Consider the OP AMP based circuit shown in the figure. Ignore the conduction drops of diodes $$D_1$$ and $$D_2$$. All th

All the elements in the circuit shown in the following figure are ideal. Which of the following statements is/are true?

The Zener diode in circuit has a breakdown voltage of 5 V. The current gain $$\beta$$ of the transistor in the active re

For the block diagram shown in the figure, the transfer function $${{Y(s)} \over {R(s)}}$$ is

In the Nyquist plot of the open-loop transfer function $$G(s)H(s) = {{3s + 5} \over {s - 1}}$$ corresponding to the feed

Consider a unity-gain negative feedback system consisting of the plant G(s) (given below) and a proportional-integral co

The magnitude and phase plots of an LTI system are shown in the figure. The transfer function of the system is

Consider a lead compensator of the form $$K(s) = {{1 + {s \over a}} \over {1 + {s \over {\beta a}}}},\beta > 1,a > 0$$

Consider the state-space description of an LTI system with matrices $$A = \left[ {\matrix{ 0 & 1 \cr { - 1} & {

An 8 bit ADC converts analog voltage in the range of 0 to +5 V to the corresponding digital code as per the conversion c

Neglecting the delays due to the logic gates in the circuit shown in figure, the decimal equivalent of the binary sequen

In a given 8-bit general purpose micro-controller there are following flags. C-Carry, A-Auxiliary Carry, O-Overflow flag

The value of parameters of the circuit shown in the figure are $${R_1} = 2\Omega ,{R_2} = 2\Omega ,{R_3} = 3\Omega ,L =

For the circuit shown in the figure, $$V_1=8$$ V, DC and $$I_1=8$$ A, DC. The voltage $$V_{ab}$$ in Volts is __________

A 3-phase, star-connected, balanced load is supplied from a 3-phase, 400 V (rms), balanced voltage source with phase seq

For the circuit shown, if $$i = \sin 1000t$$, the instantaneous value of the Thevenin's equivalent voltage (in Volts) ac

The admittance parameters of the passive resistive two-port network shown in the figure are $${y_{11}} = 5\,S,{y_{22}} =

The circuit shown in the figure is initially in the steady state with the switch K in open condition and $$\overline K $

A balanced delta connected load consisting of the series connection of one resistor (R = 15 $$\Omega$$) and a capacitor

The following columns present various modes of induction machine operation and the ranges of slip .tg {border-collapse

A 10-pole, 50 Hz, 240 V, single phase induction motor runs at 540 RPM while driving rated load. The frequency of induced

The four stator conductors (A, A', B and B') of a rotating machine are carrying DC currents of the same value, the direc

A separately excited DC motor rated 400 V, 15 A, 1500 RPM drives a constant torque load at rated speed operating from 40

A three-phase synchronous motor with synchronous impedance of 0.1+j0.3 per unit per phase has a static stability limit o

A three phase 415 V, 50 Hz, 6-pole, 960 RPM, 4 HP squirrel cage induction motor drives a constant torque load at rated s

When the winding c-d of the single-phase, 50 Hz, two winding transformer is supplied from an AC current source of freque

In the figure, the electric field E and the magnetic field B point to x and z directions, respectively, and have constan

An infinite surface of linear current density $$K = 5{\widehat a_x}$$ A/m exists on the x-y plane, as shown in the figur

The closed curve shown in the figure is described by $$r = 1 + \cos \theta $$, where $$r = \sqrt {{x^2} + {y^2}} ;x = r\

A quadratic function of two variables is given as $$f({x_1},{x_2}) = x_1^2 + 2x_2^2 + 3{x_1} + 3{x_2} + {x_1}{x_2} + 1$$

For a given vector $${[\matrix{ 1 & 2 & 3 \cr } ]^T}$$, the vector normal to the plane defined by $${w^T}x = 1$$

In the figure, the vectors u and v are related as : Au = v by a transformation matrix A. The correct choice of A is

One million random numbers are generated from a statistically stationary process with a Gaussian distribution with mean

In the following differential equation, the numerically obtained value of $$y(t)$$, at $$t=1$$ is ___________ (Round off

Three points in the x-y plane are ($$-$$1, 0.8), (0, 2.2) and (1, 2.8). The value of the slope of the best fit straight

Consider the following equation in a 2-D real-space. $$|{x_1}{|^p} + |{x_2}{|^p} = 1$$ for $$p > 0$$ Which of the follow

The expected number of trials for first occurrence of a "head" in a biased coin is known to be 4. The probability of fir

The chopper circuit shown in figure (i) feeds power to a 5 A DC constant current source. The switching frequency of the

A semiconductor switch needs to block voltage V of only one polarity (V > 0) during OFF state as shown in figure (i)

The circuit shown in the figure has reached steady state with thyristor 'T' in OFF condition. Assume that the latching a

The single phase rectifier consisting of three thyristors $$T_1,T_2,T_3$$ and a diode $$D_1$$ feed power to a 10 A const

For the three-bus power system shown in the figure, the trip signals to the circuit breakers B$$_1$$ to B$$_9$$ are prov

The expressions of fuel cost of two thermal generating units as a function of the respective power generation $${P_{G1}}

The bus admittance ($$Y_{bus}$$) matrix of a 3-bus power system is given below. $$\quad\quad$$$$\matrix{ 1 & \quad\qu

A 50 Hz, 275 kV line of length 400 km has the following parameters: Resistance, R = 0.035 $$\Omega$$/km; Inductance, L =

The three-bus power system shown in the figure has one alternator connected to bus 2 which supplies 200 MW and 40 MVAr p

The two-bus power system shown in figure (i) has one alternator supplying a synchronous motor load through a Y-$$\Delta$

A continuous-time system that is initially at rest is described by $${{dy(t)} \over {dt}} + 3y(t) = 2x(t)$$, where $$x(t

The Fourier transform $$X(\omega)$$ of the signal $$x(t)$$ is given by $$X(\omega ) = 1$$, for $$|\omega | $$ = 0$$, fo

The Z-transform of a discrete signal $$x[n]$$ is $$X(z) = {{4z} \over {(z - {1 \over 5})(z - {2 \over 3})(z - 3)}}$$ wit

Which of the following statement(s) is/are true?

For the signals $$x(t)$$ and $$y(t)$$ shown in the figure, $$z(t)=x(t)*y(t)$$ is maximum at $$t=T_1$$. Then $$T_1$$ in s

The period of the discrete-time signal $$x[n]$$ described by the equation below is $$N=$$ __________ (Round off to the n

The discrete-time Fourier transform of a signal $$x[n]$$ is $$X(\Omega ) = (1 + \cos \Omega ){e^{ - j\Omega }}$$. Consid

A signal $$x(t) = 2\cos (180\pi t)\cos (60\pi t)$$ is sampled at 200 Hz and then passed through an ideal low pass filter

Rafi told Mary, "I am thinking of watching a film this weekend." The following repots the above statement in indirect sp

Permit : __________ : : Enforce : Relax (By word meaning)

Given a fair six-faced dice where the faces are labelled '1', '2', '3', '4', '5', and '6', what is the probability of ge

A recent survey shows that 65% of tobacco users were advised to stop consuming tobacco. The survey also shows that 3 out

How many triangles are present in the given figure?

Students of all the departments of a college who have successfully completed the registration process are eligible to vo

Which of the following options represents the given graph?

Which one of the options does NOT describe the passage below or follow from it? We tend to think of cancer as a 'modern'

the digit in the unit's place of the product $$3^{999}\times7^{1000}$$ is __________.

A square with sides of length 6 cm is given. The boundary of the shaded region is defined by two semi-circles whose diam