The circuit below implements a filter between the input current ii and the output voltage v0. Assume that the op-amp- is

In the circuit shown below, assume that the voltage drop across a forward biased diode is 0.7V. The thermal voltage Vt =

In the circuit shown below, assume that the voltage drop across a forward biased diode is 0.7V. The thermal voltage Vt =

In the circuit shown below, capacitors C1 and C2 are very large and are shorts at the input frequency. Vi is a small si

For a BJT, the common-base current gain $$\alpha = \,\,0.98$$ and the colector base junction reverse bias saturation cu

For the BJT Q1 in the circuit shown below, $$\beta = \infty ,\,\,\,\,{V_{BEon\,}}\, = \,0.7V,\,\,\,{V_{CEsat}}\, = \,0.

A four phase and an eight-phase signal constellation are shown in the figure below. Assuming high SNR and that all

X(t) is a stationary random process with autocorrelation function Rx$$\left( \tau \right)$$= exp$$\left( { - \pi {\tau

An analog signal is band-limited to 4kHz. sampled at the Nyquist rate and the samples are quantized into 4 levels. The q

A four phase and an eight-phase signal constellation are shown in the figure below. For the constraint that the mini

The root locus plot for a system is given below. The open loop transfer function corresponding to this plot is given by

The differential equation $$$100\frac{\mathrm d^2\mathrm y}{\mathrm{dt}^2}-20\frac{\mathrm{dy}}{\mathrm{dt}}+\mathrm y=\

For the transfer function G$$\left( {j\omega } \right) = 5 + j\omega ,$$ the corresponding Nyquist plot for positive fr

The input-output transfer function of a plant is h(s)=$${{100} \over {s{{\left( {s + 10} \right)}^2}}}$$. The plant is p

The input-output transfer function of a plant is h(s)=$${{100} \over {s{{\left( {s + 10} \right)}^2}}}$$. The plant is p

The block diagram of a system with one input u and two outputs y1 and y2 is given below A state space model of the abo

The logic function implemented by the circuit below is (ground implies a logic "0"

When the output Y in the circuit below is ‘1’, it implies that data has

Two D flip-flops are connected as a synchronous counter that goes through the following QB QA sequence $$00 \to 11 \to 0

The output of a 3-stage Johnson (twisted-ring) counter is fed to a digital-to-analog (D/A) converter as shown in the fig

The output Y in the circuit below is always ‘1’ when

A transmission line of characteristic impedance 50 $$\Omega $$ is terminated by a 50 $$\Omega $$ load. When excited by a

A transmission line of characteristic impedance 50 $$\Omega $$ is terminated in a load impedance $$Z_L$$. The VSWR of t

The electric and magnetic fields for a TEM wave of frequency $$14 GHz$$ in a homogeneous medium of relative permittivity

The modes in a rectangular waveguide are denoted by $$T{E_{mn}}\,$$/$$T{M_{mn}}\,$$ where m and n are the eigen numbers

Consider a closed surface S surrounding volume V. If $$\overrightarrow{\mathrm r}$$ is the position vector of a point i

Drift current in the semiconductors depends upon

For a BJT the common base current gain $$\alpha$$ = 0.98 and the collector base junction reverse bias saturation current

The channel resistance of an N-channel JFET shown in the figure below is 600 W when the full channel thickness (tch) of

The channel resistance of an N-channel JFET shown in the figure below is 600 W when the full channel thickness (tch) of

In the circuit shown below, for the MOS transistors, $$\mu_nC_{ox}\;=\;100\;\mu A/V^2$$ and the threshold voltage VT = 1

The system of equations $$x+y+z=6,$$ $$x+4y+6z=20,$$ $$x + 4y + \lambda z = \mu $$ has no solution for values of $$\lamb

Consider a closed surface $$'S'$$ surrounding a volume $$V.$$ If $$\overrightarrow r $$ is the position vector of a poin

A fair dice is tossed two times. The probability that the $$2$$nd toss results in a value that is higher than the first

The solution of differential equation $${{dy} \over {dx}} = ky,y\left( 0 \right) = C$$ is

A numerical solution of the equation $$f\left( x \right) = x + \sqrt x - 3 = 0$$ can be obtained using Newton $$-$$ Rap

The value of the integral $$\oint\limits_c {{{ - 3z + 4} \over {{z^2} + 4z + 5}}} \,\,dz,$$ when $$C$$ is the circle $$|

An 8085 assembly language program is given below. Assume that the carry flag is initially unset. The content of the accu

In the circuit shown below, the Norton equivalent current in amperes with respect to terminals P and Q is

In the circuit shown below the value of RL such that the power transferred to RL is maximum

If the unit step response of a network is $$(1-e^{-\alpha t})$$, then its unit impulse response is

In the circuit shown below, the initial charge on the capacitor is 2.5 mC, with the voltage polarity as indicated. The s

In the circuit shown below, the network N is described by the following Y matrix: $$$Y\;=\;\begin{bmatrix}0.1S&-0.01

In the circuit shown below, the current I is equal to

If $$F\left( s \right) = L\left[ {f\left( t \right)} \right] = {{2\left( {s + 1} \right)} \over {{s^2} + 4s + 7}}$$ then

The first six points of the 8-point DFT of a real valued sequence are 5, 1 - j3, 0, 3- j4, 0 and 3+ j4. The last two p

The differential equation $$100{{{d^2}y} \over {dt}} - 20{{dy} \over {dt}} + y = x\left( t \right)$$ describes a system

An input x(t) = exp( -2t) u(t) + $$\delta $$(t-6) is applied to an LTI system with impulse response h(t) = u(t). The out

A system is defined by its impulse response $$h\left( n \right) = {2^n}\,u\left( {n - 2} \right).$$ The system is

Two system $${H_1}\left( z \right)$$ and $${H_2}\left( z \right)$$ are connected in cascade as shown below. The overall

Choose the most appropriate word from the options given below to complete the following sentence: It was her view that t

Choose the word from the options given below that is most nearly opposite in meaning to the given word: Frequency

The question below consists of a pair of related words followed by four pairs of words. Select the pair that best expres

Choose the most appropriate word from the options given below to complete the following sentence: Under ethical guidelin

There are two candidates P and Q in an election. During the campaign, 40% of the voters promised to vote for P, and rest

Three friends, R, S and T shared toffee from a bowl. R took 1/3rd of the toffees, but returned four to the bowl. S took

Given that f(y) = |y| / y, and q is any non-zero real number, the value of | f(q) - f(-q) | is

The sum of n terms of the series 4 + 44 + 444 +.... is

The horse has played a little known but very important role in the field of medicine. Horses were injected with toxins o

The fuel consumed by a motorcycle during a journey while traveling at various speeds is indicated in the graph below.