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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. | |
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 correct but R is wrong [Wrong Answer] |
D. | A is wrong but R is correct [Wrong Answer] |
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Explanation:-
Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
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⇒ The impulse response of the DT - LTI system is given be
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⇒ The impulse response of the DT - LTI system is given be
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⇒ The relative stability of a system is given by
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Match the following:
List I (Comm.services) | List II (Bandwidth) | ||
---|---|---|---|
A. | AM broadcast | 1. | 10 kHz |
B. | Telephone | 2. | 4 kHz |
C. | wide-band FM | 3. | 200 kHz |
D. | TV | 4. | 7 MHz |
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have resistivity very high as compared to that of iron
can be used even at microwave frequencies
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A^{2} + B^{2} - 3 AB
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SOP functions
POS functions
Hybrid function
SOP and POS functions
⇒ In the below figure, the load is highly inductive. The firing angle is a for each of the thyristors. The periods of conduction of Th_{1} and Th_{2} respectively
0 to p and p to 2p
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⇒ Two coupled coils with self inductances of 4 mH and 16 mH are connected in series. The maximum possible value of inductance can be
36 mH
20 mH
28 mH
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⇒ In a pulsed RADAR typical value of pulse duration and pulse frequency respectively are
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1 μs and 500 Hz
4 μs and 50 Hz
4 μs and 500 Hz
⇒ Common emitter transistor has
high current and high voltage gain
low current gain and low voltage gain
high current gain and low voltage gain
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1, 2
1, 3, 4
⇒ If the p and T circuits in figure are equivalent, then R_{1}, R_{2}, R_{3} respectively
9 Ω, 6 Ω, 6 Ω
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⇒ A dominant wave is characterised by which of the following?
No attenuation
Lowest cut off wavelength
Highest cut off wavelength
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⇒ Which of the following arithmetic operations requires only one operand in FORTRAN 77?
Addition
Multiplication
Negative
Substraction
⇒ To plot frequency spectrum we draw two graphs viz |F_{n}| versus frequency and φ_{n} versus frequency.
TRUE
FALSE
⇒ Friction forces acts in a direction
opposite to that of velocity
same as that of velocity
at right angle to that of velocity
partly opposite and partly at right angle to the direction of velocity
⇒ Figure shows the feedback network of one of the very popular types of sinusoidal oscillators. Which one is t
Weinbridge oscillator
Hartley oscillator
Colpitt's oscillator
R-C phase shift oscillator
⇒ Consider the following program for 8085
decimal 40
decimal 10
none of the above
⇒ The household energy meter is
indicating instrument
recording instrument
integrating instrument
none of the above
⇒ A capacitor used for power factor correction in single- phase circuit decreases
the power factor
the line current
both the line current and the power factor
the line current and increases power factor
⇒ Which of the following real variable names is not valid in Fortran?
BETA
ALPHA
A
AB * 2
⇒ Calculate the O/P voltage of a non-inverting constant gain multiplier with R_{1} = 100 kΩ, R_{f}= 600 kΩ, V_{1} = 2 volt, then O/P voltage V_{o} of non inverting op-amp is given by
16 V
14 V
20 V
15 V
⇒ Which op-amp circuit uses a resistance in series with input and capacitor in feedback path?
Differentiating amplifier
Integrating amplifier
Logarithmic amplifier
Exponential amplifier
⇒ The effect of a finite gain of operational amplifier used in an integrator is that
it would not integrator
slope of the O/P will varied with time
final value of the O/P
there will be instability in the cirucuit
⇒ The primary colours are
blue and green
blue and red
red and green
blue, red and green
⇒ The filter circuit for feeding a wooffer has
an inductance in series and capacitance in parallel
a capacitance in series and an inductance in parallel
a resistance in series and an inductance in parallel
an inductance in series and a resistance in parallel
⇒ If the energy gap of a semiconductor is 1.1 eV, then it would be.
opaque to the visible light
transparent to the visible light
transparent to the ultraviolet radiation
opaque to the infrared radiation