Users Also Read
MCQ's Search Engine
Electrical Engineering
Mechanical Engineering
Civil Engineering
Automobile Engineering
Chemical Engineering
Computer Engineering
Electronics Engineering
Medical Science Engg
In the given figure shows a negative logic AND gate. If positive logic is used this gate is equivalen | |
A. | AND gate [Wrong Answer] |
B. | OR gate [Wrong Answer] |
C. | NOR gate [Correct Answer] |
D. | NAND gate [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 :
⇒ Consider the following statements
1, 2 and 3
1, 2, 3 and 4
1, 2 and 4
3 and 4
⇒ The number of bits of information required to indicate the correct selection of 3 independent consecutive events out of 75 equally probable events is
6.23
18.69
10.46
24.92
⇒ QAM stands for
Quasi-Amplitude Modulation
Quadrature Angle Modulation
Quadrature Amplitude Modulation
None of the above
⇒ Which of the following correctly declares a pointer to an array of intergers in C?
int * P [20]
int * P
int (* P) [20]
int * (P [20])
⇒ If Z(s) has a pole at origin, the realization leads to
a resistance in series
an inductance in series
a capacitance in series
a resistance or capacitance in series
⇒ How many maximum number of functions can be defined with two symbols which are Boolean in nature:
4
8
2
16
⇒ - 56 is not a valid real constant in Fortran.
TRUE
FALSE
⇒ Most small signal transistors are
N-P-N, silicon, in a plastic package
P-N-P, silicon, in a plastic package
N-P-N, germanium in a metallic case
P-N-P, germanium in a metallic case
⇒ In a colour TV receiver AFT stands for
Automatic Fine Tuning
Automatic Frequency Tuning
Automatic Field Tuning
Alignment Frequency Tuning
⇒ A (75 - j 50) Ω load is connected to a coaxial line of Z_{0} = 75 Ω at 10 GHz. The best method of matching consists of using
a capacitance at some specific distance from load
a short circuited stub at some specific distance from load
an inductance at load
a short circuited stub at load
⇒ In Modulation, "carrier" is
resultant wave
speech voltage to be transmitted
voltage with constant frequency, phase or amplitude
voltage for which frequency, phase or amplitude is varied
⇒ A radar has a maximum range of 120 km. The maximum allowable pulse repetition frequency for unambiguous reception is
1250
330
2500
8330
⇒
A-1, B-3, C-4, D-2
A-2, B-1, C-3, D-4
A-1, B-2, C-3, D-4
A-4, B-2, C-1, D-3
⇒ The ASCII code is for information interchange by a binary code for
alphabet only
number only
alpha-numeric and other common symbols
none of these
⇒ If Laplace transform of f(t) is F(s), then £ f(t - a) u (t - a)= 0
e^{as} F(s)
e^{-as} F(s)
- e^{as} F(s)
- e ^{-as} F(s)
⇒
Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct but R is wrong
A is wrong but R is correct
⇒ When energy is fed into open wire transmission line the energy may get dissipated due to
radiation
conductor heating
dielectric heating
all of the above
⇒ A single phase half wave rectifier circuit has a free wheeling diode. The free wheeling diode will conduct only if
load is purely resistive
load is purely inductive
load is combination of R and L
load is purely inductive or combination of R and L
⇒ If the iron core of a coil is removed so that it becomes an air cored coil, its inductance
will increase
will decrease
will remain the same
may increase or decrease
⇒ Find the number of loop equation and number of possible trees for the given gr
7, 2097152
7, 262144
7.5764801
6, 823543
⇒ The O/P Power of a power amplifier is several times its input power. It is possible because
power amplifier introduces a -ve resistance
there is +ve feed back in the circuit
step up transformer is use in the circuit
power amplifier converts a part of I/P d.c. power into a.c. power
⇒ Two wattmeter method of 3-phase power measurement can be used to find
total active power
total active power and power factor
total active power and reactive power
total active power, power factor, apparent power, and reactive power
⇒ Vidicon and plumbicon operate on the principle of
photo conduction
photo emission
photo voltaic
none of the above
⇒ In the network of figure, the voltage drops across R_{1}, R_{2}, R_{3} are 6 V, 8 V and 12 V with polarities as shown. The value of R_{312 Ω8 Ω5 Ω3 Ω}
⇒ For the time domain response shown in figure the
lies in left half plane
lies in right half plane
lies at origin
may be complex or imaginary
⇒ The multiplication of two n bit numbers gives a product of length less than or equal to
n bits
2^{n} bits
2n bits
2^{n} - 1 bits
⇒ VTM stands for voltage tunable magnetron.
TRUE
FALSE
⇒ In intrinsic semiconductors, the number of free electrons is equal to the number of mobile holes.
TRUE
FALSE
⇒ For a transmission line open circuit and short circuit impedances are 20 Ω and 5 Ω. Then characteristic impedance is
100 Ω
50 Ω
25 Ω
10 Ω
⇒ For an ideal antenna, numerical value of directivity must be
∞
0
1
any value
⇒ Consider the following statements
- Tellegen's theorem is applicable to any lumped network.
- Reciprocity theorem is applicable to linear bilateral network.
- Thevenin theorem is applicable to two terminal linear active network.
- Norton's theorem is applicable to linear active network.
1, 2 and 3
1, 2, 3 and 4
1, 2 and 4
3 and 4
⇒ The number of bits of information required to indicate the correct selection of 3 independent consecutive events out of 75 equally probable events is
6.23
18.69
10.46
24.92
⇒ QAM stands for
Quasi-Amplitude Modulation
Quadrature Angle Modulation
Quadrature Amplitude Modulation
None of the above
⇒ Which of the following correctly declares a pointer to an array of intergers in C?
int * P [20]
int * P
int (* P) [20]
int * (P [20])
⇒ If Z(s) has a pole at origin, the realization leads to
a resistance in series
an inductance in series
a capacitance in series
a resistance or capacitance in series
⇒ How many maximum number of functions can be defined with two symbols which are Boolean in nature:
4
8
2
16
⇒ - 56 is not a valid real constant in Fortran.
TRUE
FALSE
⇒ Most small signal transistors are
N-P-N, silicon, in a plastic package
P-N-P, silicon, in a plastic package
N-P-N, germanium in a metallic case
P-N-P, germanium in a metallic case
⇒ In a colour TV receiver AFT stands for
Automatic Fine Tuning
Automatic Frequency Tuning
Automatic Field Tuning
Alignment Frequency Tuning
⇒ A (75 - j 50) Ω load is connected to a coaxial line of Z_{0} = 75 Ω at 10 GHz. The best method of matching consists of using
a capacitance at some specific distance from load
a short circuited stub at some specific distance from load
an inductance at load
a short circuited stub at load
⇒ In Modulation, "carrier" is
resultant wave
speech voltage to be transmitted
voltage with constant frequency, phase or amplitude
voltage for which frequency, phase or amplitude is varied
⇒ A radar has a maximum range of 120 km. The maximum allowable pulse repetition frequency for unambiguous reception is
1250
330
2500
8330
⇒
Match the following:
List I | List II | ||
---|---|---|---|
A. | Sky wave | 1. | parasitic elements |
B. | Antenna feed | 2. | delta match |
C. | Reflector | 3. | long-wire antenna |
D. | Rhombic antenna | 4. | ionosphere |
A-1, B-3, C-4, D-2
A-2, B-1, C-3, D-4
A-1, B-2, C-3, D-4
A-4, B-2, C-1, D-3
⇒ The ASCII code is for information interchange by a binary code for
alphabet only
number only
alpha-numeric and other common symbols
none of these
⇒ If Laplace transform of f(t) is F(s), then £ f(t - a) u (t - a)= 0
e^{as} F(s)
e^{-as} F(s)
- e^{as} F(s)
- e ^{-as} F(s)
⇒
Assertion (A): An artificial transmission line can be used as a pulse generator.
Reason (R): A pulse function is used very frequently in network analysis.
Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct but R is wrong
A is wrong but R is correct
⇒ When energy is fed into open wire transmission line the energy may get dissipated due to
radiation
conductor heating
dielectric heating
all of the above
⇒ A single phase half wave rectifier circuit has a free wheeling diode. The free wheeling diode will conduct only if
load is purely resistive
load is purely inductive
load is combination of R and L
load is purely inductive or combination of R and L
⇒ If the iron core of a coil is removed so that it becomes an air cored coil, its inductance
will increase
will decrease
will remain the same
may increase or decrease
⇒ Find the number of loop equation and number of possible trees for the given gr
7, 2097152
7, 262144
7.5764801
6, 823543
⇒ The O/P Power of a power amplifier is several times its input power. It is possible because
power amplifier introduces a -ve resistance
there is +ve feed back in the circuit
step up transformer is use in the circuit
power amplifier converts a part of I/P d.c. power into a.c. power
⇒ Two wattmeter method of 3-phase power measurement can be used to find
total active power
total active power and power factor
total active power and reactive power
total active power, power factor, apparent power, and reactive power
⇒ Vidicon and plumbicon operate on the principle of
photo conduction
photo emission
photo voltaic
none of the above
⇒ In the network of figure, the voltage drops across R_{1}, R_{2}, R_{3} are 6 V, 8 V and 12 V with polarities as shown. The value of R_{312 Ω8 Ω5 Ω3 Ω}
⇒ For the time domain response shown in figure the
lies in left half plane
lies in right half plane
lies at origin
may be complex or imaginary
⇒ The multiplication of two n bit numbers gives a product of length less than or equal to
n bits
2^{n} bits
2n bits
2^{n} - 1 bits
⇒ VTM stands for voltage tunable magnetron.
TRUE
FALSE
⇒ In intrinsic semiconductors, the number of free electrons is equal to the number of mobile holes.
TRUE
FALSE
⇒ For a transmission line open circuit and short circuit impedances are 20 Ω and 5 Ω. Then characteristic impedance is
100 Ω
50 Ω
25 Ω
10 Ω
⇒ For an ideal antenna, numerical value of directivity must be
∞
0
1
any value