Users Also Read
MCQ's Search Engine
Electrical Engineering
Mechanical Engineering
Civil Engineering
Automobile Engineering
Chemical Engineering
Computer Engineering
Electronics Engineering
Medical Science Engg
Consider the following statements
| |
A. | 1 and 3 [Correct Answer] |
B. | 2 and 4 [Wrong Answer] |
C. | 3 and 4 [Wrong Answer] |
D. | 1 and 2 [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 :
⇒ In the given figure shows a logic circuit. The minimum Boolean expression for this circui
A + B
A + B + C
AB + C
AB + AC + BC
⇒ In the op-amp circuit of figure, V_{0Vi3 Vi5 Vi0.5 Vi}
⇒ The echo heard by a telephone user on a satellite channel can be removed by using
a vocoder
a multiplexer
echo suppressor
digital techniques
⇒ MTI stands for
Moving Target Indicator
Microprocessor Tracking Index
Multiplexed Telemetry Index
Maximum Transmission Index
⇒ A circular polarizer converts a linearly polarized wave into a circularly polarised wave.
TRUE
FALSE
⇒ Polar plot of a lag-lead compensator is a circle.
TRUE
FALSE
⇒ The main advantage of CMOS circuit is
high gain
high output impedance
low power consumption
high gain and high output impedance
⇒ Fidelity of a receiver represents
the sensitivity expressed in terms of voltage that must be applied to the receiver input to give a standard output
the extent to which the receiver is capable of distinguishing between the desired signal and other frequencies
the variation of the output with the modulation frequency when the output impedance is a resistance
none of the above
⇒ A device has two resistances 300 Ω and 200 Ω respectively. The noise voltages due to these two resistance calculated separately are 5.38 μV and 4.38 μV respectively. When both of them are used together, the noise voltage will be
9.76 V
1 μV
23.56 μV
6.94 μV
⇒ If antenna diameter is increased four times, the maximum range is increased by a factor of
2
2
4
0.2
⇒ A 1000 kHz carrier is simultaneously modulated with 300 Hz, 800 Hz and 2 kHz audio sine waves. Which of the following frequency is least likely to be present in the output?
1002 kHz
1000 kHz
999.2 kHz
998.0 kHz
⇒ A unit step function is used to represent the closing a switch in a constant voltage system.
TRUE
FALSE
⇒ For parallel RLC circuit, which one of the following statements is NOT correct?
The bandwidth of the circuit deceases if R is increased
The bandwidth of the circuit remains same if L is increased
At resonance, input impedance is a real quantity
At resonance, the magnitude of input impedance attains its minimum value
⇒ For an ac sinusoidal wave, the rms value is 10 A. For the same wave delayed by 60° in each half cycle, the rms value is likely to be
0.416666666666667
7.07 A
6.35 A
3.5 A
⇒ Consider a random noise voltage which has a uniform density function as shown in the figure and is known to be wh
2 bits/reading
5 bits/reading
10 bits/reading
none of these
⇒ The threshold voltage of an n-channel enhancement mode MOSFET is 0.5 when the device is biased at a gate voltage of 3V. Pinch off would occur at a drain voltage of
1.5 V
2.5 V
3.5 V
4.5 V
⇒ 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
⇒ A rectangular waveguide is a
rectangular conducting wire to propagate electromagnetic waves
hollow rectangular walled room carrying electromagnetic wave
hollow rectangular conducting tube through which electromagnetic waves can be propagated
tube antenna to transmit and receive electromagnetic waves
⇒ A system is said to be marginal stable if
poles lies on Real axis
zero lies on Real axis
poles lies on Imaginary axis
zeros lies on origin
⇒ A capacitor used for power factor correction is single phase circuit decreases
power factor
line current
both line current and p.f.
the line current and increases p.f.
⇒ Figure shows the V-i characteristics of a material. The material is likely t
copper
carbon
zinc oxide
rubber
⇒ In a line VSWR of a load is 6 dB. The reflection coefficient will be
0.033
0.33
0.66
3.3
⇒ A NOR gate is a combination of
OR gate and AND gate
AND gate and NOT gate
OR gate and NOT gate
two NOT gates
⇒ 8085 data bus has 8 lines and is bidirectional.
TRUE
FALSE
⇒ M circles are symmetrical with respect to real axis.
TRUE
FALSE
⇒ Which of the following features is not associated with Nichols chart?
(0 dB, -180°) point on Nichols chart represent critical Point (-1, 0)
It is symmetric about -180°
M loci are centred about (0 dB, -180°) point
The frequency at intersection of G(jω) locus and M = +3 dB locus gives bandwidth of closed loop system
⇒ For a second order system, damping ratio ζ is such that 0 < ζ <. Then the roots of characteristic equation are
real but not equal
real and equal
complex conjugate
imaginary
⇒ Find the power absorbed or delivered by each sou
a = -32 b = - 12 c = -80 d = -60
a = -32 b = - 12 c = 80 d = 60
a = 32 b = 12 c = -80 d = 60
a = -32 b = 12 c = 80 d = -60
⇒ A Hartley oscillator is used for generation
very low frequency oscillation
radio frequency oscillation
microwave oscillation
audio-frequency oscillation
⇒ In a bipolar junction transistor the base region is made very thin so that
recombination in base region is minimum
electric field gradient in base is high
base can be easily fabricated
base can be easily biased
⇒ In the given figure shows a logic circuit. The minimum Boolean expression for this circui
A + B
A + B + C
AB + C
AB + AC + BC
⇒ In the op-amp circuit of figure, V_{0Vi3 Vi5 Vi0.5 Vi}
⇒ The echo heard by a telephone user on a satellite channel can be removed by using
a vocoder
a multiplexer
echo suppressor
digital techniques
⇒ MTI stands for
Moving Target Indicator
Microprocessor Tracking Index
Multiplexed Telemetry Index
Maximum Transmission Index
⇒ A circular polarizer converts a linearly polarized wave into a circularly polarised wave.
TRUE
FALSE
⇒ Polar plot of a lag-lead compensator is a circle.
TRUE
FALSE
⇒ The main advantage of CMOS circuit is
high gain
high output impedance
low power consumption
high gain and high output impedance
⇒ Fidelity of a receiver represents
the sensitivity expressed in terms of voltage that must be applied to the receiver input to give a standard output
the extent to which the receiver is capable of distinguishing between the desired signal and other frequencies
the variation of the output with the modulation frequency when the output impedance is a resistance
none of the above
⇒ A device has two resistances 300 Ω and 200 Ω respectively. The noise voltages due to these two resistance calculated separately are 5.38 μV and 4.38 μV respectively. When both of them are used together, the noise voltage will be
9.76 V
1 μV
23.56 μV
6.94 μV
⇒ If antenna diameter is increased four times, the maximum range is increased by a factor of
2
2
4
0.2
⇒ A 1000 kHz carrier is simultaneously modulated with 300 Hz, 800 Hz and 2 kHz audio sine waves. Which of the following frequency is least likely to be present in the output?
1002 kHz
1000 kHz
999.2 kHz
998.0 kHz
⇒ A unit step function is used to represent the closing a switch in a constant voltage system.
TRUE
FALSE
⇒ For parallel RLC circuit, which one of the following statements is NOT correct?
The bandwidth of the circuit deceases if R is increased
The bandwidth of the circuit remains same if L is increased
At resonance, input impedance is a real quantity
At resonance, the magnitude of input impedance attains its minimum value
⇒ For an ac sinusoidal wave, the rms value is 10 A. For the same wave delayed by 60° in each half cycle, the rms value is likely to be
0.416666666666667
7.07 A
6.35 A
3.5 A
⇒ Consider a random noise voltage which has a uniform density function as shown in the figure and is known to be wh
2 bits/reading
5 bits/reading
10 bits/reading
none of these
⇒ The threshold voltage of an n-channel enhancement mode MOSFET is 0.5 when the device is biased at a gate voltage of 3V. Pinch off would occur at a drain voltage of
1.5 V
2.5 V
3.5 V
4.5 V
⇒ 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
⇒ A rectangular waveguide is a
rectangular conducting wire to propagate electromagnetic waves
hollow rectangular walled room carrying electromagnetic wave
hollow rectangular conducting tube through which electromagnetic waves can be propagated
tube antenna to transmit and receive electromagnetic waves
⇒ A system is said to be marginal stable if
poles lies on Real axis
zero lies on Real axis
poles lies on Imaginary axis
zeros lies on origin
⇒ A capacitor used for power factor correction is single phase circuit decreases
power factor
line current
both line current and p.f.
the line current and increases p.f.
⇒ Figure shows the V-i characteristics of a material. The material is likely t
copper
carbon
zinc oxide
rubber
⇒ In a line VSWR of a load is 6 dB. The reflection coefficient will be
0.033
0.33
0.66
3.3
⇒ A NOR gate is a combination of
OR gate and AND gate
AND gate and NOT gate
OR gate and NOT gate
two NOT gates
⇒ 8085 data bus has 8 lines and is bidirectional.
TRUE
FALSE
⇒ M circles are symmetrical with respect to real axis.
TRUE
FALSE
⇒ Which of the following features is not associated with Nichols chart?
(0 dB, -180°) point on Nichols chart represent critical Point (-1, 0)
It is symmetric about -180°
M loci are centred about (0 dB, -180°) point
The frequency at intersection of G(jω) locus and M = +3 dB locus gives bandwidth of closed loop system
⇒ For a second order system, damping ratio ζ is such that 0 < ζ <. Then the roots of characteristic equation are
real but not equal
real and equal
complex conjugate
imaginary
⇒ Find the power absorbed or delivered by each sou
a = -32 b = - 12 c = -80 d = -60
a = -32 b = - 12 c = 80 d = 60
a = 32 b = 12 c = -80 d = 60
a = -32 b = 12 c = 80 d = -60
⇒ A Hartley oscillator is used for generation
very low frequency oscillation
radio frequency oscillation
microwave oscillation
audio-frequency oscillation
⇒ In a bipolar junction transistor the base region is made very thin so that
recombination in base region is minimum
electric field gradient in base is high
base can be easily fabricated
base can be easily biased