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If damping ratio is 0.5, the lines joining complex poles with origin are inclined to negative real axis at | |
A. | ± 90° [Wrong Answer] |
B. | ± 60° [Correct Answer] |
C. | ± 45° [Wrong Answer] |
D. | ± 30° [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 :
⇒ Consider an input x(t) as sh
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0 < t < 11
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2 < t < 6
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flip-flop
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⇒ Consider an input x(t) as sh
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2 < t < 6
⇒ One of the following can be used to generate a pulse whenever triggered
flip-flop
monostable multivibrator
stable multivibrator
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⇒ Two rectangular waveforms of duration t_{1} and t_{2} seconds are convolved. What is the shape of the resulting waveform?
Triangular
Rectangular
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⇒ In end fire array the principle direction of radiation
is perpendicular to the array axis
is perpendicular to the array axis and also to the plane containing the array elements
coincides with the direction of the array
is at 45° to the direction of array axis
⇒ For checking the parity of a digital word, it is preferable to use
AND gates
NAND gates
EX-OR gates
NOR gates
⇒ A TV. transmitting aerial is fixed on top of a 150 metre tower located on a mountain 1200 m height. The range of transmitter is
51 km
152 km
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⇒ In figure v_{i} = 10 mV dc maximum. The maximum possible dc output offset voltag
60 mV dc
110 mV dc
130 mV dc
150 mV dc
⇒ Which of the following is a valid expression in FORTRAN 77?
B * - 3
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⇒
Match the following:
List I (Transducer) | List II (Operation) | ||
---|---|---|---|
A. | Bourden tube | 1. | Fluid flow to resistance change |
B. | Hot wire ammeter | 2. | Velocity to pressure |
C. | Hydrometer | 3. | Pressure to displacement |
D. | Pitot tube | 4. | Specific gravity to displacement |
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increase by factor of 2
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10
100
0.01
0.1
⇒ If carrier modulated by a digital bit stream had one of the possible phases of 0°, 90°, 180°, 270°, then the modulation is called.
BPSK
QPSK
QAM
MSK
⇒ In the given circuit, the switch is open for a long time. At time t = 0, the switch is closed. What are the initial and final values of voltages across the induc
0 V and 0 V
0 V and 80 V
80 V and 0 V
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⇒ If an inverter is placed at the input to an SR flip-flop, the result is
T flip-flop
D flip-flop
JK flip-flop
BCD decade counter
⇒ For an m-derived filter, attenuation is infinite when f = f_{∞}.
TRUE
FALSE
⇒ A photoconductor is a
conductor
semiconductor
insulator
superconductor
⇒ The measure of mismatch between the load and the transmission line is known as
directivity
Gain
standing wave ratio
reflection coefficient
⇒ The P-type substrate in a conventional pn Junction isolated integrated circuits should be connected to
any where
a dc ground potential
the most positive potential available in the circuit
the most negative potential available in the circuit
⇒ Find the Fourier transform of the half cosine pulse as shown bel
0.5 {sin c [0.25(f - 1)] + sin c [2.5(f + 1)]}
0.5 {sin c [0.5(f - 1)] + sin c [0.5(f + 1)]}
0.25 {sin c [0.25(f - 1)] + sin c [0.25 (f - 1)]}
0.25 {sin c [0.5(f - 1)] + sin c [0.5(f - 1)]}
⇒
Match the following:
List I (Diode Rectifier) | List II (Efficiency is R_{f}/R_{L} = 0.25) | ||
---|---|---|---|
A. | Half wave | 1. | 0.54 |
B. | Bridge Rectifier | 2. | 0.65 |
C. | Full wave using tapped centre transformer | 3. | 0.325 |
A-1, B-2, C-3
A-2, B-1, C-3
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⇒ In 8085 microprocessor, in order to enable RST 5.5, RST 6.5 and RST 7.5 interrupts, which of the following instruction are needed?
EI only
SIM only
EI and SIM both
None
⇒ In radar systems PRF stands for
Power Return Factor
Pulse Return Factor
Pulse Repetition Frequency
Pulse Response Factor
⇒ Binary 101010 is equivalent to decimal number
24
42
44
64
⇒ The logic circuit given below converts a binary code y_{1} y_{2}, y_{3}
Excess - 3 code
Gray code
BCD code
Hamming
⇒ The circuit show
voltage series feedback amplifier
transconductance amplifier
transresistance amplifier with open circuit mutual resistance R_{F}
transresistance amplifier with short circuit mutual resistance R_{F}
⇒
Assertion (A): A half wave controlled rectifier has poorer efficiency and higher ripple factor than a full wave controlled rectifier.
Reason (R): The use of a freewheeling diode in half wave controlled rectifier circuit improves the waveform of load current and circuit power factor.
Both A and R are correct and R is correct explanation of A
Both A and R correct but R is not correct explanation of A
A is correct but R is wrong
A is wrong but R is correct
⇒ A 16 bit type ADC uses 1 MHz clock its maximum conversion time is __________ .
16 μs
15 ms
6.5 ms
66 ms
⇒ In a CE amplifier drives a low load resistance directly the result will be
overloading of amplifier
underloading of amplifier
overloading or underloading of amplifier depending on circuit
none of the above
⇒ Complex pole in z-plane is as shown below. This is the pole diagram for ________
Decaying sinusoidal sequence
Growing sinusoidal sequence
Decaying non sinusoidal sequence
Growing non sinusoidal sequence
⇒ The range of values of a and b for which the linear time invariant system with impulse respon
|a| > 1, |b| > 1
|a| < 1, |b| < 1
|a| < 1, |b| > 1
|a| > 1, |b| < 1