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Assertion (A): In high Q circuits poles of Y(s) lie close to ω axis in complex frequency plane. Reason (R): Q is inversely proportional to damping factor. | |
A. | Both A and R are true and R is correct explanation of A [Wrong Answer] |
B. | Both A and R are true and R is not the correct explanation of A [Correct Answer] |
C. | A is true but R is false [Wrong Answer] |
D. | A is false but R is true [Wrong Answer] |
View Answer
Explanation:-
Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
⇒ Use of high permeability core in moving iron instrument helps in
reducing size of meter
increasing sensitivity
reducing temperature error
all of the above
⇒ The earliest uses of electromagnetic waves were
point to point communication
radar
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⇒ Consider two random processes x(t) and y(t) have zero mean, and they are individually stationary. The random process is z(t) = x(t) + y(t). Now when stationary processes are uncorrelated then power spectral density of z(t) is given by
S_{x}(f) + S_{y}(f) + 2S_{xy}(f)
S_{x}(f) + S_{y}(f) + 2S_{xy}(f) + 2S_{yx}(f)
S_{x}(f) + S_{y}(f)
S_{x}(f) + S_{y}(f) - 2S_{xy}(f) - 2S_{yx}(f)
⇒
A-1, B-2, C-3, D-4
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⇒ Measuring of unknown voltage with a dc potentiometer loses its advantage of open circuit measurement when
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A-1, B-4, C-3, D-2
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⇒ Use of high permeability core in moving iron instrument helps in
reducing size of meter
increasing sensitivity
reducing temperature error
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point to point communication
radar
both (a) and (b)
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⇒ Consider two random processes x(t) and y(t) have zero mean, and they are individually stationary. The random process is z(t) = x(t) + y(t). Now when stationary processes are uncorrelated then power spectral density of z(t) is given by
S_{x}(f) + S_{y}(f) + 2S_{xy}(f)
S_{x}(f) + S_{y}(f) + 2S_{xy}(f) + 2S_{yx}(f)
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⇒
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List I (Laws of Boolean) | List II (Relation algebra) | ||
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A. | Distributive law | 1. | x + x = x |
B. | DeMorgans law | 2. | x(y + z) = xy + xz |
C. | Idempotent law | 3. | (x) = x |
D. | Involution law | 4. | (x + y) = xy |
A-1, B-2, C-3, D-4
A-2, B-4, C-1, D-3
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A-4, B-1, C-2, D-3
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primary circuit battery is changed
standardisation is done to compensate for drift
voltage is larger than range of potentiometer
range reduction by factor of 10 is employed
⇒ Ferrite have
low copper loss
low eddy current loss
low resistivity
higher specific gravity compared to iron
⇒ Waveform shown in figure is that
FM
PCM
AM-DSB
AM-SSB
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⇒ In AM, the modulation envelope has a peak value double the unmodulated carrier level, when the modulation is
0.25
0.33
0.5
1
⇒ In 8085 microprocessor, if instruction RST is written in a program then the program will jump to location
0020 H
0024 H
0028 H
002 CH
⇒ Boolean expression for the output of XNOR (Equivalent) logic gate with inputs A and B is
AB + AB
AB + AB
(A + B). (A + B)
(A + B). (A + B)
⇒ In Fortran 77 negation is a unary operation.
TRUE
FALSE
⇒ Examine the following truth table. The product of sum from this truth tabl
(X + Y) (X + Y)
(X + Y) (X + Y)
(X + Y) (X + Y)
(X + Y) (X + Y)
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Match the following:
List I | List II | ||
---|---|---|---|
A. | Reactance theorem | 1. | Foster |
B. | Driving point impedance | 2. | Bartlett |
C. | Continued fraction expansion | 3. | Cauer |
D. | Bisection Theorem | 4. | Positive real function |
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⇒ In an ac circuit the fundamental component of current wave lags the corresponding voltage wave by 20°. The third harmonic component of current wave lags the corresponding voltage by an angle.
less than 20°
more than 20°
equal to 20°
equal to or more than 20°
⇒ Which of the following is not a key word in C?
pop
for
if
union
⇒ FIR digital filter having __________ stability than FIR filter.
good stability
poor stability
stability not guarnteed
poor stability
⇒ Assuming accumulator contain A 64 and the carry is set (1). What will register A and (CY) contain after ADI A4H?
4 AH, 0
4 AH, 1
4 BH, 0
4 BH, 1
⇒ Which of the following instructions have only one operand?
Multiply
Add
Shift
Subtract
⇒ Choose the correct statement/statements :
In case of an antenna, the antenna resistance and loss resistance are not two different quantities.
The loss resistance includes loss by eddy currents, improper earth connections, insulation leakages, etc., but not I^{2}R losses.
Radiation resistance varies directly as square-root of frequency
None
⇒ If D is diameter of circular waveguide the cutoff wave-length for TE_{11} mode is equal to
1.706 D
2.11 D
0.82 D
0.41 D
⇒ The output Y of the circuit shown in the figur
(A + B) C + DE
AB + C(D + E)
(A + B) C + D + E
(AB + C) . DE
⇒ A transponder is a satellite equipment which
receives a signal from Earth station and amplifies
changes the frequency of the received signal
retransmits the received signal
does all of the above-mentioned functions
⇒ The power gain of a half-wave dipole with respect to an isotropic radiator is
2.15 db
3 db
4.15 db
6 db
⇒ For a transistor amplifier with self biasing network, the following components are used. R_{1} = 4 kΩ, R_{2} = 4 kΩ, R_{C} = 1 kΩ. The approximate value of the stability factor 'S' will be
4
3
2
1.5
⇒ A signal x_{1}(t) and x_{2}(t) constitute the real and imaginary parts respectively of a complex valued signal x(t). What form of waveform does x(t) possess?
Real symmetric
Complex symmetric
Asymmetric
Conjugate symmetric
⇒ An electron for which l = 0 has zero orbital magnetic dipole moment.
TRUE
FALSE
⇒ The minimum number of comparators required to build an 8 bit flash ADC is
8
63
255
256
⇒ A ripple counter has 4 bits and uses flip flops with propagation delay time of 25 ns. The maximum possible time for change of state will be
25 ns
50 ns
75 ns
100 ns
⇒ A class E chopper
can operate in second quadrant only
can operate in first or third quadrant
can operate in all the four quadrants
can operate in either second or third quadrant