Consider the oscillator circuit shown in the figure. The function of the network (shown in dotted lines) consisting of t

Consider the constant current source shown in the figure below. Let $$\beta $$ represent the current gain of the trans

The following signal Vi of peak voltage 8V is applied to the non-inverting terminal of an ideal Opamp. The transistor ha

An ideal opamp has voltage source V1, V3, V5, ......, VN-1, connected to the non- inverting input and V2, V4, V6,

A p-i-n photo diode of responsivity 0.8A/W is connected to the inverting input of an ideal opamp as shown in the figure,

Consider binary data transmission at a rate of 56 kbps using baseband binary pulse amplitude modulation (PAM) tha

An antenna pointing in a certain direction has a noise temperature of 50K. The ambient temperature is 290K. The antenna

Consider a discreet memoryless source with alphabet $$S = \left\{ {{s_0},\,{s_1},\,{s_2},\,{s_3},\,{s_{4......}}} \right

A digital communication system uses a repetition code for channel encoding/decoding. During transmission, each bit is re

An analog pulse s(t) is transmitted over an additive white Gaussian noise (AWGN) channel. The received signal is r(t) =

A super heterodyne receiver operates in the frequency range of 58 MHz – 68 MHz. The intermediate frequency f1F and local

The open-loop transfer function of a unity-feedback control system is $$$G\left(S\right)\;=\frac K{s(s\;+\;2)}$$$ For t

Match the inferences X, Y, and Z, about a system, to the corresponding properties of the elements of first column in Rou

The open-loop transfer function of a unity-feedback control system is $$$G\left(s\right)=\frac K{s^2+5s+5}$$$ The value

The transfer function of a linear time invariant system is given by $$H\left(s\right)\;=\;2s^4\;-\;5s^3\;+\;5s\;-\;2$$.

A closed-loop control system is stable if the Nyquist plot of the corresponding open-loop transfer function

The output of the combinational circuit given below is

Identify the circuit below.

The functionality implemented by the circuit below is

The electric field of a uniform plane wave travelling along the negative $$z$$ direction is given by the following equat

The propagation constant of a lossy transmission line is (2 + j5) $${m^{ - 1}}$$ and its characteristic impedance is (50

An antenna pointing in a certain direction has a noise temperature of $$50K$$. The ambient temperature is $$290K$$. The

Two lossless X-band horn antennas are separated by a distance of $$200\lambda $$. The amplitude reflection coefficients

The far-zone power density radiated by a helical antenna is approximated as: $$$\overrightarrow W {\,_{rad}} = \overrigh

Concentric spherical shells of radii 2 m, 4 m, and 8 m carry uniform surface charge densities of 20 nC/m2 , −4 nC/m2 and

What is the voltage Vout in the following circuit?

A small percentage of impurity is added to an intrinsic semiconductor at 300 K. Which one of the following statements is

Consider the following statements for a metal oxide semiconductor field effect transistor (MOSFET): P: As channel length

Consider an n-channel metal oxide semiconductor field effect transistor (MOSFET) with a gate-to-source voltage of 1.8 V.

Let $${M^4} = {\rm I}$$ (where $${\rm I}$$ denotes the identity matrix) and $$M \ne {\rm I},\,\,{M^2} \ne {\rm I}$$ and

A sequence $$x\left[ n \right]$$ is specified as $$$\left[ {\matrix{ {x\left[ n \right]} \cr {x\left[ {n - 1} \

The integral $$\,\,{1 \over {2\pi }}\int {\int_D {\left( {x + y + 10} \right)dxdy\,\,} } $$ where $$D$$ denotes the disc

Given the following statements about a function $$f:R \to R,$$ select the right option: $$P:$$ If $$f(x)$$ is continuou

The region specified by $$\left\{ {\left( {\rho ,\varphi ,{\rm Z}} \right):3 \le \rho \le 5,\,\,{\pi \over 8} \le \ph

The second moment of a Poisson-distributed random variables is $$2.$$ The mean of the random variable is _______.

Two random variables $$X$$ and $$Y$$ are distributed according to $$${f_{X,Y}}\left( {x,y} \right) = \left\{ {\matrix{

In the following integral, the contour $$C$$ encloses the points $${2\pi j}$$ and $$-{2\pi j}$$. The value of the integr

In an 8085 system, a PUSH operation requires more clock cycles than a POP operation. Which one of the following options

A network consisting of a finite number of linear resistor (R), inductor (L), and capacitor (C) elements, connected all

An AC voltage source V = 10 sin(t) volts is applied to the following network. Assume that R1 = 3 kΩ, R2 = 6 kΩ and R3 =

Consider a two-port network with the transmission matrix: T = $$\begin{bmatrix}A&B\\C&D\end{bmatrix}$$. If the n

In the circuit shown in the figure, the maximum power (in watt) delivered to the resistor R is _________.

A sequence x$$\left[ n \right]$$ is specified as $$\left[ {\matrix{ {x\left[ n \right]} \cr {x\left[ {n - 1} \ri

Consider the sequence $$x\left[ n \right]$$= $${a^n}u\left[ n \right] + {b^{\partial n}}u\left[ n \right]$$ , where u[n

Consider the signal $$x\left[ n \right] = 6\delta \left[ {n + 2} \right] + 3\delta \left[ {n + 1} \right] + 8\delta \lef

A continuous-time sinusoid of frequency 33 Hz is multiplied with a periodic Dirac impulse train of frequency 46 Hz. The

A continuous -time function $$x\left( t \right)$$ is periodic with period $$T$$. The function is sampled uniformly with

A first-order low-pass filter of time constant T is excited with different input signals (with zero initial conditions u

The Laplace transform of the casual periodic square wave of period T shown in the figure below is

Which one of the following is an eight function of the class of all continuous-time, linear, time- invariant systems u(t

In a huge pile of apples and oranges, both ripe and unripe mixed together, 15% are unripe fruits. Of the unripe fruits,

Michael lives 10 km away from where I live. Ahmed lives 5 km away and Susan lives 7 km away from where I live. Arun is f