GATE EE 1994
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GATE EE

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