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, 2 and 3 [Correct Answer] |
B. | 1 and 2 only [Wrong Answer] |
C. | 1 and 3 only [Wrong Answer] |
D. | 2 and 3 only [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 figure if C is replaced by short circuit then R_{B} wil
425 K
412 K
474 K
400 K
⇒ A transistor with a = 0.98 then β will be
49
50
47
48
⇒ Binary multiplication can be done by repeated addition.
TRUE
FALSE
⇒ Consider the instructions
1, 2, 3
1 and 2 only
1 and 3 only
2 and 3 only
⇒ For the transport lag G(jω) = e^{-jωT}, the polar plot is
a semi circle
a circle
a unit circle
none of the above
⇒ In microwave system, waveguide twists
change the plane of polarization of a propagating wave
change the direction of a propagating wave
change the mode of a propagating wave
both (b) and (c)
⇒ The response to sinusoidal excitation can be found by
setting s = jω in the network function
setting s = -jω in the network function
taking inverse transform of network function
none of the above
⇒ In figure, V_{1} = 40 V when R = 10 Ω, if R = 0, V_{2} wil
40 V
30 V
20 V
10 V
⇒ In figure v_{1} = 8 V and v_{2} = 4 V. Which diode will cond
D_{2} only
D_{1} only
Both D_{1} and D_{2}
Neither D_{1} nor D_{2}
⇒ In any two port network, input impedance is independent of load impedance.
TRUE
FALSE
⇒ During forward blocking state of SCR, the voltage and current respectively are
high and high
low and low
high and low
low and high
⇒ Double integration of unit step function leads to
an impulse
a parabola
a ramp
a doublet
⇒ In a proportional plus integral control action
proportional gain K_{p} is adjustable but integral time T_{i} is constant
proportional gain K_{p} is adjustable but integral time T_{i} is adjustable
both proportional gain K_{p} and integral time T_{i} are adjustable
both proportional gain K_{p} and integral time T_{i} are constant
⇒ Which of the following is λ/2 length?
Marconi
Hertz
Parabolic
Yagi-uda
⇒ In an RC impedance function
the highest critical frequency is a pole
the highest critical frequency is a zero
the highest critical frequency is a pole or zero
the highest critical frequency is a pole at s = 0
⇒ When one operand is real and one integer in Pascal, which of the following operations are not allowed?
+ and -
*
/
Div and Mod
⇒ The phase velocity in a coaxial line is
greater than C
equal to C
less than C
not depend on C
⇒ For a photo conductor with equal electron and hole mobilities and perfect ohmic contacts at the ends, an increase in the intensities of optical illumination results in
change in open circuit voltage
change in short circuit current
a reduction resistance
an increase of resistance
⇒ FIR digital filter having __________ stability than FIR filter.
good stability
poor stability
stability not guarnteed
poor stability
⇒ The intrinsic resistivity of silicon at 300 K is about
1 Ω-cm
400 Ω-cm
10000 Ω-cm
230000 Ω-cm
⇒ A 4 bit synchronous counter has flip flops having propagation delay of 50 ns each and AND gates having propagation delay of 20 ns each. The maximum frequency of clock pulses can be
20 MHz
50 MHz
14.3 MHz
5 MHz
⇒ For an I/p of V_{s} = 5 sin ωt (assuming ideal diode), circuit shown in the figure will behave
clipper, sine wave clipped at -2 V
clamper, sine wave clamped at -2 V
clamper, sine wave clamped at 0 volts
clipper, sine wave clipped at 2 V
⇒ Which of the following is a better propagation mode to propagate television frequency modulation and radar signals?
Satellite communication
Ground propagation
Polarized communication
None of the above
⇒ For determining the network functions of a two-port network, it is required to consider that
all initial conditions remain same
all initial conditions are zero
part of initial conditions are equal to zero
initial conditions vary depending on nature of network
⇒ Thyristors connected in series need static and dynamic stabilizing circuits.
TRUE
FALSE
⇒ What is the correct sequence of the following step in the fabrication of a monolithic, Bipolar junction transistor?
3, 4, 1, 2
4, 3, 1, 2
3, 4, 2, 1
4, 3, 2, 1
⇒ A periodic voltage has following value for equal time intervals changing suddenly from one value to next... 0, 5, 10, 20, 50, 60, 50, 20, 10, 5, 0, -5, -10 etc. Then rms value of the waveform is
31 V
32 V
insufficient data
none of these
⇒ In equally tampered musical scale, an octave is divided into
12 intervals
10 intervals
7 intervals
5 intervals
⇒ In a diode rectifier with a capacitance input filter, a surge current is likely to flow when the circuit is switched on. The cause of this surge current is
the non linear behaviour of diodes
the capacitor acts as a short circuit at the instant of switching,
the inductance of leads
both (a) and (b)
⇒
Both A and R are correct and R is correct explanation of A
Both A and R correct but R is not correct explanation of A
A is correct but R is wrong
A is wrong but R is correct
⇒ In figure if C is replaced by short circuit then R_{B} wil
425 K
412 K
474 K
400 K
⇒ A transistor with a = 0.98 then β will be
49
50
47
48
⇒ Binary multiplication can be done by repeated addition.
TRUE
FALSE
⇒ Consider the instructions
- MOV M, B
- OUT 4
- LDAX
Which of the above require memory write cycle?1, 2, 3
1 and 2 only
1 and 3 only
2 and 3 only
⇒ For the transport lag G(jω) = e^{-jωT}, the polar plot is
a semi circle
a circle
a unit circle
none of the above
⇒ In microwave system, waveguide twists
change the plane of polarization of a propagating wave
change the direction of a propagating wave
change the mode of a propagating wave
both (b) and (c)
⇒ The response to sinusoidal excitation can be found by
setting s = jω in the network function
setting s = -jω in the network function
taking inverse transform of network function
none of the above
⇒ In figure, V_{1} = 40 V when R = 10 Ω, if R = 0, V_{2} wil
40 V
30 V
20 V
10 V
⇒ In figure v_{1} = 8 V and v_{2} = 4 V. Which diode will cond
D_{2} only
D_{1} only
Both D_{1} and D_{2}
Neither D_{1} nor D_{2}
⇒ In any two port network, input impedance is independent of load impedance.
TRUE
FALSE
⇒ During forward blocking state of SCR, the voltage and current respectively are
high and high
low and low
high and low
low and high
⇒ Double integration of unit step function leads to
an impulse
a parabola
a ramp
a doublet
⇒ In a proportional plus integral control action
proportional gain K_{p} is adjustable but integral time T_{i} is constant
proportional gain K_{p} is adjustable but integral time T_{i} is adjustable
both proportional gain K_{p} and integral time T_{i} are adjustable
both proportional gain K_{p} and integral time T_{i} are constant
⇒ Which of the following is λ/2 length?
Marconi
Hertz
Parabolic
Yagi-uda
⇒ In an RC impedance function
the highest critical frequency is a pole
the highest critical frequency is a zero
the highest critical frequency is a pole or zero
the highest critical frequency is a pole at s = 0
⇒ When one operand is real and one integer in Pascal, which of the following operations are not allowed?
+ and -
*
/
Div and Mod
⇒ The phase velocity in a coaxial line is
greater than C
equal to C
less than C
not depend on C
⇒ For a photo conductor with equal electron and hole mobilities and perfect ohmic contacts at the ends, an increase in the intensities of optical illumination results in
change in open circuit voltage
change in short circuit current
a reduction resistance
an increase of resistance
⇒ FIR digital filter having __________ stability than FIR filter.
good stability
poor stability
stability not guarnteed
poor stability
⇒ The intrinsic resistivity of silicon at 300 K is about
1 Ω-cm
400 Ω-cm
10000 Ω-cm
230000 Ω-cm
⇒ A 4 bit synchronous counter has flip flops having propagation delay of 50 ns each and AND gates having propagation delay of 20 ns each. The maximum frequency of clock pulses can be
20 MHz
50 MHz
14.3 MHz
5 MHz
⇒ For an I/p of V_{s} = 5 sin ωt (assuming ideal diode), circuit shown in the figure will behave
clipper, sine wave clipped at -2 V
clamper, sine wave clamped at -2 V
clamper, sine wave clamped at 0 volts
clipper, sine wave clipped at 2 V
⇒ Which of the following is a better propagation mode to propagate television frequency modulation and radar signals?
Satellite communication
Ground propagation
Polarized communication
None of the above
⇒ For determining the network functions of a two-port network, it is required to consider that
all initial conditions remain same
all initial conditions are zero
part of initial conditions are equal to zero
initial conditions vary depending on nature of network
⇒ Thyristors connected in series need static and dynamic stabilizing circuits.
TRUE
FALSE
⇒ What is the correct sequence of the following step in the fabrication of a monolithic, Bipolar junction transistor?
- Emitter diffusion
- Base diffusion
- Buried layer formation
- E pi-layer formation
3, 4, 1, 2
4, 3, 1, 2
3, 4, 2, 1
4, 3, 2, 1
⇒ A periodic voltage has following value for equal time intervals changing suddenly from one value to next... 0, 5, 10, 20, 50, 60, 50, 20, 10, 5, 0, -5, -10 etc. Then rms value of the waveform is
31 V
32 V
insufficient data
none of these
⇒ In equally tampered musical scale, an octave is divided into
12 intervals
10 intervals
7 intervals
5 intervals
⇒ In a diode rectifier with a capacitance input filter, a surge current is likely to flow when the circuit is switched on. The cause of this surge current is
the non linear behaviour of diodes
the capacitor acts as a short circuit at the instant of switching,
the inductance of leads
both (a) and (b)
⇒
Assertion (A): Chopper always requires forced commutation
Reason (R): Morgan chopper uses a saturable reactor.
Both A and R are correct and R is correct explanation of A
Both A and R correct but R is not correct explanation of A
A is correct but R is wrong
A is wrong but R is correct