Register
Filter

Most viewed questions

0 votes
0 answers
2801
GATE ECE 2005 | Question: 66
A ramp input applied to an unity feedback system results in $5 \%$ steady state error. The type number and zero frequency gain of the system are respectively $1$ and $20$ $0$ and $20$ $0$ and $\frac{1}{20}$ $1$ and $\frac{1}{20}$
A ramp input applied to an unity feedback system results in $5 \%$ steady state error. The type number and zero frequency gain of the system are respectively$1$ and $20$$...
0 votes
0 answers
2802
GATE ECE 1995 | Question 2.6
An $\text{RC}$-coupled amplifier is assumed to have a single-pole low frequency transfer function. The maximum lower cut-off frequency allowed for the amplifier to pass $50 \mathrm{~Hz}$ square wave with no more than $10 \%$ tilt is __________.
An $\text{RC}$-coupled amplifier is assumed to have a single-pole low frequency transfer function. The maximum lower cut-off frequency allowed for the amplifier to pass $...
0 votes
0 answers
2803
GATE ECE 2006 | Question: 57
The unit impulse response of a system is \[h(t)=e^{-t}, t \geq 0\] For this system, the steady-state value of the output for unit step input is equal to $-1$ $0$ $1$ $\infty$
The unit impulse response of a system is\[h(t)=e^{-t}, t \geq 0\]For this system, the steady-state value of the output for unit step input is equal to$-1$$0$$1$$\infty$
1 votes
0 answers
2806
GATE ECE 2007 | Question: 78
An $8085$ assembly language program is given below. Line 1: MVI A,B5H 2: MVI B0EH 3: XRI 69H 4: ADD B 5: ANI 9BH 6: CPI 9FH 7: STA 3010H 8: HLT The contents of the accumulator just after execution of the $\textsf{ADD}$ instruction in line $4$ will be $\text{C3H}$ $\text{EAH}$ $\mathrm{DCH}$ $69 \mathrm{H}$
An $8085$ assembly language program is given below.Line 1: MVI A,B5H 2: MVI B0EH 3: XRI 69H 4: ADD B 5: ANI 9BH 6: CPI 9FH 7: STA 3010H 8: HLTThe contents of the accumula...
1 votes
0 answers
2807
GATE ECE 2008 | Question: 41
The number of open right half plane poles of $G(s)=\dfrac{10}{s^{5}+2 s^{4}+3 s^{3}+6 s^{2}+5 s+3}$ is $0$ $1$ $2$ $3$
The number of open right half plane poles of $G(s)=\dfrac{10}{s^{5}+2 s^{4}+3 s^{3}+6 s^{2}+5 s+3}$ is$0$$1$$2$$3$
0 votes
0 answers
2808
GATE ECE 1993 | Question 4.9
In the figure, is in ideal moving iron voltmeter $M$ will read $7.07 \mathrm{~V}$ $12.24 \mathrm{~V}$ $14.14 \mathrm{~V}$ $20.0 \mathrm{~V}$
In the figure, is in ideal moving iron voltmeter $M$ will read$7.07 \mathrm{~V}$$12.24 \mathrm{~V}$$14.14 \mathrm{~V}$$20.0 \mathrm{~V}$
1 votes
0 answers
2809
GATE ECE 2010 | Question: 16
For an $\mathrm{N}$-point $\mathrm{FFT}$ algorithm with $\mathrm{N}=2^{\text {m}}$, which one of the following statements is $\text{TRUE}?$ It is not possible to construct a signal flow graph with both input and output in ... $2 \mathrm{N}$ node data Computation of a butterfly requires only one complex multiplication
For an $\mathrm{N}$-point $\mathrm{FFT}$ algorithm with $\mathrm{N}=2^{\text {m}}$, which one of the following statements is $\text{TRUE}?$It is not possible to construct...
1 votes
0 answers
2810
GATE ECE 2010 | Question: 19
For the asymptotic Bode magnitude plot shown below, the system transfer function can be $\frac{10 \text{s}+1}{0.1 \text{s}+1}$ $\frac{100 \text{s}+1}{0.1 \text{s}+1}$ $\frac{100 \mathrm{s}}{10 \mathrm{s}+1}$ $\frac{0.1 \text{s}+1}{10 \text{s}+1}$
For the asymptotic Bode magnitude plot shown below, the system transfer function can be$\frac{10 \text{s}+1}{0.1 \text{s}+1}$$\frac{100 \text{s}+1}{0.1 \text{s}+1}$$\frac...
0 votes
0 answers
2811
GATE ECE 1991 | Question 7
In figure, the operational amplifiers are ideal and their output can swing between $-15$ and $+15$ volts. Sketch on same diagram, the waveform of voltages $V_1$ and $V_2$ as a function of time. You must give the values of important parameters of this sketch.
In figure, the operational amplifiers are ideal and their output can swing between $-15$ and $+15$ volts. Sketch on same diagram, the waveform of voltages $V_1$ and $V_2$...
0 votes
0 answers
2812
GATE ECE 1991 | Question 12
A uniform plane electromagnetic wave traveling in free space enters into a lossless medium at normal incidence. In the medium its velocity reduces by $50 \%$ and in free space sets up a standing wave having a reflection coefficient of $0.125$. Calculate the permeability and the permittivity of the medium.
A uniform plane electromagnetic wave traveling in free space enters into a lossless medium at normal incidence. In the medium its velocity reduces by $50 \%$ and in free ...
0 votes
0 answers
2818
GATE ECE 2002 | Question: 2.21
If the variance $\sigma_{x}^{2}$ of $d(n)=x(n)-x(n-1)$ is one-tenth the variance $\sigma_{x}^{2}$ of a stationary zero-mean discrete-time signal $x(n)$, then the normalized autocorrelation function $R_{x x}(k) / \sigma_{x}^{2}$ at $k=1$ is $0.95$ $0.90$ $0.10$ $0.05$
If the variance $\sigma_{x}^{2}$ of $d(n)=x(n)-x(n-1)$ is one-tenth the variance $\sigma_{x}^{2}$ of a stationary zero-mean discrete-time signal $x(n)$, then the normaliz...
0 votes
0 answers
2819
GATE ECE 1998 | Question 2.21
A $\text{DSB-SC}$ signal is generated using the carrier $\cos \left(\omega_{c}, t+\theta\right)$ and modulating signal $x(t)$. The envelope of the $\text{DSB-SC}$ signal is $x(t)$ $|x(t)|$ only positive portion of $x(t)$ $x(t) \cos \theta$
A $\text{DSB-SC}$ signal is generated using the carrier $\cos \left(\omega_{c}, t+\theta\right)$ and modulating signal $x(t)$. The envelope of the $\text{DSB-SC}$ signal ...
0 votes
0 answers
2820
GATE ECE 1998 | Question 2.28
The intrinsic impedance of copper at high frequencies is purely resistive purely inductive complex with a capacitive component complex with an inductive component
The intrinsic impedance of copper at high frequencies ispurely resistivepurely inductivecomplex with a capacitive componentcomplex with an inductive component
0 votes
0 answers
2821
GATE ECE 1998 | Question 11
Determine the input impedance of the given and investigatie if it can be inductive.
Determine the input impedance of the given and investigatie if it can be inductive.
0 votes
0 answers
2824
GATE ECE 2004 | Question: 46
A bipolar transistor is operating in the active region with a collector current of $1 \mathrm{~mA}$. Assuming that the $\beta$ of the transistor is $100$ and the thermal voltage $\left(\mathrm{V}_{\mathrm{T}}\right)$ is $25 \; \mathrm{mV}$ ... $g_{m}=40 \mathrm{~mA} / \mathrm{V}$ and $r_{n}=2.5 \; \mathrm{k} \Omega$
A bipolar transistor is operating in the active region with a collector current of $1 \mathrm{~mA}$. Assuming that the $\beta$ of the transistor is $100$ and the thermal ...
0 votes
0 answers
2825
GATE ECE 2004 | Question: 79
A random variable $\mathrm{X}$ with uniform density in the interval $0$ to $1$ ... $\text{X}$. The root-mean square value of the quantization noise is $0.573$ $0.198$ $2.205$ $0.266$
A random variable $\mathrm{X}$ with uniform density in the interval $0$ to $1$ is quantized as follows:$\begin{array}{ll} \qquad \text{If 0 < X < 0.3,} & \text{x}_{4} = 0...
0 votes
0 answers
2826
GATE ECE 2004 | Question: 83
A parallel plate air-filled capacitor has plate area of $10^{-1} \mathrm{~m}^{2}$ and plate separation of $10^{-3} \mathrm{~m}$. It is connected to a $0.5 \mathrm{~V}, 3.6 \; \mathrm{GHz}$ ... $10 \mathrm{~mA}$ $100 \mathrm{~mA}$ $10 \mathrm{~A}$ $1.59 \mathrm{~mA}$
A parallel plate air-filled capacitor has plate area of $10^{-1} \mathrm{~m}^{2}$ and plate separation of $10^{-3} \mathrm{~m}$. It is connected to a $0.5 \mathrm{~V}, 3....
0 votes
0 answers
2827
GATE ECE 2005 | Question: 60
Match the following and choose the correct combination. ... $\mathrm{E}-2, \mathrm{~F}-1, \mathrm{G}-4, \mathrm{H}-3$
Match the following and choose the correct combination.$$\begin{array}{ll} \qquad \qquad \quad \textbf{Group 1} & \quad \qquad \qquad \qquad \qquad \textbf{Group 2} \\ \t...
0 votes
0 answers
2828
GATE ECE 2005 | Question: 69
A $\text{MOS}$ capacitor made using $p$ type substrate is in the accumulation mode. The dominant charge in the channel is due to the presence of holes electrons positively charged ions negatively charged ions
A $\text{MOS}$ capacitor made using $p$ type substrate is in the accumulation mode. The dominant charge in the channel is due to the presence ofholeselectronspositively c...
0 votes
0 answers
2829
GATE ECE 2005 | Question: 76
Characteristic impedance of a transmission line is $50 \Omega$. Input impedance of the open-circuited line is $Z_{a^{-}}=100+j 150 \Omega$. When the transmission line is short- circuited, then value of the input impedance will be $50 \Omega$ $100+j 150 \Omega$ $7.69+j 11.54 \Omega$ $7.69-j 11.54 \Omega$
Characteristic impedance of a transmission line is $50 \Omega$. Input impedance of the open-circuited line is $Z_{a^{-}}=100+j 150 \Omega$. When the transmission line is ...
0 votes
0 answers
2831
GATE ECE 1995 | Question 2.4
In the given circuit the given figure, if the voltage inputs $\mathrm{V}-$ and $\mathrm{V}+$ are to be amplified by the same amplification factor, the value of $R$ should be
In the given circuit the given figure, if the voltage inputs $\mathrm{V}-$ and $\mathrm{V}+$ are to be amplified by the same amplification factor, the value of $R$ should...
0 votes
0 answers
2832
GATE ECE 1996 | Question 3.5
(a) SSB Modulation (b) $\nabla \cdot \overline{\mathrm{B}}=0$ (c) Model dispersion Transmission line Hilbert transform Faraday's law Absence of magnetic monopoles Waveguides Phase-locked loop
(a) SSB Modulation(b) $\nabla \cdot \overline{\mathrm{B}}=0$(c) Model dispersionTransmission lineHilbert transformFaraday's lawAbsence of magnetic monopolesWaveguidesPhas...
0 votes
0 answers
2833
GATE ECE 2006 | Question: 64
In the following figure the minimum value of the constant ' $C$ ', which is to be added to $y_{1}(t)$ such that $y_{1}(t)$ and $y_{2}(t)$ are different, is $\Delta$ $\frac{\Delta}{2}$ $\frac{\Delta^{2}}{12}$ $\frac{\Delta}{\mathrm{L}}$
In the following figure the minimum value of the constant ' $C$ ', which is to be added to $y_{1}(t)$ such that $y_{1}(t)$ and $y_{2}(t)$ are different, is$\Delta$$\frac{...
0 votes
0 answers
2834
GATE ECE 2006 | Question: 71
Common Data for Questions 71, 72,73: In the transistor amplifier circuit shown in the figure below, the transistor has the following parameters: \[ \beta_{\mathrm{DC}}=60, \mathrm{~V}_{\mathrm{BE}}=0.7 \mathrm{~V}, h_{n^{c}} \longrightarrow \infty, h_{ ... $4.8$ Volts $5.3$ Volts $6.0$ Volts $6.6$ Volts
Common Data for Questions 71, 72,73:In the transistor amplifier circuit shown in the figure below, the transistor has the following parameters:\[ \beta_{\mathrm{DC}}=60, ...
0 votes
0 answers
2836
GATE ECE 2006 | Question: 82
Statement for Linked Answer Questions 82 and 83 Consider a unity-gain feedback control system whose open-loop transfer function is \[G(s)=\frac{as+1}{s^{2}}\] The value of '$a$' so that the system has a phase-margin equal to $\frac{\pi}{4}$ is approximately equal to $2.40$ $1.40$ $0.84$ $0.74$
Statement for Linked Answer Questions 82 and 83Consider a unity-gain feedback control system whose open-loop transfer function is\[G(s)=\frac{as+1}{s^{2}}\]The value of '...
0 votes
0 answers
2837
GATE ECE 1994 | Question: 4.5
(A) Hartley (1) Low frequency oscillator (B) Wien-bridge (2) High frequency oscillator (C) Crystal (3) Stable frequency oscillator (4) Relaxation frequency oscillator (5) Negative resistance oscillator
(A) Hartley(1) Low frequency oscillator(B) Wien-bridge(2) High frequency oscillator(C) Crystal(3) Stable frequency oscillator (4) Relaxation frequency oscillator (5) Nega...
1 votes
0 answers
2838
GATE ECE 2007 | Question: 45
For the circuit shown, the counter state $\left(\mathrm{Q}_{1} \mathrm{Q}_{0}\right)$ follows the sequence $00,01,10,11,00 \ldots$ $00,01,10,00,01 \ldots$ $00,01,11,00,01 \ldots$ $00,10,11,00,10 \ldots$
For the circuit shown, the counter state $\left(\mathrm{Q}_{1} \mathrm{Q}_{0}\right)$ follows the sequence$00,01,10,11,00 \ldots$$00,01,10,00,01 \ldots$$00,01,11,00,01 \l...
1 votes
0 answers
2839
GATE ECE 2007 | Question: 49
The frequency response of a linear, time-invariant system is given by $H(f)=\dfrac{5}{1+j 10 \pi f}$. The step response of the system is $5\left(1-e^{-5 t}\right) u(t)$ $5\left(1-e^{-\frac{t}{5}}\right) u(t)$ $\frac{1}{5}\left(1-e^{-5 t}\right) u(t)$ $\frac{1}{5}\left(1-e^{-\frac{t}{5}}\right) u(t)$
The frequency response of a linear, time-invariant system is given by $H(f)=\dfrac{5}{1+j 10 \pi f}$. The step response of the system is$5\left(1-e^{-5 t}\right) u(t)$$5\...
Page: