Electronis Discussion
Ask us anything
Toggle navigation
GO Electronics
Email or Username
Password
Remember
Login
Register

I forgot my password
Activity
Questions
Unanswered
Tags
Subjects
Users
Ask
New Blog
Blogs
Exams
Recent questions and answers in Networks, Signals and Systems
0
votes
0
answers
1
GATE2017 EC2: 35
Consider the parallel combination of two LTI systems shown in the figure. The impulse responses of the systems are $ \begin{array} {} h_1(t)=2\delta (t+2)3\delta (t+1) \\ h_2(t)=\delta (t2). \end{array}$ If the input $x(t)$ is a unit step signal, then the energy of $y(t)$ is ____________
asked
Nov 25, 2017
in
Continuoustime Signals
by
admin
(
2.8k
points)
gate2017ec2
impulseresponse
numericalanswers
continuoustimesignals
signalsandsystems
0
votes
0
answers
2
GATE2017 EC2: 32
Consider the circuit shown in the figure. The Thevenin equivalent resistance (in Ω) across PQ is _____________
asked
Nov 25, 2017
in
Network Solution Methods
by
admin
(
2.8k
points)
gate2017ec2
theveninequation
numericalanswers
networksolutionmethods
networks
0
votes
0
answers
3
GATE2017 EC2: 31
The switch in the circuit, shown in the figure, was open for a long time and is closed at $t=0$. The current $i(t)$ (in ampere) at $t=0.5$ seconds is ____________
asked
Nov 25, 2017
in
Network Solution Methods
by
admin
(
2.8k
points)
gate2017ec2
nodalmeshanalysis
numericalanswers
networksolutionmethods
networks
0
votes
0
answers
4
GATE2017 EC2: 19
Consider the state space realization $\begin{bmatrix} \dot{x_1}(t)\\ \dot{x_2}(t) \end{bmatrix}=\begin{bmatrix} 0 &0 \\ 0&9 \end{bmatrix}\begin{bmatrix} x_1(t)\\ x_2(t) \end{bmatrix}+\begin{bmatrix} 0\\ 45 \end{bmatrix} u(t)$ , with the initial ... step function. The value of $\underset{t\rightarrow \infty }{\lim}\left  \sqrt{x_1^2(t)+x_2^2(t)} \right $ is __________.
asked
Nov 23, 2017
in
Continuoustime Signals
by
admin
(
2.8k
points)
gate2017ec2
discretetimesignals
numericalanswers
continuoustimesignals
signalsandsystems
0
votes
0
answers
5
GATE2017 EC2: 8
The input $x(t)$ and the output $y(t)$ of a continuous –time system are related as $y(t)=\int_{tT}^{t}x(u) du.$ The system is linear and timevariant linear and timeinvariant nonlinear and timevariant nonlinear and timeinvariant
asked
Nov 23, 2017
in
Continuoustime Signals
by
admin
(
2.8k
points)
gate2017ec2
ltisystems
continuoustimesignals
signalsandsystems
0
votes
0
answers
6
GATE2017 EC2: 7
An LTI system with unit sample response $h[n]=5\delta [n]7\delta [n1]+7\delta [n3]5\delta [n4]$ is a lowpass filter highpass filter bandpass filter bandstop filter
asked
Nov 23, 2017
in
Continuoustime Signals
by
admin
(
2.8k
points)
gate2017ec2
ltisystems
continuoustimesignals
signalsandsystems
0
votes
0
answers
7
GATE2017 EC2: 6
A connection is made consisting of resistance A in series with a parallel combination of resistances $B$ and $C$. Three resistors of value $10 Ω, 5 Ω, 2 Ω$ are provided. Consider all possible permutations of the given resistors into the ... minimum possible overall resistance. The ratio of maximum to minimum values of the resistances (up to second decimal place) is ___________.
asked
Nov 23, 2017
in
Network Solution Methods
by
admin
(
2.8k
points)
gate2017ec2
nodalmeshanalysis
numericalanswers
networksolutionmethods
0
votes
0
answers
8
GATE2017 EC2: 5
In the circuit shown, V is a sinusoidal voltage source. The current $I$ is in phase with voltage V. The ratio$\frac{\text{amplitude of voltage across the capacitor}}{\text{amplitude of voltage across the resistor}}$ is ___________.
asked
Nov 23, 2017
in
Network Solution Methods
by
admin
(
2.8k
points)
gate2017ec2
numericalanswers
networksolutionmethods
networks
0
votes
0
answers
9
GATE2017 EC1: 52
A continuous time signal $x(t)=4 \cos(200\pi t)+8 \cos(400\pi t)$, where $t$ is in seconds, is the input to a linear time invariant (LTI) filter with the impulse response $h(t)=\begin{cases} \frac{2 \sin (300\pi t)}{\pi t},& t\neq 0 \\ 600, & t=0. \end{cases}$ Let $y(t)$ be the output of this filter. The maximum value of $ \mid y(t) \mid $ is _________.
asked
Nov 17, 2017
in
Continuoustime Signals
by
admin
(
2.8k
points)
gate2017ec1
lti
numericalanswers
continuoustimesignals
signalsandsystems
0
votes
0
answers
10
GATE2017 EC1: 34
The figure shows an RLC circuit excited by the sinusoidal voltage $100 \cos(3t)$ Volts, where $t$ is in seconds. The ratio $\frac{\text{amplitude of }V_{2}}{\text{amplitude of }V{1}}$ is______.
asked
Nov 17, 2017
in
Network Solution Methods
by
admin
(
2.8k
points)
gate2017ec1
numericalanswers
networksolutionmethods
networks
rlccircuits
0
votes
0
answers
11
GATE2017 EC1: 33
Let $h[n]$ ... in radians. Given that $H(\omega_{0})=0$ and $0< \omega_{0} < \pi$, the value of $\omega_{0}$ (in radians) is equal to__________.
asked
Nov 17, 2017
in
Continuoustime Signals
by
admin
(
2.8k
points)
gate2017ec1
dtft
numericalanswers
continuoustimesignals
ltisystems
fouriertransform
0
votes
0
answers
12
GATE2017 EC1: 32
Two discretetime signals $x[n]$ and $h[n]$ are both nonzero only for $n=0,1,2$, and are zero otherwise .It is given that $x[0]=1, \: x[1]=2, \: x[2]=1, \: h[0]=1$ Let $y[n]$ be the linear convolution of $x[n]$ and $h[n]$. Given that $y[1]=3$ and $y[2]=4$, the value of the expression $(10y[3]+y[4])$ is__________.
asked
Nov 17, 2017
in
Continuoustime Signals
by
admin
(
2.8k
points)
gate2017ec1
numericalanswers
continuoustimesignals
discretetimesignals
signalsandsystems
0
votes
0
answers
13
GATE2017 EC1: 31
Let $x(t)$ be a continuous time periodic signal with fundamental period $T=1$ seconds.Let ${a_{k} }$ be the complex Fourier series coefficients of $x(t)$, where $k$ is integer valued. Consider the following statements about $x(3t)$: The complex Fourier series ... which one of the following is correct? Only II and III are true Only I and III are true Only III is true Only I is true
asked
Nov 17, 2017
in
Continuoustime Signals
by
admin
(
2.8k
points)
gate2017ec1
fourierseries
continuoustimesignals
signalsandsystems
0
votes
0
answers
14
GATE2017 EC1: 5
Consider the following statements for continuoustime linear time invariant (LTI) systems. There is no bounded input bounded output (BIBO) stable system with a pole in the right half of the complex plane. There is no causal and BIBO stable with a pole in the right half of ... the following is correct? Both I and II are true Both I and II are not true Only I is true Only II is true
asked
Nov 17, 2017
in
Continuoustime Signals
by
admin
(
2.8k
points)
gate2017ec1
ltisystems
continuoustimesignals
signalsandsystems
+1
vote
0
answers
15
GATE2017 EC1: 27
A three dimensional region $R$ of finite volume is described by $x^2 + y^2 \leq z^3; \: \: 0 \leq z \leq 1,$ where $x,y,z$ are real. The volume of $R$ (up to two decimal places) is _________
asked
Nov 17, 2017
in
Network Solution Methods
by
admin
(
2.8k
points)
gate2017ec1
numericalanswers
networks
networksolutionmethods
0
votes
0
answers
16
GATE2017 EC1: 8
A periodic signal $x(t)$ has a trigonometric Fourier series expansion $x( t )= a_{0}+\sum_{n=1}^{ \infty } ( a_{n} \cos n\omega _{0}t+b_{n}\sin n\omega _{0}t )$ If $x(t)= x(t)=x(t\frac{\pi }{\omega _{0}})$, we can conclude that $a_n$ are zero ... for $n$ odd $a_n$ are zero for $n$ even and $b_n$ are zero for $n$ odd $a_n$ are zero for $n$ odd and $b_n$ are zero for $n$ even
asked
Nov 17, 2017
in
Continuoustime Signals
by
admin
(
2.8k
points)
gate2017ec1
fourierseries
continuoustimesignals
signalsandsystems
0
votes
0
answers
17
GATE2017 EC1: 6
Consider a single input single output discretetime system with $x[ n ]$ as input and $y [ n ]$ ... following statements is true about the system? It is causal and stable It is causal but not stable It is not causal but stable It is neither causal nor stable
asked
Nov 17, 2017
in
Continuoustime Signals
by
admin
(
2.8k
points)
gate2017ec1
ltisystems
continuoustimesignals
signalsandsystems
discretetimesignals
Help get things started by
asking a question
.
Top Users
May 2020
Madhav
280 Points
srestha
40 Points
Welcome to GO Electronics, where you can ask questions and receive answers from other members of the community.
Recent questions and answers in Networks, Signals and Systems
1,109
questions
52
answers
8
comments
43,015
users