GATE EE 1994
GATE EE
Given figure shows a two stage small signal transistor feedback amplifier. Match the defective component (listed on the
View Question Figure below shows an op-amp amplifier. Find the output voltage in steady state condition where $$(i)$$ switch is open $
View Question A practical $$R$$-$$C$$ sinusoidal oscillator is built using a positive feedback amplifier with a closed loop gain sligh
View Question In the transistor circuit shown in figure. Collector to ground voltage is $$+20V.$$ Which of the following is the probab
View Question Given figure, shows a non - inverting op - amp summer with $${V_1} = 2\,V$$ and $${V_2} = \, - 1V.$$ The output voltage
View Question A differentiator has transfer function whose
View Question The pole $$-$$ zero configuration of a phase lead compensator is given by
View Question The matrix of any state space equations for the transfer function $$C(s)/R(s)$$ of the system, shown below in. Figure is
View Question The closed loop system , of Figure, is stable if the transfer function $$T\left( s \right) = {{C\left( s \right)} \over
View Question The number of positive real roots of the equation $${s^3} - 2s + 2 = 0$$ is __________.
View Question The number of comparisons carried out in a $$4$$-bit flash type $$A/D$$ converter is
View Question The contents of the accumulator in an $$8085$$ microprocessor is altered after the execution of the instruction.
View Question The stack pointer of a microprocessor is at $$A001H.$$ At the end of execution of following instructions, the value of s
View Question Figure shows $$a$$ $$b$$ $$c$$. resistive network and its graph is drawn aside. $$A$$ 'proper tree' chosen for analyzing
View Question At resonance, the given parallel circuit constituted by an iron - cored coil and a capacitor behaves like
View Question In the given circuit, the voltage $$\overline {{V_L}} $$ has a phase angle of ____________ with respect to $$\overline {
View Question A set of $$3$$ equal resistors, each of value $${R_X},$$ connected in star across $$RYB$$ of given Fig. consumes the sam
View Question If a two-port network is passive, then we have, with the usual notation, the following relationship
View Question Superposition principle is not applicable to a network containing time-varying registors.
View Question A precise measurement guarantees accuracy of the measured quantity.
View Question A $$0$$-$$10$$ $$mA$$ $$PMMC$$ ammeter reads $$4$$ $$mA$$ in a circuit. Its bottom control spring snaps suddenly. The me
View Question A d.c. potentiometer is designed to measure up to about $$2$$ $$V$$ with a slide wire of $$800$$ mm. A standard cell of
View Question A lissajous pattern, as shown in figure below, is observed on the screen of a $$CRO$$ when voltages of frequencies $${f_
View Question Skew is used in induction motors in order to reduce torque due to
View Question When a transformers winding suffers a short-circuit, the adjoining turns of the same winding experience
View Question Two transformers of identical voltage but of different capacities are operating in parallel. For satisfactory load shari
View Question Match the following List-$${\rm I}$$ with List-$${\rm II}$$
List $$-$$ $${\rm I}$$
$$(a)$$ Line charge
$$(b)$$ Magnetic
View Question In electrostatic field $$\nabla\times\overrightarrow E\equiv0$$
View Question Static magnetic fields induce currents in closed conducting loops.
View Question $$A$$ $$\,\,5 \times 7$$ matrix has all its entries equal to $$1.$$ Then the rank of a matrix is
View Question The eigen values of the matrix $$\left[ {\matrix{
a & 1 \cr
a & 1 \cr
} } \right]$$ are
View Question The number of linearly independent solutions of the system of equations
$$\left[ {\matrix{
1 & 0 & 2 \cr
View Question The integration of $$\int {{\mathop{\rm logx}\nolimits} \,dx} $$ has the value
View Question The volume generated by revolving the area bounded by the parabola $${y^2} = 8x$$ and the line $$x=2$$ about $$y$$-axis
View Question The directional derivative of $$f\left( {x,y} \right) = 2{x^2} + 3{y^2} + {z^2}\,\,$$ at point $$P\left( {2,1,3} \right)
View Question A switched mode power supply operating at $$20$$ $$kHz$$ to $$100$$ $$kHz$$ range uses as the main switching element
View Question A triac can be triggered by a gate pulse of __________ polarity
View Question The output voltage of a six - pulse double star rectifier is the same as that of a three - phase half wave rectifier
View Question Match the following
List $$-$$ $${\rm I}$$
$$A.$$ Commutation
$$B.$$ $$V$$ $$-$$ Curves
$$C.$$ Free wheeling diode
$$D.$
View Question Referring to the figure the type of load is
View Question A line - commutated inverter changes $$dc$$ voltage to $$ac$$ voltage
View Question Thysistor circuits that directly convert poly phase $$ac$$ voltage from one frequency to another frequency are called _
View Question The charging current of a $$400$$ kV transmission line is more than that of a $$220$$ kV line of the same length.
View Question In a $$400$$ kV network, $$360$$ kV is recorded at a $$400$$ kV bus. The reactive power absorbed by a shunt reactor rate
View Question Consider a three-phase, $$50$$ $$Hz$$, $$11$$ $$kV$$ distribution system. Each of the conductors is suspended by an insu
View Question The increase in resistance due to non-uniform distribution of current in a conducto $$r$$ is known as _______effect
View Question In a system, there are two generators operating in parallel. One generator, of rating 250 MVA, has an inertia-constant o
View Question In a power-system, the $$3$$-phase fault MVA is always higher than the single-line-ground fault MVA at a bus (State True
View Question HVDC transmission is preferred to EHV __ AC because
View Question If $$f(t)$$ is the step-response of a linear time-invariant system, then its impulse response is given by ___________
View Question The value of the integral $$\int_{-5}^{+6}e^{-2t}\delta\left(t-1\right)dt$$ is equal to ________.
View Question