video Solution
The question below consists of a pair of related words followed by four pairs of
words. Select the pair that expresses the best relation in the original pair.
MEEK : TRACTABLE
a. Obstinate : Rigidb. Mellifluous : Harshc. Shrewd : Naived. Doleful : Alone
Q.10
Not Attempt Correct Ans. 4SolutionHave any doubt?FAQ?Video Solution
A man can row 50 km upstream and 72 km downstream in 9 hours. He can
also row 70 km upstream and 90 km downstream in 12 hours. The rate of
current is ________ km/hr.
Q.11
Attempt Correct Correct Ans. cSolutionHave any doubt?FAQ?Video Solution
If the reactive power ‘Q’ is 2000 VAR and power factor (pf) is 0.866 (leading),
then the complex power ‘S’ will be
a.
b.
c.
d.
Q.12 The Thevenin equivalent impedance across the terminals a and b of the
network shown below is
Want Toppers Notes/Study material Mail Us @: [email protected]
Attempt Incorrect Your Ans. b Correct Ans. aSolutionHave any doubt?FAQ?Video Solution
a.
b.
c.
d.
Q.13
Attempt Correct Correct Ans. dSolutionHave any doubt?FAQ?Video Solution
For the circuit shown below, cutin voltage of diodes is Vr = 0.7 V. The values of
voltage V0 and current I0 are respectively.
a. 2 V, 2 mAb. 1 V, 1 mAc. 0.3 V, 0.3 mA
d. 2.3 V, 2.3 mA
Q.14 The feedback topology in the amplifier shown below is
a. voltage shunt feedbackb. current series feedback
Want Toppers Notes/Study material Mail Us @: [email protected]
Attempt Correct Correct Ans. aSolutionHave any doubt?FAQ?Video Solution
c. current shunt feedbackd. voltage series feedback
Q.15
Attempt Correct Correct Ans. bSolutionHave any doubt?FAQ?Video Solution
The output Z of the 4 × 1 multiplexer shown below is
a.
b.
c.
d.
Q.16
Attempt Correct Correct Ans. bSolutionHave any doubt?FAQ?Video Solution
Which of the following is not a vectored interrupt in 8085 microprocessor
a. TRAP
b. INTRc. RST 6.5d. RST 7.5
Q.17
Want Toppers Notes/Study material Mail Us @: [email protected]
Attempt Incorrect Your Ans. c Correct Ans. aSolutionHave any doubt?FAQ?Video Solution
a.
b.
c.
d.
Q.18
Attempt Correct Correct Ans. d
A discrete time Fourier transform pair is given by
a.
b.
c.
d.
Want Toppers Notes/Study material Mail Us @: [email protected]
SolutionHave any doubt?FAQ?Video Solution
Q.19
Attempt Correct Correct Ans. dSolutionHave any doubt?FAQ?Video Solution
A dc voltage of 6 V is applied across a 2 cm long semiconductor bar. The
average drift velocity of electrons is 104 cm/second. The electron mobility is
a. 4396 cm2/Vs
b. 3 × 104 cm2/Vs
c. 6 × 104 cm2/Vs
d. 3333 cm2/Vs
Q.20
Attempt Correct Correct Ans. dSolutionHave any doubt?FAQ?Video Solution
Three different second order control systems have same settling time for step
input. Their poles will lie on
a. A circleb. An ellipsec. A straight line passing through imaginary axis
d. A straight line parallel to imaginary axis
Q.21
Attempt Correct Correct Ans. bSolutionHave any doubt?FAQ?Video Solution
A 25 channel PCM system samples voice at a rate of 10 kHz. The minimum
channel bandwidth required is 2 MHz. If the samples are encoded with K
bits/sample, then the value of K is
a. 8
b. 16c. 24d. None
Q.22
Attempt Correct Correct Ans. aSolutionHave any doubt?FAQ?Video Solution
If at (1, 1, 1) will be
a. 0b. 1c. 2d. 4
Q.23 The following system of homogenous equations have
2x + y + 2z = 0
x + y + 3z = 0
4x + 3y + z = 0
a. no solution
b. unique solution
Want Toppers Notes/Study material Mail Us @: [email protected]
Attempt Correct Correct Ans. bSolutionHave any doubt?FAQ?Video Solution
c. two solutionsd. infinitely many solutions
Q.24
Attempt Correct Correct Ans. 4SolutionHave any doubt?FAQ?Video Solution
Consider the figure shown below.
The maximum value of Vc(t) is ________ (Volts)
Q.25
Attempt Incorrect Your Ans. 0 Correct Ans. 24SolutionHave any doubt?FAQ?
For the circuit shown below, the value of the current I0 is _________ mA.
Q.26
Attempt Correct Correct Ans. 8.944 (8.80 9.20)SolutionHave any doubt?FAQ?Video Solution
The radiation resistance of a Hertzian dipole is given as (π2) ohms, the
value of K is _______
Q.27
Attempt Correct Correct Ans. 15SolutionHave any doubt?FAQ?Video Solution
To add two 8bit numbers, the minimum number of half adders required is
_________ .
Q.28 A discrete memory less source delivers symbols X1, X2, X3 and X4 with
probabilities respectively. The entropy of the source is
Want Toppers Notes/Study material Mail Us @: [email protected]
Attempt Correct Correct Ans. 1.75 (1.50 2.00)SolutionHave any doubt?FAQ?Video Solution
_________ (bits/symbol)
Q.29
Attempt Correct Correct Ans. 20SolutionHave any doubt?FAQ?Video Solution
If the magnitude of the polar plot at phase crossover frequency is 10, then the
gain margin of the system is ______ (dB).
Q.30
Attempt Incorrect Your Ans. 12.36 Correct Ans. 9.2 (9.15 9.25)SolutionHave any doubt?FAQ?Video Solution
Consider the power spectral density of a random process X(t) given by,
SX(ω) = 8πδ(ω) + 1.2 π δ (ω – 2.3 π) + 1.2π δ(ω + 2.3π) + 4πδ (ω – 5) + 4πδ (ω
+ 5) W/rad/sec
The average power of the process is equal to ________ (W).
Q.31
Attempt Correct Correct Ans. 200SolutionHave any doubt?FAQ?Video Solution
The primary parameters of a lossless transmission line are given as L = 8
μH/m and C = 200 pF/m. The characteristic impedance of the line is ________
Ω.
Q.32
Attempt Correct Correct Ans. 3.75 (3.60 3.90)SolutionHave any doubt?FAQ?Video Solution
An airfilled rectangular waveguide has dimensions a × b (a > b). If the cut off
frequency is 4 GHz, then the value of ‘a’ is __________ cm.
Q.33
Attempt Correct Correct Ans. 1.57 (1.55 1.60)SolutionHave any doubt?FAQ?Video Solution
The electric field of a uniform plane wave propagating in a lossless
nonmagnetic medium is given by
If the polarization state of the wave is circular, then the value of θ is ________
(radians)
Q.34
Attempt Correct Correct Ans. 0.2 (0.18 0.22)
If X is a random variable which is uniformly distributed in the interval [0, 1],
then the value of E[X4] will be __________ . (where E[⋅] indicates expectation
operator)
Want Toppers Notes/Study material Mail Us @: [email protected]
SolutionHave any doubt?FAQ?Video Solution
Q.35
Attempt Correct Correct Ans. 3.33 (3.00 3.50)SolutionHave any doubt?FAQ?Video Solution
The particular integral solution of the differential equation = 10sinx
is Asinx. The value of ‘A’ is _________ .
Q.36
Attempt Incorrect Your Ans. c Correct Ans. bSolutionHave any doubt?FAQ?Video Solution
A two port network is represented by ABCD parameters as
If port2 of the network is terminated by RL = 2 Ω, then the input impedance
seen at port1 is
a. 1.5 Ω
b. 1.75 Ω
c. 2 Ωd. None of these
Q.37
Attempt Incorrect Your Ans. d Correct Ans. bSolutionHave any doubt?FAQ?Video Solution
In the circuit shown below vC(t) = 0 volts at t = 0 sec. For t > 0, the current
through the capacitor is given as The value
of "R" is
a. 3 kΩ
b. 6 kΩc. 9 kΩ
d. None of these
Q.38 The continuous time signal x(t) = e–at u(t) is sampled at a rate fs = 1/Ts. The Z
transform of x[n], where x[n] = x(nTs) is given by
a.
b.
Want Toppers Notes/Study material Mail Us @: [email protected]
Attempt Correct Correct Ans. cSolutionHave any doubt?FAQ?Video Solution
c.
d.
Q.39
Attempt Correct Correct Ans. dSolutionHave any doubt?FAQ?Video Solution
If the Fourier of continuous time signal x(t) is X(ω), then x(–t –2) has the
Fourier transform of
a.
b.
c.
d.
Q.40
Not Attempt Correct Ans. bSolutionHave any doubt?FAQ?Video Solution
For a (7, 4) linear block code, the parity check matrix is given by
the syndrome calculated using the received code word is
Which of the following error patterns is corresponding to the given syndrome.
a.
b.
c.
d.
Q.41
Not Attempt Correct Ans. b
In a GSMSystem, 8 channels can coexist in 200 kHz bandwidth using TDMA. A
GSM based cellular operator is allocated 5 MHz bandwidth. Assuming a
frequency reuse factor of i.e. a 5cell repeat pattern. The maximum
number of simultaneous channels that can coexist in one cell is
a. 20
b. 40c. 60d. 80
Want Toppers Notes/Study material Mail Us @: [email protected]
SolutionHave any doubt?FAQ?Video Solution
Q.42
Attempt Correct Correct Ans. cSolutionHave any doubt?FAQ?Video Solution
Consider an AWGN channel with a 4 kHz bandwidth and the noise power
spectral density The signal power required at the
receiver is 0.1 mW. The capacity of this channel is
a. 4 kbpsb. 26.33 kbps
c. 54.44 kbpsd. 100 kbps
Q.43
Attempt Correct Correct Ans. aSolutionHave any doubt?FAQ?Video Solution
The opamp circuit shown below represents
a. a low pass filterb. a high pass filterc. an all pass filterd. a band pass filter
Q.44The value of current gain in the circuit shown below is ________.
a. 400
b. 441c. 1
Want Toppers Notes/Study material Mail Us @: [email protected]
Attempt Correct Correct Ans. bSolutionHave any doubt?FAQ?Video Solution
d. None
Q.45
Attempt Correct Correct Ans. bSolutionHave any doubt?FAQ?Video Solution
Which of the following relations is correct for the BJT shown below?
a.
b.
c.
d.
Q.46
Attempt Correct Correct Ans. aSolutionHave any doubt?FAQ?Video Solution
The loop transfer function of a negative feedback control system is given by
The range of ‘K’ for which the closed loop system is stable
a.
b.
c.
d.
Q.47 A second order system has a settling time (Ts) (for ± 2% tolerance) of 4 sec
and a peak time (Tp) of 3.14 sec. Which of the following is correct
representation of poles of the system
Want Toppers Notes/Study material Mail Us @: [email protected]
Attempt Correct Correct Ans. cSolutionHave any doubt?FAQ?Video Solution
a.
b.
c.
d.
Q.48
Attempt Correct Correct Ans. dSolutionHave any doubt?FAQ?Video Solution
Consider the sequential circuit shown below
If flip flops are initially reset (QB QA = 00)
the sequence of the states (QB QA) for further clock pulses is
a. 00 → 01 → 10 → 11 → 00b. 00 → 10 → 01 → 11 → 01c. 00 → 11 → 10 → 01 → 00
d. 00 → 01 → 11 → 10 → 01
Want Toppers Notes/Study material Mail Us @: [email protected]
Q.49
Attempt Correct Correct Ans. cSolutionHave any doubt?FAQ?Video Solution
The output ‘F’ of the digital logic circuit shown in the figure is
a. F = AND (A, B)b. F = XOR (A, B)
c. F = XNOR (A, B)d. F = OR (A, B)
Q.50
Not Attempt Correct Ans. bSolutionHave any doubt?FAQ?Video Solution
For a 3 level Quantizer, the decision boundaries are set at ±a, ±b. A band
limited message signal whose probability density function is shown below is
applied to the Quantizer. If the entropy at the Quantizer output is maximum,
then the values of “a” and “b” are respectively _______.
a. 2 and 3
b. 2 and 4c. 4 and 2d. 3 and 2
Q.51
Attempt Correct Correct Ans. dSolutionHave any doubt?FAQ?Video Solution
Let there be a function f(x) =| x | . The derivative of f(x) with respect to x at x = 0
is
a. 1b. 0c. 1
d. does not exist
Q.52The value of integral is
(where C is a circle defined as |z| = 2)
a. 0
Want Toppers Notes/Study material Mail Us @: [email protected]
Attempt Correct Correct Ans. aSolutionHave any doubt?FAQ?Video Solution
b. 2π (3i + 2)c. 2π(3j – 2)d. 2π (–3j –2)
Q.53
Attempt Incorrect Your Ans. 8.33 Correct Ans. 1SolutionHave any doubt?FAQ?Video Solution
The inputoutput relationship of a causal stable LTI system is given by
y(n) = 4 y (n –1) + 5 y (n – 2) + 8x (n). If the impulse response of this system is
h(n), then the value of will be _________ .
Q.54
Attempt Correct Correct Ans. 25SolutionHave any doubt?FAQ?Video Solution
In the circuit shown below, switch ‘S ’ is connected to node A for a long time
and moved to node B at t = 0. The value of Vc(t) at t = 2 m sec is ________
Volts.
Q.55
Not Attempt Correct Ans. 9.97 (9.90 10.10)SolutionHave any doubt?FAQ?Video Solution
Consider a WSS (wide sense stationary) process with auto correlation
function A new random variable Z is created by sampling
this process at t = 5 and t = 8 sec. Let those sampled random variables as W
and Y respectively. If Z = W – Y, then the value of E[Z2] is ________ .
(where E[⋅] indicates expectation operator)
Q.56
Want Toppers Notes/Study material Mail Us @: [email protected]
Attempt Incorrect Your Ans. 40 Correct Ans. –8.33 (–9.00 –8.00)SolutionHave any doubt?FAQ?
Consider the CE amplifier circuit shown in the figure.
If the hie of the BJT is 1.9 kΩ, then the midband voltage gain will be
______.
Q.57
Not Attempt Correct Ans. 20.83 (20.00 21.00)SolutionHave any doubt?FAQ?Video Solution
A circularly polarized wave has the electric field component given by,
If the wave travels in free space, then the power crossing a square sheet
(placed at z = constant plane) with an area 25π az m2 will be _____ (Watts)
Q.58
Not Attempt Correct Ans. –1130.9 (–1135.00 –1125.00)SolutionHave any doubt?FAQ?Video Solution
Two infinite sheet charges at 10 nC/m2, –10 nC/m2 are placed at y = 2 m and y
= –5 m respectively. The electric field at (x = 2 m, y = 1 m , z= 0) is
___________ ay N/C.
Q.59
Not Attempt Correct Ans. 45SolutionHave any doubt?FAQ?Video Solution
The radiation intensity of a certain antenna is
If the directivity of the antenna is then the minimum value of Φ0 is
_______ (degrees)
Q.60
Want Toppers Notes/Study material Mail Us @: [email protected]
Attempt Incorrect Your Ans. 0.759 Correct Ans.0.076 (0.065 0.085)
SolutionHave any doubt?FAQ?Video Solution
For the circuit shown, the value of reverse saturation current Is of the identical
diodes, so that Vout = 2.4 Volt is ________ fA (femtoampere)
(assume VT = 25 mV, η = 1)
Q.61
Attempt Incorrect Your Ans. 2.59 Correct Ans. 2.6 (2.20 3.00)SolutionHave any doubt?FAQ?Video Solution
If electron mobility is three times that of hole mobility (i.e. μn = 3 μp) and all
acceptor atoms are ionized, then the acceptor concentration (Na) required for
a sample of silicon to show minimum conductivity at room temperature is
__________ × 1010 cm–3. (Assume ni = 1.5 × 1010 cm–3 at room temperature)
Q.62
Attempt Correct Correct Ans. 1 (0.90 1.10)SolutionHave any doubt?FAQ?Video Solution
A semiconductor doped with and has a resistance R1. The
same semiconductor is doped with yielding a resistance of
The ratio
(Dp and Dn are hole and electron diffusion constants respectively).
Q.63
Attempt Incorrect Your Ans. 32 Correct Ans. 26SolutionHave any doubt?FAQ?Video Solution
Consider x(n) and y(n) be two three point sequence
x(n) = (1, 2, 1), y(n) = (–1, 2, 1)
The circular convolution of x(n) and y(n) is z(n). The energy of z(n) is
___________.
Q.64The value of where ‘C’ is the closed curve of
the region bounded by y = x2 and y2 = x, is __________
Want Toppers Notes/Study material Mail Us @: [email protected]
Not Attempt Correct Ans. –0.6 (–0.65 – 0.55)SolutionHave any doubt?FAQ?Video Solution
Q.65
Attempt Correct Correct Ans. –2.25 (–2.50 –2.00)SolutionHave any doubt?FAQ?Video Solution
Consider the function f(x) = x2 – x – 2. The minimum value of f(x) in closed
interval [–4, 4] is ________ .
Want Toppers Notes/Study material Mail Us @: [email protected]