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Consider the following statements for 8085
| |
A. | all [Wrong Answer] |
B. | 1, 2 and 3 only [Wrong Answer] |
C. | 2, 3 and 4 only [Correct Answer] |
D. | 1, 3 and 4 only [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 :
⇒ In a CE amplifier the ac cut off voltage is 9 V and slope of ac load line is - 0.5 mA/V. The ac saturation current is
9 mA
4.5 mA
3 mA
18 mA
⇒ Superheterodyne receiver can be used in
AM
FM
SSB
All of the above
⇒ An antenna array pattern is to used for increasing
gain
directivity
directive gain
all
⇒ Which of the following is true in a tape recorder?
Vow is due to variation in motor speed but flutter is due to some other reason
Both vow and flutter are due to variations in motor speed
Flutter is due to variation in motor speed but vow is due to some other reason
Neither vow nor flutter is due to variation in motor speed
⇒ Two current sources each of rms value 10 A have frequencies 40 Hz and 50 Hz respectively. They are connected in series, the expression for resultant wave is
i = 10 sin 40 t + 10 sin 50 t
i = 14.14 sin 40 t + 14.14 sin 50 t
i = 14.14 sin 80 pt + 14.14 sin 100 pt
i = 20 sin 80 pt + 20 sin 100 pt
⇒ If absolute potential of A is - 8 V and that of B is - 16 V, V_{AB} is equal to
24 V
8 V
- 8 V
- 24 V
⇒ For the block diagram of the given figure, the equation describing system dynamic
(1 + RCs) Δθ_{0}(s) = Δθ_{i}(s) + R Δ H(s)
(1 + RCs) [ΔH(s)] = Δθ(s) - Δθ_{0}(s)
(1 + RCs) Δθ_{0}(s) = RΔ H(s) - Δ θ_{i}(s)
(1 + RCs) Δθ_{i}(s) = Δ H(s)[R] - Δθ_{0}(s)
⇒ Highest value of autocorrelation function 100 sin 50 pt is
50
zero
100
100/p
⇒ The resolution of a 12-bit D/A converter using a binary ladder with + 10V as the full scale output will be
2.44 mV
3.50 mV
4.32 mV
5.12 mV
⇒ In a half bridge inverter each thyristor is gated at a frequency f. The output frequency is
2 f
f
0.5 f
0.25 f
⇒ An amplifier has open loop gain of 100, input impedance 1 kΩ and output impedance 100 Ω. If negative feedback with β = 0.99 is used, the new input and output impedances are
10 Ω and 1 Ω
10 Ω and 10 kΩ
100 kΩ and 1 Ω
100 kΩ and 10 Ω
⇒ A short circuited stub is shunt connected to a transmission line as shown in the figure is, if z_{0} = 500 ohms, the admittance y seen at the function of the stub and the transmission line
(0.01 - j 0.02) mho
(0.02 - j 0.01) mho
(0.04 - j 0.02) mho
(0.02 + j 0) mho
⇒ Accurate amplitude measurements can be made more easily than accurate phase shift measurements.
TRUE
FALSE
⇒ An extrinsic semiconductor sample has 6 billion silicon atoms and 3 million pentavalent impurity atoms. The number of electrons and holes is
3 million each
6 billion each
3 million free electrons and very small number of holes
3 million holes and very small number of free electrons
⇒ A resistor R of 1 Ω and two inductor L_{1} and L_{2} of inductances 1 H and 2 H respectively, are connected in parallel. At some time, the current through L_{1} and L_{2} are 1 A and 2 A, respectively. The current through R at time t = ∞ will be
zero
0.0416666666666667
0.0833333333333333
0.125
⇒ When a unit step voltage drives a lag network the output
remains constant at unit step value
increases exponentially from zero to final value
decreases exponentially from 1 to 0
either (b) of (c) depending on values of R and C
⇒ In the circuit shown, in switch S is open for a long time and is closed at t = 0. The current i(t) for t ≥ 0^{+i(t) = 0.5 - 0.125e-1000t Ai(t) = 1.5 - 0.125e-1000t Ai(t) = 0.5 - 0.5e-1000t Ai(t) = 0.375e-1000t A}
⇒ An n channel depletion type MOSFET has
lightly doped p substrate and highly doped n source and drain
highly doped p substrate and highly doped n source and drain
highly doped p substrate and lightly doped n source and drain
lightly doped n substrate and highly doped n source and drain
⇒ A surge voltage
has very high magnitude and very long duration
has very high magnitude and very small duration
has very high magnitude and very small duration and can be positive or negative
can be only positive
⇒ For the discrete time system of the given fig
y_{k} - 0.5 y_{k}_{ - 1} - 0.25 y_{k}_{ - 2} = u_{k}
y_{k} + 0.5 y_{k}_{ - 1} - 0.25 y_{k}_{ - 2} = u_{k}
y_{k} - 0.5 y_{k}_{ - 1} + 0.25 y_{k}_{ - 2} = u_{k}
y_{k} + 0.5 y_{k}_{ - 1} + 0.25 y_{k}_{ - 2} = u_{k}
⇒
A-1, B-2, C-3, D-4
A-4, B-3, C-2, D-1
A-2, B-3, C-4, D-1
A-4, B-1, C-3, D-2
⇒ Which one of the following parameters does not exist for the two port network shown in the given fig
ABCD
y
h
z
⇒ The pole-zero plot given below corresponds
low pass filter
high pass filter
band pass filter
notch filter
⇒ A zero mean white Gaussian noise is passed through an ideal low pass filter of bandwidth 10 kHz. The output of the samples so obtained would be
correlated
statistically independent
uncorrelated
orthogonal
⇒ Two impedances are connected in series. Three voltmeters are connected, one across each impedance and one across combination. The readings of all the three are equal. The phase angle between voltages across the two impedances is
30°
60°
90°
120°
⇒ Which of the following oscillators is used for the generation of high frequencies?
R-C phase shift oscillator
Wien bridge oscillator
L-C oscillator
Blocking oscillator
⇒ Let JCOKE = 98 and LPEPSI = 42 Consider the statement103
106
109
none of the above
⇒ In n type MOSFET, the substrate
is p type
is n type
is metallic
may be p or n type
⇒
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
⇒ Which of the following periodic waveforms will have only odd harmonics of sinusoidal wavef
1 and 2
1 and 3
1 and 4
2 and 4
⇒ In a CE amplifier the ac cut off voltage is 9 V and slope of ac load line is - 0.5 mA/V. The ac saturation current is
9 mA
4.5 mA
3 mA
18 mA
⇒ Superheterodyne receiver can be used in
AM
FM
SSB
All of the above
⇒ An antenna array pattern is to used for increasing
gain
directivity
directive gain
all
⇒ Which of the following is true in a tape recorder?
Vow is due to variation in motor speed but flutter is due to some other reason
Both vow and flutter are due to variations in motor speed
Flutter is due to variation in motor speed but vow is due to some other reason
Neither vow nor flutter is due to variation in motor speed
⇒ Two current sources each of rms value 10 A have frequencies 40 Hz and 50 Hz respectively. They are connected in series, the expression for resultant wave is
i = 10 sin 40 t + 10 sin 50 t
i = 14.14 sin 40 t + 14.14 sin 50 t
i = 14.14 sin 80 pt + 14.14 sin 100 pt
i = 20 sin 80 pt + 20 sin 100 pt
⇒ If absolute potential of A is - 8 V and that of B is - 16 V, V_{AB} is equal to
24 V
8 V
- 8 V
- 24 V
⇒ For the block diagram of the given figure, the equation describing system dynamic
(1 + RCs) Δθ_{0}(s) = Δθ_{i}(s) + R Δ H(s)
(1 + RCs) [ΔH(s)] = Δθ(s) - Δθ_{0}(s)
(1 + RCs) Δθ_{0}(s) = RΔ H(s) - Δ θ_{i}(s)
(1 + RCs) Δθ_{i}(s) = Δ H(s)[R] - Δθ_{0}(s)
⇒ Highest value of autocorrelation function 100 sin 50 pt is
50
zero
100
100/p
⇒ The resolution of a 12-bit D/A converter using a binary ladder with + 10V as the full scale output will be
2.44 mV
3.50 mV
4.32 mV
5.12 mV
⇒ In a half bridge inverter each thyristor is gated at a frequency f. The output frequency is
2 f
f
0.5 f
0.25 f
⇒ An amplifier has open loop gain of 100, input impedance 1 kΩ and output impedance 100 Ω. If negative feedback with β = 0.99 is used, the new input and output impedances are
10 Ω and 1 Ω
10 Ω and 10 kΩ
100 kΩ and 1 Ω
100 kΩ and 10 Ω
⇒ A short circuited stub is shunt connected to a transmission line as shown in the figure is, if z_{0} = 500 ohms, the admittance y seen at the function of the stub and the transmission line
(0.01 - j 0.02) mho
(0.02 - j 0.01) mho
(0.04 - j 0.02) mho
(0.02 + j 0) mho
⇒ Accurate amplitude measurements can be made more easily than accurate phase shift measurements.
TRUE
FALSE
⇒ An extrinsic semiconductor sample has 6 billion silicon atoms and 3 million pentavalent impurity atoms. The number of electrons and holes is
3 million each
6 billion each
3 million free electrons and very small number of holes
3 million holes and very small number of free electrons
⇒ A resistor R of 1 Ω and two inductor L_{1} and L_{2} of inductances 1 H and 2 H respectively, are connected in parallel. At some time, the current through L_{1} and L_{2} are 1 A and 2 A, respectively. The current through R at time t = ∞ will be
zero
0.0416666666666667
0.0833333333333333
0.125
⇒ When a unit step voltage drives a lag network the output
remains constant at unit step value
increases exponentially from zero to final value
decreases exponentially from 1 to 0
either (b) of (c) depending on values of R and C
⇒ In the circuit shown, in switch S is open for a long time and is closed at t = 0. The current i(t) for t ≥ 0^{+i(t) = 0.5 - 0.125e-1000t Ai(t) = 1.5 - 0.125e-1000t Ai(t) = 0.5 - 0.5e-1000t Ai(t) = 0.375e-1000t A}
⇒ An n channel depletion type MOSFET has
lightly doped p substrate and highly doped n source and drain
highly doped p substrate and highly doped n source and drain
highly doped p substrate and lightly doped n source and drain
lightly doped n substrate and highly doped n source and drain
⇒ A surge voltage
has very high magnitude and very long duration
has very high magnitude and very small duration
has very high magnitude and very small duration and can be positive or negative
can be only positive
⇒ For the discrete time system of the given fig
y_{k} - 0.5 y_{k}_{ - 1} - 0.25 y_{k}_{ - 2} = u_{k}
y_{k} + 0.5 y_{k}_{ - 1} - 0.25 y_{k}_{ - 2} = u_{k}
y_{k} - 0.5 y_{k}_{ - 1} + 0.25 y_{k}_{ - 2} = u_{k}
y_{k} + 0.5 y_{k}_{ - 1} + 0.25 y_{k}_{ - 2} = u_{k}
⇒
Match the following:
List I | List II | ||
---|---|---|---|
A. | Digital counter | 1. | Measurement of harmonics |
B. | Schering Bridge | 2. | Measurement of frequency |
C. | Meggar | 3. | Measurement of loss angle of dielectric |
D. | Spectrum analyser | 4. | Measurement of insulation resistance |
A-1, B-2, C-3, D-4
A-4, B-3, C-2, D-1
A-2, B-3, C-4, D-1
A-4, B-1, C-3, D-2
⇒ Which one of the following parameters does not exist for the two port network shown in the given fig
ABCD
y
h
z
⇒ The pole-zero plot given below corresponds
low pass filter
high pass filter
band pass filter
notch filter
⇒ A zero mean white Gaussian noise is passed through an ideal low pass filter of bandwidth 10 kHz. The output of the samples so obtained would be
correlated
statistically independent
uncorrelated
orthogonal
⇒ Two impedances are connected in series. Three voltmeters are connected, one across each impedance and one across combination. The readings of all the three are equal. The phase angle between voltages across the two impedances is
30°
60°
90°
120°
⇒ Which of the following oscillators is used for the generation of high frequencies?
R-C phase shift oscillator
Wien bridge oscillator
L-C oscillator
Blocking oscillator
⇒ Let JCOKE = 98 and LPEPSI = 42 Consider the statement
106
109
none of the above
⇒ In n type MOSFET, the substrate
is p type
is n type
is metallic
may be p or n type
⇒
Assertion (A): The maximum efficiency of a class B push pull amplifier is 78.5%
Reason (R): A current mirror uses a compensating diode in parallel with the emitter diode
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
⇒ Which of the following periodic waveforms will have only odd harmonics of sinusoidal wavef
1 and 2
1 and 3
1 and 4
2 and 4