Users Also Read
MCQ's Search Engine
Electrical Engineering
Mechanical Engineering
Civil Engineering
Automobile Engineering
Chemical Engineering
Computer Engineering
Electronics Engineering
Medical Science Engg
Some ADCs are
| |
A. | 1 only [Wrong Answer] |
B. | 1, 3, 4 [Correct Answer] |
C. | 1, 2, 3 [Wrong Answer] |
D. | 1, 5, 6 [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 :
⇒ Fourier series is applicable for
periodic
finite duration
non periodic
a and b
⇒ Consider the following statements
1, 2, and only
1, 2 and 3 only
1 and 3 only
2 and 3 only
⇒ If a sample of germanium and a sample of Si have the impurity density and are kept at room temperature then
both will have equal value of resistivity
both will have equal -ve resistivity
resistivity of germanium will be higher than that of silicon
resistivity of Si will be higher than of germanium
⇒ In a JFET V_{DS} exceeds the rated value. Then it operates in
active region
ohmic region
cut off region
either cut off or active region
⇒ Which one of the following statements is correct for MOSFETS?
p channel MOS is easier to produce than n channel MOS
n channel MOS must have twice the area of p channel MOS for the same ON resistance
p channel MOS has faster switching action than n channel MOS
p channel MOS has higher packing density than n channel MOS
⇒ A thermometer requires 1 minute to indicate 98% of its final response to a step input. If it is a first order system the time constant is
1 minute
0.5 minute
0.25 minute
0.1 minute
⇒ In which one of the following types of analog to digital convertors the conversion time is practically independent of the amplitude of the analog signal?
The dual slope integrating type
Successive approximation type
Counter ramp type
Tracking type
⇒ FM broadcast lies in which band?
HF
SHF
UHF
VHF
⇒ In a 3 phase full converter, the firing angle is less than 60°. The instantaneous output voltage
will have positive part only
will have both positive and negative parts
may have both positive and negative parts
will have negative part if load is inductive
⇒
A-5, B-3, C-2, D-1
A-1, B-2, C-3, D-5
A-3, B-5, C-1, D-2
A-3, B-5, C-2, D-1
⇒ How many roots with positive real parts do the equation s^{3} + s^{2} - s + 1 = 0 have?
Zero
One
Two
Three
⇒ In the circuit of figur
I_{1} will always lag I_{3}
I_{2} may be in phase or lag I_{3}
I_{3} will always lag I_{2}
I_{2} and I_{3} will be in phase
⇒ Which of the following noise sources is different from others?
Cosmic
Solar
Atmospheric
Galactic
⇒ For an N bit ADC, the percentage resolution is [1/2^{N} - 1)] 100.
TRUE
FALSE
⇒ The resistivity of intrinsic semiconductors, at room temperature, is of the order of
1 Ω-m
1000 Ω-m
10^{6} Ω-m
10^{-3} Ω-m
⇒ Which of the following conversion is incorrect?
2048.0625 = 100000000000.0001_{2}
100000011.1001_{2} = 131.5625_{10}
101101_{2} = 45_{8}
Hexadecimal B6C_{7} = 46791_{10}
⇒ CMRR of an op-amp is about 0.1.
TRUE
FALSE
⇒ The knee voltages in silicon and germanium diodes respectively are
0.3 V and 0.7 V
0.7 V and 0.3 V
0.7 V each
0.3 V each
⇒ In a colour TV receiver, PAL Dematrix consists of
chroma detector to separate the three primary colours
delay line and PAL matrix to give U and V signals
delay line and PAL matrix to give RGB colours
none of the above
⇒ An n type semiconductor is illuminated by a steady flux of photons with energy greater than the band gap energy. The change in conductivity Δσ obeys which relati
Δσ = 0
Δσ = e(σ_{n} + σ_{p}) Δ_{n}
Δσ = e(μ_{n}Δ_{n} - μ_{p}Δ_{p})
Δσ = e μ_{n}Δ_{n}
⇒ A FM signal with modulation index M_{f} is passed through a frequency doubler. The wave in the output of the doubler will have modulation index of
M_{f}
M_{f}/2
2M_{f}
UM_{f}
⇒
A-4, B-3, C-1, D-2
A-3, B-4, C-2, D-1
A-4, B-3, C-2, D-1
A-4, B-2, C-1, D-3
⇒ In an inverting amplifier using op-amp the current input to the inverting terminal
is equal to the current through feedback resistance
is less than the current through feedback resistance
is more than the current through feedback resistance
may be equal to, less or more than current through feedback resistance
⇒ In figure, capacitor is used to develop pulses of short duration and large duty cycle across R_{2} when switch is closed. Which of the following combinations is best sui
R_{1} and R_{2} large but C small
R_{1} and R_{2} small but C large
R_{1} and C large and R_{2} small
R_{2} and C large but R_{1} small
⇒ In a digital system, the maximum clock frequency that can be used with Master/Slave Clocked flip-flops having total propagation delay of 200 μsec is
20 MHz
50 MHz
100 MHz
200 MHz
⇒ In a tuned class C power amplifier the quiescent value of collector to emitter voltage is equal to (V_{CC} denotes collector battery voltage)
V_{CC}
0.5 V_{CC}
0.25 V_{CC}
either (b) or (c)
⇒ Which of the following is not a special purpose peripheral?
Programmable DMA controller
Programmable Floppy disc controller
Programmable Hard disc controller
Programmable CRT controller
⇒ The trigonometric Fourier series for the waveform f(t) shown below con
only cosine terms and zero value for the dc component
only cosine terms and a positive value for the dc component
only cosine terms and a negative value for the dc component
only sine terms and a negative for the dc component
⇒ The forms of IF statements in FORTRAN 77 are called
logical IF and Block IF
logical IF, block IF and arithmetic IF
logic IF, block IF, arithmetic IF and negate IF
logical IF and arithmetic IF
⇒ The commonly employed filter in SSB generation is
high pass filter
RC filter
LC filter
mechanical filter
⇒ Fourier series is applicable for
periodic
finite duration
non periodic
a and b
⇒ Consider the following statements
- Bunching of electrons occurs in two cavity klystron amplifier.
- Bunching of electrons occurs in multi cavity klystron amplifier.
- Bunching of electrons occurs in reflex cavity klystron amplifier.
1, 2, and only
1, 2 and 3 only
1 and 3 only
2 and 3 only
⇒ If a sample of germanium and a sample of Si have the impurity density and are kept at room temperature then
both will have equal value of resistivity
both will have equal -ve resistivity
resistivity of germanium will be higher than that of silicon
resistivity of Si will be higher than of germanium
⇒ In a JFET V_{DS} exceeds the rated value. Then it operates in
active region
ohmic region
cut off region
either cut off or active region
⇒ Which one of the following statements is correct for MOSFETS?
p channel MOS is easier to produce than n channel MOS
n channel MOS must have twice the area of p channel MOS for the same ON resistance
p channel MOS has faster switching action than n channel MOS
p channel MOS has higher packing density than n channel MOS
⇒ A thermometer requires 1 minute to indicate 98% of its final response to a step input. If it is a first order system the time constant is
1 minute
0.5 minute
0.25 minute
0.1 minute
⇒ In which one of the following types of analog to digital convertors the conversion time is practically independent of the amplitude of the analog signal?
The dual slope integrating type
Successive approximation type
Counter ramp type
Tracking type
⇒ FM broadcast lies in which band?
HF
SHF
UHF
VHF
⇒ In a 3 phase full converter, the firing angle is less than 60°. The instantaneous output voltage
will have positive part only
will have both positive and negative parts
may have both positive and negative parts
will have negative part if load is inductive
⇒
Match the following:
List I | List II | ||
---|---|---|---|
A. | Resistance | 1. | Current noise |
B. | Diode | 2. | Partition noise |
C. | Triode | 3. | Shot noise |
D. | p-n junction | 4. | Atmospheric noise |
5. | Johnson noise |
A-5, B-3, C-2, D-1
A-1, B-2, C-3, D-5
A-3, B-5, C-1, D-2
A-3, B-5, C-2, D-1
⇒ How many roots with positive real parts do the equation s^{3} + s^{2} - s + 1 = 0 have?
Zero
One
Two
Three
⇒ In the circuit of figur
I_{1} will always lag I_{3}
I_{2} may be in phase or lag I_{3}
I_{3} will always lag I_{2}
I_{2} and I_{3} will be in phase
⇒ Which of the following noise sources is different from others?
Cosmic
Solar
Atmospheric
Galactic
⇒ For an N bit ADC, the percentage resolution is [1/2^{N} - 1)] 100.
TRUE
FALSE
⇒ The resistivity of intrinsic semiconductors, at room temperature, is of the order of
1 Ω-m
1000 Ω-m
10^{6} Ω-m
10^{-3} Ω-m
⇒ Which of the following conversion is incorrect?
2048.0625 = 100000000000.0001_{2}
100000011.1001_{2} = 131.5625_{10}
101101_{2} = 45_{8}
Hexadecimal B6C_{7} = 46791_{10}
⇒ CMRR of an op-amp is about 0.1.
TRUE
FALSE
⇒ The knee voltages in silicon and germanium diodes respectively are
0.3 V and 0.7 V
0.7 V and 0.3 V
0.7 V each
0.3 V each
⇒ In a colour TV receiver, PAL Dematrix consists of
chroma detector to separate the three primary colours
delay line and PAL matrix to give U and V signals
delay line and PAL matrix to give RGB colours
none of the above
⇒ An n type semiconductor is illuminated by a steady flux of photons with energy greater than the band gap energy. The change in conductivity Δσ obeys which relati
Δσ = 0
Δσ = e(σ_{n} + σ_{p}) Δ_{n}
Δσ = e(μ_{n}Δ_{n} - μ_{p}Δ_{p})
Δσ = e μ_{n}Δ_{n}
⇒ A FM signal with modulation index M_{f} is passed through a frequency doubler. The wave in the output of the doubler will have modulation index of
M_{f}
M_{f}/2
2M_{f}
UM_{f}
⇒
Match the following:
List I | List II | ||
---|---|---|---|
A. | Detection of a periodic signal in noise | 1. | Increase in bandwidth |
B. | Recovery of a band limited signal from its uniformly sampled values | 2. | Slope overload error |
C. | Finer quantization of signal | 3. | Nyquist rate |
D. | Delta modulation | 4. | Cross correlation |
A-4, B-3, C-1, D-2
A-3, B-4, C-2, D-1
A-4, B-3, C-2, D-1
A-4, B-2, C-1, D-3
⇒ In an inverting amplifier using op-amp the current input to the inverting terminal
is equal to the current through feedback resistance
is less than the current through feedback resistance
is more than the current through feedback resistance
may be equal to, less or more than current through feedback resistance
⇒ In figure, capacitor is used to develop pulses of short duration and large duty cycle across R_{2} when switch is closed. Which of the following combinations is best sui
R_{1} and R_{2} large but C small
R_{1} and R_{2} small but C large
R_{1} and C large and R_{2} small
R_{2} and C large but R_{1} small
⇒ In a digital system, the maximum clock frequency that can be used with Master/Slave Clocked flip-flops having total propagation delay of 200 μsec is
20 MHz
50 MHz
100 MHz
200 MHz
⇒ In a tuned class C power amplifier the quiescent value of collector to emitter voltage is equal to (V_{CC} denotes collector battery voltage)
V_{CC}
0.5 V_{CC}
0.25 V_{CC}
either (b) or (c)
⇒ Which of the following is not a special purpose peripheral?
Programmable DMA controller
Programmable Floppy disc controller
Programmable Hard disc controller
Programmable CRT controller
⇒ The trigonometric Fourier series for the waveform f(t) shown below con
only cosine terms and zero value for the dc component
only cosine terms and a positive value for the dc component
only cosine terms and a negative value for the dc component
only sine terms and a negative for the dc component
⇒ The forms of IF statements in FORTRAN 77 are called
logical IF and Block IF
logical IF, block IF and arithmetic IF
logic IF, block IF, arithmetic IF and negate IF
logical IF and arithmetic IF
⇒ The commonly employed filter in SSB generation is
high pass filter
RC filter
LC filter
mechanical filter