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Consider the following expressions which indicate the step or impulse response of an initially relaxed system
| |
A. | 1 and 3 [Correct Answer] |
B. | 1 and 4 [Wrong Answer] |
C. | 2 and 4 [Wrong Answer] |
D. | 2 and 3 [Wrong Answer] |
View Answer
Explanation:-
Answer : A Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
⇒ A compensator has its pole and zero as shown in the given fi
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⇒ For a NPN bipolar transistor, what is the main stream of current in the base region?
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⇒ Which modes of circular wave guides have circular symmetry?
TE_{11}
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A-3, B-2, C-4, D-1
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⇒ A compensator has its pole and zero as shown in the given fi
lag compensator
lead compensator
lead-lag compensator
series compensator
⇒ For a NPN bipolar transistor, what is the main stream of current in the base region?
Drift of holes
Diffusion of holes
Drift of electrons
Diffusion of electrons
⇒ Which modes of circular wave guides have circular symmetry?
TE_{11}
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⇒
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List I | List II | ||
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A. | Ratio of maximum energy stored to energy dissipated per cycle | 1. | Propagation constant |
B. | TEM mode is loss less medium | 2. | Cutoff frequency is zero |
C. | Ratio of frequency in radian to phase velocity of EM wave | 3. | Quality factor of cavity |
D. | TEM is the mode of lowest cutoff frequency | 4. | Cylindrical waveguide |
A-3, B-2, C-4, D-1
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⇒ The ROC of sequence in the Z.T. of sequence x[n] = a^{n} ∪ [n] is
z > a
z < a
|z| > a
|z| < a
⇒ In Z_{RC} (s) has a pole at s = ∞, the last element in first Foster realization is
R
C
R and C in series
R and C in parallel
⇒ Fermi level is the amount of energy in which
a hole can have at room temperature
an electron can have at room temperature
must be given to an electron move to conduction band
none of the above
⇒ An 8156 has A_{15} connected to its CE input. A_{14} to A_{8} are unconnected, and AD_{7} to AC_{0} are connected ignoring shadows, what are the RAM locations?
(4000)_{H} - (40FF)_{H}
(8000)_{H} - (80FF)_{H}
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Assertion (A): When cathode temperature is increased from 2500 K to 2550 K, thermionic emission current may increase by about 50%.
Reason (R): Thermionic emission current ∝ T^{2} e^{-Ew/kT}.
Both A and R are true and R is correct explanation of A
Both A and R are true but R is not correct explanation of A
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A is false but R is true
⇒ Generally, the gain of a transistor amplifier falls at high frequency due to the
internal capacitance of the device
coupling capacitor at the I/P
skin effect
coupling capacitor at the O/P
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Match the following:
List I | List II | ||
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A. | Synchro | 1. | Amplifier |
B. | Amplidyne | 2. | Actuator |
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⇒ Two voltmeters are each 0-300 V range. Their internal resistances are 10 kΩ and 20 kΩ They are connected is series and a voltage of 400 V is applied. Their readings respectively will be
266.6 and 133.3 V
133.3 and 266.6 V
200 V each
100 and 300 V
⇒ The total number of pulses in a TV remote control is
14
12
10
8
⇒ Which of the following antennas uses a number of varying length parallel elements?
Helical antenna
Pyramidal Horn
Comer reflection antenna
Yagi-Uda antenna
⇒ M = (μ_{r} - 1)H.
TRUE
FALSE
⇒ A parallel RLC circuit has ω_{0} = 10^{6} and Q = 30, Given C = 30 pF, the value of R is
0
1 μΩ
2 MΩ
1 MΩ
⇒ Given I_{s} = 20 A, V_{s} = 20 V, the current I in the 3 Ω resistance is give
0.166666666666667
0.333333333333333
0.0833333333333333
16 A
⇒ In a feedback series regular circuit, the output voltage is regulated by controlling the
magnitude of the I/P voltage
gain of the feed back BJT
reference Voltage
voltage drop across the series pass transistor
⇒ If a line having Z_{0} = 300 ∠ 0 W is short circuited at far end, VSWR is
0
1
∞
2
⇒ For a current transformer, the standard secondary rating is
1 A or 5 A
2.5 A
0.416666666666667
5 A or 10 A
⇒ In the given figure 15.6 shows a series, R - C circuit fed by a current source i(t). There is an initial voltage v_{0}. across the capacitor. The sy
is linear
is non linear
may be linear or non linear
is linear only if v_{0} is zero
⇒ A LASCR has
4 semiconductor layers and 3 junctions
3 semiconductor layers and 2 junctions
2 semiconductor layers and 2 junctions
any of these depending on the rating
⇒ In 2's complement addition, the carry generated in the last stage is
added to LSB
neglected
added to bit next to MSB
added to the bit next to LSB
⇒ The phase angle characteristic in the given figure is
all pass function
transport lag
minimum phase function
none of the above
⇒ A 1000 kHz carrier wave modulated 40% at 4000 Hz is applied to a resonant circuit tuned to a carrier frequency and having Q = 140. What is the degree of modulation after transmission through this circuit?
0.4
0.2
0.27
0.54
⇒ In free space, line of sight propagation case, the transmission losses between transmitter and receiver increase with frequency (f) as
f
f^{2}
f^{4}
f^{1/2}
⇒ Which of these has peak and valley points in v-i curve?
Tunnel diode
Zener diode
PIN diode
Schottky diode
⇒ When a wave reaches an open circuit
the voltage at termination is doubled the incident voltage
the current at termination is doubled the incident voltage
the voltage at termination is zero
both V and I at termination are doubled the incident voltage and current
⇒ Find the output voltage for 011100 in a 6 bit R-2R ladder D/A converter has a reference voltage of 6.5 V.
6.4 V
2.84 V
0.1 V
8 V
⇒ The dc output voltage from a power supply
increases with higher values of filter capacitance and decreases with more load current
decreases with higher values of filter capacitance and increases with more load current
decreases with higher values of filter capacitance as well as with more load current
increases with higher values of filter capacitance as well as with more load current