Users Also Read
MCQ's Search Engine
Electrical Engineering
Mechanical Engineering
Civil Engineering
Automobile Engineering
Chemical Engineering
Computer Engineering
Electronics Engineering
Medical Science Engg
Assertion (A): In hybrid digital circuits the problem of logic race can occur. Reason (R): In two level logic there is no problem of logic race. | |
A. | Both A and R are correct and R is correct explanation of A [Wrong Answer] |
B. | Both A and R are correct but R is not correct explanation of A [Correct Answer] |
C. | A is true, R is false [Wrong Answer] |
D. | A is false, R is true [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 :
⇒ Hystresis loss least depends on
frequency
magnetic field intensity
volume of the material
grain orientation of material
⇒ Find the value of K and velocity constant K_{v} so that the maximum overshoot in the unit step response is 0.2 and the peak time is 1
12.37, 0.175
12.86, 2.175
11.36, 1.175
1.86, 0.175
⇒ A P-channel MOSFET operating in the enhancement mode is characterized by V_{t} = - 4 V and I_{DQ} = - 10 mA, when V_{GSQ} = - 5.5 V, what will be V_{GSQ} if I_{DQ} = -15 mA and I_{D, on} = - 16 mA
- 2 V
3 V
0.13 V
1.3 V
⇒ The parameter h_{11} for CB circuit is higher than that for CE circuit.
TRUE
FALSE
⇒ The conductivity of an intrinsic semiconductor is (symbols have the usual meanings).
generally less than that a doped semiconductor
σ_{i} = en_{i} (μ_{n} - μ_{p})
σ_{i} = en_{i} (μ_{n} + μ_{p})
σ_{i} = n_{i} (μ_{n} - μ_{p})
⇒ In the circuit shown in the given figure, R_{L} will absorb maximum power when its valu
2.75 Ω
7.5 Ω
25 Ω
27 Ω
⇒ The transfer function of a controller is given as K_{p} + K_{d}.s where K_{p} and K_{d} are constants. What type of controller is this?
Proportional
Proportional plus integral
Proportional plus derivative
Integral plus derivative
⇒ A differential amplifier is invariably used in the I/P stage of all OP-amps. This is done basically to produce the OP-amp with a very high.
CMRR
bandwidth
slew rate
open-loop gain
⇒ The Z-inverse of the given Z-transform is _______
unit step
unit ramp
unit impulse
unit parabola
⇒ In asynchronous TDM, for n signal sources, each frame contains m slots, where m is usually
Less than n
2n
n
greater than 2n
⇒ In rectifiers the use of RC filters is recommended when
load current is high
load current is small
load current is neither high nor small
either (a) or (c)
⇒ In the CMOS inverter
one transistor is N channel and the other P channel
one is enhancement type and other depletion type
both are N channel with one enhancement and the other depletion type
none
⇒ Which of these are allowed in Basic?
Arithmetic operators +, -, *, / etc.
Logical operators AND, OR, NOT
Relational operators =, <, > etc.
All of the above
⇒ In MF range, increasing the transmitter power
increases the range of transmitter
does not increase the range of transmitter because propagation is limited by tilt
decreases the range of transmitter because propagation is limited by tilt
increases the range of transmitter because propagation is through space waves
⇒ When analysing two port networks in parallel it is more convenient to use
z parameters
h parameters
T parameters
y parameters
⇒
A-1, B-2, C-3, D-4
A-4, B-3, C-2, D-1
A-3, B-2, C-1, D-4
A-3, B-2, C-4, D-1
⇒ Wienbridge oscillator uses
-ve feedback
+ve feedback
both +ve, -ve feedback
feedback is not required
⇒ An engineer designs an amplifier to have a voltage gain of 60, but when constructed it only had a gain of 50. Which of the following will increases from this type of operation?
Stability
Bandwidth
Distortion
Input resistance
⇒ When a high voltage reference is required it is advantageous to use two or more zener diodes in series to allow
higher voltage
higher dissipation
lower temperature coefficient
all of the above
⇒ In dielectric heating, the thyristor circuits consist of
rectifier-chopper combination
controlled rectifier
ac regulator
rectifier-inverter combination
⇒ If the voltage across the last resistor is V, and all the resistor is unity. Then V_{s} is give
8 V
4 V
13 V
0
⇒ The conductivity of materials found in nature ranges from 10^{9} ohm^{-1}m^{-1} to nearly 10^{18} ohm^{-1} m^{-1} from this it can be concluded that the conductivity of silicon in ohm^{-1} cm^{-1} will be nearly
0.5 x 10^{-15}
0.5 x 10^{-21}
0.5 x 10^{-12}
0.5 x 10^{-3}
⇒ For a BJT if β = 50, I_{CEO} = 3 μA and I_{C} = 1.2 mA then I_{E}
1 mA
1.2 mA
1.3 mA
1.4 mA
⇒ The charge of an electron is
1.6 x 10^{-17} coulomb
1.6 x 10^{-19 } coulomb
1.6 x 10^{-21} coulomb
1.6 x 10^{-23} coulomb
⇒ A diode is operating in forward region and the forward voltage and current are v = 3 + 0.3 sin ωt (volts) and i = 5 + 0.2 sin ωt (mA). The average power dissipated is
15 mW
about 15 mW
1.5 mW
about 1.5 mW
⇒ The resistance of voltmeter affects the accuracy of measurement in loss of charge method.
TRUE
FALSE
⇒ The number of PM radio channels which can be accommodated in a spectrum of 300 MHz is about
10
100
500
1500
⇒ Reluctivity is analogous to
permeability
conductivity
resistivity
retentivity
⇒ A bipolar transistor is a __________ controlled devices whereas a FET is a __________ controlled devices.
current, voltage
current, current
voltage, current
voltage, voltage
⇒ The type of feedback in the following circuit diag
Voltage shunt
Current-shunt
Voltage series
Current series
⇒ Hystresis loss least depends on
frequency
magnetic field intensity
volume of the material
grain orientation of material
⇒ Find the value of K and velocity constant K_{v} so that the maximum overshoot in the unit step response is 0.2 and the peak time is 1
12.37, 0.175
12.86, 2.175
11.36, 1.175
1.86, 0.175
⇒ A P-channel MOSFET operating in the enhancement mode is characterized by V_{t} = - 4 V and I_{DQ} = - 10 mA, when V_{GSQ} = - 5.5 V, what will be V_{GSQ} if I_{DQ} = -15 mA and I_{D, on} = - 16 mA
- 2 V
3 V
0.13 V
1.3 V
⇒ The parameter h_{11} for CB circuit is higher than that for CE circuit.
TRUE
FALSE
⇒ The conductivity of an intrinsic semiconductor is (symbols have the usual meanings).
generally less than that a doped semiconductor
σ_{i} = en_{i} (μ_{n} - μ_{p})
σ_{i} = en_{i} (μ_{n} + μ_{p})
σ_{i} = n_{i} (μ_{n} - μ_{p})
⇒ In the circuit shown in the given figure, R_{L} will absorb maximum power when its valu
2.75 Ω
7.5 Ω
25 Ω
27 Ω
⇒ The transfer function of a controller is given as K_{p} + K_{d}.s where K_{p} and K_{d} are constants. What type of controller is this?
Proportional
Proportional plus integral
Proportional plus derivative
Integral plus derivative
⇒ A differential amplifier is invariably used in the I/P stage of all OP-amps. This is done basically to produce the OP-amp with a very high.
CMRR
bandwidth
slew rate
open-loop gain
⇒ The Z-inverse of the given Z-transform is _______
unit step
unit ramp
unit impulse
unit parabola
⇒ In asynchronous TDM, for n signal sources, each frame contains m slots, where m is usually
Less than n
2n
n
greater than 2n
⇒ In rectifiers the use of RC filters is recommended when
load current is high
load current is small
load current is neither high nor small
either (a) or (c)
⇒ In the CMOS inverter
one transistor is N channel and the other P channel
one is enhancement type and other depletion type
both are N channel with one enhancement and the other depletion type
none
⇒ Which of these are allowed in Basic?
Arithmetic operators +, -, *, / etc.
Logical operators AND, OR, NOT
Relational operators =, <, > etc.
All of the above
⇒ In MF range, increasing the transmitter power
increases the range of transmitter
does not increase the range of transmitter because propagation is limited by tilt
decreases the range of transmitter because propagation is limited by tilt
increases the range of transmitter because propagation is through space waves
⇒ When analysing two port networks in parallel it is more convenient to use
z parameters
h parameters
T parameters
y parameters
⇒
Match the following:
List I | List II | ||
---|---|---|---|
A. | True type | 1. | Type of calculator in window |
B. | FIND | 2. | Window command |
C. | WORD PAD | 3. | Name of a Font |
D. | STANDARD | 4. | Has many features of a simple word processor |
A-1, B-2, C-3, D-4
A-4, B-3, C-2, D-1
A-3, B-2, C-1, D-4
A-3, B-2, C-4, D-1
⇒ Wienbridge oscillator uses
-ve feedback
+ve feedback
both +ve, -ve feedback
feedback is not required
⇒ An engineer designs an amplifier to have a voltage gain of 60, but when constructed it only had a gain of 50. Which of the following will increases from this type of operation?
Stability
Bandwidth
Distortion
Input resistance
⇒ When a high voltage reference is required it is advantageous to use two or more zener diodes in series to allow
higher voltage
higher dissipation
lower temperature coefficient
all of the above
⇒ In dielectric heating, the thyristor circuits consist of
rectifier-chopper combination
controlled rectifier
ac regulator
rectifier-inverter combination
⇒ If the voltage across the last resistor is V, and all the resistor is unity. Then V_{s} is give
8 V
4 V
13 V
0
⇒ The conductivity of materials found in nature ranges from 10^{9} ohm^{-1}m^{-1} to nearly 10^{18} ohm^{-1} m^{-1} from this it can be concluded that the conductivity of silicon in ohm^{-1} cm^{-1} will be nearly
0.5 x 10^{-15}
0.5 x 10^{-21}
0.5 x 10^{-12}
0.5 x 10^{-3}
⇒ For a BJT if β = 50, I_{CEO} = 3 μA and I_{C} = 1.2 mA then I_{E}
1 mA
1.2 mA
1.3 mA
1.4 mA
⇒ The charge of an electron is
1.6 x 10^{-17} coulomb
1.6 x 10^{-19 } coulomb
1.6 x 10^{-21} coulomb
1.6 x 10^{-23} coulomb
⇒ A diode is operating in forward region and the forward voltage and current are v = 3 + 0.3 sin ωt (volts) and i = 5 + 0.2 sin ωt (mA). The average power dissipated is
15 mW
about 15 mW
1.5 mW
about 1.5 mW
⇒ The resistance of voltmeter affects the accuracy of measurement in loss of charge method.
TRUE
FALSE
⇒ The number of PM radio channels which can be accommodated in a spectrum of 300 MHz is about
10
100
500
1500
⇒ Reluctivity is analogous to
permeability
conductivity
resistivity
retentivity
⇒ A bipolar transistor is a __________ controlled devices whereas a FET is a __________ controlled devices.
current, voltage
current, current
voltage, current
voltage, voltage
⇒ The type of feedback in the following circuit diag
Voltage shunt
Current-shunt
Voltage series
Current series