Users Also Read
MCQ's Search Engine
Electrical Engineering
Mechanical Engineering
Civil Engineering
Automobile Engineering
Chemical Engineering
Computer Engineering
Electronics Engineering
Medical Science Engg
If X(z) = (1 - az^{-1}), and |a| < |z|, the initial value x_{0} is | |
A. | 1 [Correct Answer] |
B. | 0 [Wrong Answer] |
C. | 2 [Wrong Answer] |
D. | ∞ [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 :
⇒ Which one of the following is a cut set of the graph in the given fig
1, 2, 3, and 4
2, 3, 4, and 6
1, 4, 5, and 6
1, 3, 4, and 5
⇒ For the transmission of normal speech, the PCM channel needs a bandwidth of __________ kHz.
2
4
16
32
⇒ The phase angle corresponding to λ/4 in a standing-wave pattern is
30°
90°
135°
180°
⇒ Separation property of state-transition matrix is
φ(t - t_{0}) = φ(t) φ(t_{0})
φ(t - t_{0}) = φ^{-1}(t) φ^{-1}(t_{0})
φ(t - t_{0}) = φ(t) φ^{-1}(t_{0})
φ(t - t_{0}) = φ^{-1}(t) φ^{-1}(t_{0})
⇒ For the time domain response shown in figure the
lies on negative real axis
lies on positive real axis
lies on imaginary axis
is complex or imaginary
⇒ The number of p-n junctions in a semiconductor diode are
0
1
2
1 or 2
⇒ The noise figure of FET circuit is
independent of the quiescent point
dependent on the quiescent point only
dependent on the triggering mechanism
independent of all above
⇒ A cycloconverter can be
step down
step up
step down or step up
none of the above
⇒ The radix of a hexadecimal system is
2
3
8
16
⇒ In a Communication system, noise is most likely to affect the signal.
at the transmitter
In the channel
in Information source
at the destination
⇒ A dipole antenna was radiating with some excitation in free space radiating a certain amount of the power. If this antenna is immersed in a lake where water is non-dissipative but has a dielectric constant of 81, the radiated power with the same excitation will
decrease to finite non-zero value
remain the same
increase
decrease to zero
⇒ A FET has
very high input resistance
very low input resistance
high connection emitter junction
forward biased PN junction
⇒ A wire has a diameter d and resistance R. If the diameter is made 3d, the length and material remaining the same, the new value of resistance will be
R/3
3 R
R/9
9 R
⇒ An ideal Op-amp is an ideal
voltage controlled current source
voltage controlled voltage source
current controlled current source
current controlled voltage source
⇒
A-1, B-2, C-3, D-4
A-2, B-1, C-3, D-4
A-3, B-4, C-1, D-2
A-1, B-4, C-3, D-2
⇒ The response of a function is decided by
the location of its zeros
the location of its poles
both (a) and (b)
none of the above
⇒ If a line having Z_{0} = 300 ∠ 0 W is open circuited at far end, VSWR is
0
1
∞
2
⇒ The resonance frequency of the circui
5.4 Kn_{2}
4.5 Kn_{2}
5 Kn_{2}
∞
⇒ In a CD the sampling frequency is nearly
half the highest frequency in audio signal
equal to highest frequency in audio signal
double the highest frequency in audio signal
four times the highest frequency in audio signal
⇒ In radar PRF depends on maximum range.
TRUE
FALSE
⇒ In a series R-L-C circuit, the voltage across inductance will be maximum
at resonance frequency
just before resonant frequency
just after resonant frequency
none of the above
⇒ The input impedance of a non-inverting amplifier is very low.
TRUE
FALSE
⇒ Assuming a minimum angle of elevation of 5°, a geosynchronous satellite remains in line-of-sight for __________ percentage of Earth's surface.
30.3
42.4
50
25
⇒ For dielectrics in alternating field, polarizability a_{e} is a complex quantity. The imaginary part of a_{e} is zero for
ω = 0
ω → ∞
ω = 0 and ω → ∞
ω = natural frequency ω_{0}
⇒ A computer program is used to read N and print the sum 1^{2} + 2^{2} + 3^{2} +.....+ N^{2}. If N = 10, the print out will show the number
100
10
385
285
⇒ Silicon is not suitable for fabrication of light emitting diodes because it is
an indirect band gap semiconductor
direct band gap semiconductor
wideband gap semiconductor
narrowband gap semiconductor
⇒ j^{6} =
j
j^{2}
j^{3}
- j
⇒ For the given circuit, the current
0.0833333333333333
0.208333333333333
0.291666666666667
0.333333333333333
⇒ A low noise device is most important
at front end of equipment
in the last stage of equipment
in the middle stages of equipment
both (b) and (c)
⇒ In a reverse biased P-N junction, the current through the junction increases abruptly at
zero voltage
1.2 V
0.72 V
breakdown voltage
⇒ Which one of the following is a cut set of the graph in the given fig
1, 2, 3, and 4
2, 3, 4, and 6
1, 4, 5, and 6
1, 3, 4, and 5
⇒ For the transmission of normal speech, the PCM channel needs a bandwidth of __________ kHz.
2
4
16
32
⇒ The phase angle corresponding to λ/4 in a standing-wave pattern is
30°
90°
135°
180°
⇒ Separation property of state-transition matrix is
φ(t - t_{0}) = φ(t) φ(t_{0})
φ(t - t_{0}) = φ^{-1}(t) φ^{-1}(t_{0})
φ(t - t_{0}) = φ(t) φ^{-1}(t_{0})
φ(t - t_{0}) = φ^{-1}(t) φ^{-1}(t_{0})
⇒ For the time domain response shown in figure the
lies on negative real axis
lies on positive real axis
lies on imaginary axis
is complex or imaginary
⇒ The number of p-n junctions in a semiconductor diode are
0
1
2
1 or 2
⇒ The noise figure of FET circuit is
independent of the quiescent point
dependent on the quiescent point only
dependent on the triggering mechanism
independent of all above
⇒ A cycloconverter can be
step down
step up
step down or step up
none of the above
⇒ The radix of a hexadecimal system is
2
3
8
16
⇒ In a Communication system, noise is most likely to affect the signal.
at the transmitter
In the channel
in Information source
at the destination
⇒ A dipole antenna was radiating with some excitation in free space radiating a certain amount of the power. If this antenna is immersed in a lake where water is non-dissipative but has a dielectric constant of 81, the radiated power with the same excitation will
decrease to finite non-zero value
remain the same
increase
decrease to zero
⇒ A FET has
very high input resistance
very low input resistance
high connection emitter junction
forward biased PN junction
⇒ A wire has a diameter d and resistance R. If the diameter is made 3d, the length and material remaining the same, the new value of resistance will be
R/3
3 R
R/9
9 R
⇒ An ideal Op-amp is an ideal
voltage controlled current source
voltage controlled voltage source
current controlled current source
current controlled voltage source
⇒
Match the following:
List I | List II | ||
---|---|---|---|
A. | RF amplifier | 1. | Amplifier received carrier and sidebands |
B. | Loudspeaker | 2. | Gives acoustic output |
C. | Demodulator | 3. | Has IF input and AF output |
D. | IF amplifier | 4. | Fixed-tuned to intermediate frequency |
A-1, B-2, C-3, D-4
A-2, B-1, C-3, D-4
A-3, B-4, C-1, D-2
A-1, B-4, C-3, D-2
⇒ The response of a function is decided by
the location of its zeros
the location of its poles
both (a) and (b)
none of the above
⇒ If a line having Z_{0} = 300 ∠ 0 W is open circuited at far end, VSWR is
0
1
∞
2
⇒ The resonance frequency of the circui
5.4 Kn_{2}
4.5 Kn_{2}
5 Kn_{2}
∞
⇒ In a CD the sampling frequency is nearly
half the highest frequency in audio signal
equal to highest frequency in audio signal
double the highest frequency in audio signal
four times the highest frequency in audio signal
⇒ In radar PRF depends on maximum range.
TRUE
FALSE
⇒ In a series R-L-C circuit, the voltage across inductance will be maximum
at resonance frequency
just before resonant frequency
just after resonant frequency
none of the above
⇒ The input impedance of a non-inverting amplifier is very low.
TRUE
FALSE
⇒ Assuming a minimum angle of elevation of 5°, a geosynchronous satellite remains in line-of-sight for __________ percentage of Earth's surface.
30.3
42.4
50
25
⇒ For dielectrics in alternating field, polarizability a_{e} is a complex quantity. The imaginary part of a_{e} is zero for
ω = 0
ω → ∞
ω = 0 and ω → ∞
ω = natural frequency ω_{0}
⇒ A computer program is used to read N and print the sum 1^{2} + 2^{2} + 3^{2} +.....+ N^{2}. If N = 10, the print out will show the number
100
10
385
285
⇒ Silicon is not suitable for fabrication of light emitting diodes because it is
an indirect band gap semiconductor
direct band gap semiconductor
wideband gap semiconductor
narrowband gap semiconductor
⇒ j^{6} =
j
j^{2}
j^{3}
- j
⇒ For the given circuit, the current
0.0833333333333333
0.208333333333333
0.291666666666667
0.333333333333333
⇒ A low noise device is most important
at front end of equipment
in the last stage of equipment
in the middle stages of equipment
both (b) and (c)
⇒ In a reverse biased P-N junction, the current through the junction increases abruptly at
zero voltage
1.2 V
0.72 V
breakdown voltage