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The pole zero plot in the given figure is | |
A. | non-minimum phase function [Wrong Answer] |
B. | minimum phase function [Wrong Answer] |
C. | all pass function [Correct Answer] |
D. | either (a) or (b) [Wrong Answer] |
View Answer
Explanation:-
Answer : C Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
⇒
A-4, B-3, C-2, D-1
A-1, B-2, C-3, D-4
A-3, B-4, C-2, D-1
A-4, B-3, C-1, D-2
⇒ The first critical frequency nearest the origin of the complex frequency plane for an RL driving point impedance will be
a zero in left half plane
a zero in right half plane
a pole in left half plane
a pole or zero in left half plane
⇒ Out of the three transforms viz. Z-transform, Laplace transform and Fourier transform
all three are used in continuous time domain
all three are used in both continuous time domain and discrete time domain
Z transform is used in continuous time domain while Laplace and Fourier transforms are used in discrete time domain
Z transform is used is discrete time domain while Laplace and Fourier transforms are used in continuous time domain
⇒ Consider the following statements
All are correct
only 1, 2, 3 are correct
only 1, 2, 4 are correct
only 1, 3, 4 are correct
⇒ The function in the given figure can be writte
u(t - 1) sin p ( t - 1) - u(t - 3) sin p (t - 3) + u(t - 4) sin p (t - 4) - u(t - 6) sin p (t - 6)
u(t - 1) sin p ( t - 1) - u(t - 3) sin p (t - 3) + u(t - 4) sin p (t - 4)
u(t - 1) sin p ( t - 1) + u(t - 4) sin p (t - 4)
u(t - 1) sin 2p ( t - 1) + u(t - 4) sin 2p (t - 4)
⇒ What is output 'Z' of an EX-OR gate, whose all inputs are set at A?
Z = A
Z = 1
Z = 0
Z = A
⇒ An RC series circuit is charged by a voltage E. After a long time the battery is removed and a short circuit is placed across R-C. Then
the polarity of voltage across R is same during discharge and during charge
the polarity of voltage across R during discharging is opposite to that during charging
the polarity of voltage across R depends on time constant RC
none of the above
⇒ A constant k band stop filter has cutoff frequencies of 1000 and 4000 Hz. The attenuation will be maximum when frequency is
4000 Hz
3000 Hz
2000 Hz
1000 Hz
⇒ A voltage wave v = 10 + 20 sin ωt + 7.5 sin 3 ω(t) is applied to a series combination of two elements. The current is i = 5 sin (ωt + 20°) + 1.5 sin (3ωt + 10°). The elements are
R and C
R and L
L and C
both inductances
⇒ Which of the following is not correct in respect of electrostatic instrument?
It is essentially a voltmeter
It is suitable for only high voltages
It has a uniform scale
It can be used for both ac and dc
⇒ A signal x(n) = sin(ω_{0}n + φ) is the input to a linear time invariant system having a frequency response H(e^{jω}) If the O/P of the system is Ax(n -n_{0}), then the general form of H(e^{jω}) will be
- n_{0}ω_{0} + β for any arbitrary real β
- n_{0}ω_{0} + 2pk for any arbitrary integer k
n_{0}ω_{0} + 2pk for any arbitrary integer k
- n_{0}ω_{0} + φ
⇒ A scheme shown below is to generate a wide band FM modulate sign
88 MHz, 112 MHz
96 MHz, 104 MHz
92 MHz, 108 MHz
90 MHz, 110 MHz
⇒ The purpose of earthing electric appliances is
to provide safety against shock
to ensure that appliance works satisfactorily
to ensure that appliance gets full voltage
all of the above
⇒ A constant k low pass T section filter has a characteristic impedance of 600 p at zero frequency. At f = f_{c} the characteristic impedance is
600 Ω
zero
infinite
more than 600 ohms
⇒ In a certain inverter circuit each thyristor carries 26.67 A for 60°, 13.33 A for 120° and zero A for 180° of the cycle. The rms current of thyristor is
20 A
13.33 A
6.67 A
3.33 A
⇒ If r_{e} is ac resistance of diode, the Thevenin input impedance of a differential amplifier is
r_{e}
br_{e}
2 br_{e}
0.5 br_{e}
⇒
Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct but R is wrong
A is wrong but R is correct
⇒ For dc the current through coupling capacitor in CE amplifier circuit is
very high
high
low
zero
⇒ A multivibrator generates
sinusoidal waveforms
non-sinusoidal waveforms
both (a) and (b)
none of the above
⇒ To realize following function 'f'3
6
4
10
⇒ The distance of poles from origin depends on
undamped natural frequency
damping ratio
both (a) and (b)
neither (a) nor (b)
⇒ The function H (s) is positive real if
H (s) has no poles or zeros in right half plane
The poles of H(s) on the imaginary axis are simple with real and positive residues
Re [H(jω)] ≥ 0 for 0 ≤ ω ≤ ∞
all of the above
⇒ The primary reason for the widespread use of Si in semiconductor device technology is
abundance of Si on the surface of earth
larger band gap of Si in comparison to Ge
favourable properties of Silicon-dioxide (SiO_{2})
lower melting point
⇒ A dynamometer wattmeter is connected in ac circuit. The measured power is
rms power
average power
peak power
instantaneous power
⇒ The Boolean expression A ⊕ B is equivalent to
AB + AB
AB + AB
B
A
⇒ The transmitting antennas for lower frequencies (below 500 kHz) are generally
vertical grounded wire type
horizontal suspended wire type
parabolic reflector type
any of the above
⇒ For an accurate clock period in 8085 it is preferable to use
Crystal
Crystal or LC resonant circuit
Crystal or RC circuit
LC or RC circuit
⇒
Both A and R are correct and R is correct explanation for A
Both A and R are correct but R is not correct explanation for A
A is correct R is wrong
A is wrong R is correct
⇒ 2's complement of binary number 0101 is
1011
1111
1101
1110
⇒ Aperture circuit produces __________ in sample hold circuit.
the total sampling time
delay between the instance at which hold command is initiated and the instance at which O/P starts tracking I/P
the time taken by O/P to settle within the specified 1% error band, that of the I/P
time required by holding capacitor to reach upto the level close to input
⇒
Match the following:
List I (Camera pick up tubes) | List II (Special feature) | ||
---|---|---|---|
A. | Vidicon | 1. | Highest sensitivity |
B. | Plumbicon | 2. | Temperature sensitive |
C. | Saticon | 3. | Large lag |
D. | New vicon | 4. | Special target for red response |
A-4, B-3, C-2, D-1
A-1, B-2, C-3, D-4
A-3, B-4, C-2, D-1
A-4, B-3, C-1, D-2
⇒ The first critical frequency nearest the origin of the complex frequency plane for an RL driving point impedance will be
a zero in left half plane
a zero in right half plane
a pole in left half plane
a pole or zero in left half plane
⇒ Out of the three transforms viz. Z-transform, Laplace transform and Fourier transform
all three are used in continuous time domain
all three are used in both continuous time domain and discrete time domain
Z transform is used in continuous time domain while Laplace and Fourier transforms are used in discrete time domain
Z transform is used is discrete time domain while Laplace and Fourier transforms are used in continuous time domain
⇒ Consider the following statements
- An assembler is a program having assembly language program as input and machine language program as output.
- A macro assembler is an assembler with additional macro facilities.
- A cross assembler for a μP X is an assembler which executes on source microcomputer with a different CPU than X bit generates code for X.
- Assemblers generally do not provide macro facilities.
All are correct
only 1, 2, 3 are correct
only 1, 2, 4 are correct
only 1, 3, 4 are correct
⇒ The function in the given figure can be writte
u(t - 1) sin p ( t - 1) - u(t - 3) sin p (t - 3) + u(t - 4) sin p (t - 4) - u(t - 6) sin p (t - 6)
u(t - 1) sin p ( t - 1) - u(t - 3) sin p (t - 3) + u(t - 4) sin p (t - 4)
u(t - 1) sin p ( t - 1) + u(t - 4) sin p (t - 4)
u(t - 1) sin 2p ( t - 1) + u(t - 4) sin 2p (t - 4)
⇒ What is output 'Z' of an EX-OR gate, whose all inputs are set at A?
Z = A
Z = 1
Z = 0
Z = A
⇒ An RC series circuit is charged by a voltage E. After a long time the battery is removed and a short circuit is placed across R-C. Then
the polarity of voltage across R is same during discharge and during charge
the polarity of voltage across R during discharging is opposite to that during charging
the polarity of voltage across R depends on time constant RC
none of the above
⇒ A constant k band stop filter has cutoff frequencies of 1000 and 4000 Hz. The attenuation will be maximum when frequency is
4000 Hz
3000 Hz
2000 Hz
1000 Hz
⇒ A voltage wave v = 10 + 20 sin ωt + 7.5 sin 3 ω(t) is applied to a series combination of two elements. The current is i = 5 sin (ωt + 20°) + 1.5 sin (3ωt + 10°). The elements are
R and C
R and L
L and C
both inductances
⇒ Which of the following is not correct in respect of electrostatic instrument?
It is essentially a voltmeter
It is suitable for only high voltages
It has a uniform scale
It can be used for both ac and dc
⇒ A signal x(n) = sin(ω_{0}n + φ) is the input to a linear time invariant system having a frequency response H(e^{jω}) If the O/P of the system is Ax(n -n_{0}), then the general form of H(e^{jω}) will be
- n_{0}ω_{0} + β for any arbitrary real β
- n_{0}ω_{0} + 2pk for any arbitrary integer k
n_{0}ω_{0} + 2pk for any arbitrary integer k
- n_{0}ω_{0} + φ
⇒ A scheme shown below is to generate a wide band FM modulate sign
88 MHz, 112 MHz
96 MHz, 104 MHz
92 MHz, 108 MHz
90 MHz, 110 MHz
⇒ The purpose of earthing electric appliances is
to provide safety against shock
to ensure that appliance works satisfactorily
to ensure that appliance gets full voltage
all of the above
⇒ A constant k low pass T section filter has a characteristic impedance of 600 p at zero frequency. At f = f_{c} the characteristic impedance is
600 Ω
zero
infinite
more than 600 ohms
⇒ In a certain inverter circuit each thyristor carries 26.67 A for 60°, 13.33 A for 120° and zero A for 180° of the cycle. The rms current of thyristor is
20 A
13.33 A
6.67 A
3.33 A
⇒ If r_{e} is ac resistance of diode, the Thevenin input impedance of a differential amplifier is
r_{e}
br_{e}
2 br_{e}
0.5 br_{e}
⇒
Assertion (A): TWT uses a focussing mechanism to prevent the electron beam from spreading.
Reason (R): In a TWT the electron beam has to travel a much longer distance than in klystron.
Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct but R is wrong
A is wrong but R is correct
⇒ For dc the current through coupling capacitor in CE amplifier circuit is
very high
high
low
zero
⇒ A multivibrator generates
sinusoidal waveforms
non-sinusoidal waveforms
both (a) and (b)
none of the above
⇒ To realize following function 'f'3
6
4
10
⇒ The distance of poles from origin depends on
undamped natural frequency
damping ratio
both (a) and (b)
neither (a) nor (b)
⇒ The function H (s) is positive real if
H (s) has no poles or zeros in right half plane
The poles of H(s) on the imaginary axis are simple with real and positive residues
Re [H(jω)] ≥ 0 for 0 ≤ ω ≤ ∞
all of the above
⇒ The primary reason for the widespread use of Si in semiconductor device technology is
abundance of Si on the surface of earth
larger band gap of Si in comparison to Ge
favourable properties of Silicon-dioxide (SiO_{2})
lower melting point
⇒ A dynamometer wattmeter is connected in ac circuit. The measured power is
rms power
average power
peak power
instantaneous power
⇒ The Boolean expression A ⊕ B is equivalent to
AB + AB
AB + AB
B
A
⇒ The transmitting antennas for lower frequencies (below 500 kHz) are generally
vertical grounded wire type
horizontal suspended wire type
parabolic reflector type
any of the above
⇒ For an accurate clock period in 8085 it is preferable to use
Crystal
Crystal or LC resonant circuit
Crystal or RC circuit
LC or RC circuit
⇒
Assertion (A): Negative feedback reduces the bandwidth of an amplifier
Reason (R): Negative feedback stabilizes the gain of an amplifier
Both A and R are correct and R is correct explanation for A
Both A and R are correct but R is not correct explanation for A
A is correct R is wrong
A is wrong R is correct
⇒ 2's complement of binary number 0101 is
1011
1111
1101
1110
⇒ Aperture circuit produces __________ in sample hold circuit.
the total sampling time
delay between the instance at which hold command is initiated and the instance at which O/P starts tracking I/P
the time taken by O/P to settle within the specified 1% error band, that of the I/P
time required by holding capacitor to reach upto the level close to input