GATE EE 2006
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## GATE EE

What are the states of the three ideal diodes of the circuit shown in figure?
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Assuming the diodes $${D_1}$$ and $${D_2}$$ of the circuit shown in the figure to be ideal ones, the transfer characteri
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Consider the circuit shown in figure. If the $$\beta$$ of the transistor is $$30$$ and $${{\rm I}_{CBO}}$$ is $$20$$
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For given sinusoidal input voltage, the voltage waveform at point $$P$$ of the clamper circuit shown in figure will be
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A relaxation oscillator is made using op-amp as shown in figure. The supply Voltage of the op-amp are $$\pm 12$$ the vo
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The algebraic equation $$F\left( s \right) = {s^5} - 3{s^4} + 5{s^3} - 7{s^2} + 4s + 20$$ $$F\left( s \right) = 0$$ ha
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A closed loop system has the characteristic function $$\left( {{s^2} - 4} \right)\left( {s + 1} \right) + K\left( {s - 1 View Question The Bode magnitude plot of$$H\left( {j\omega } \right) = {{{{10}^4}\left( {1 + j\,\omega } \right)} \over {\left( {10 +
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Consider the following Nyquist plots of loop transfer functions over $$\omega = 0$$ to $$\omega = \infty .$$ Which of
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For a system with the transfer function $$H\left( s \right) = {{3\left( {s - 2} \right)} \over {{s^3} + 4{s^2} - 2s + 1} View Question A$$4 \times 1\,\,MUX$$is used to implement a$$3$$- input Boolean function as shown in figure. The Boolean function$$
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A TTL NOT gate circuit is shown in figure. Assuming $${V_{BE}} = 0.7\,v$$ of both the transistors, if $${V_i} = 3.0\,V, View Question A student has made a-$$3$$bit binary down counter and connected to the$$R$$-$$2R$$ladder type$$DAC$$[Gain$$=\
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A software delay subroutine is written as given below: How many times $$DCR$$ $$L$$ instruction will be executed?
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In the figure the current source is $$1\,\,\angle \,0\,A,$$ $$R = \,1\,\,\Omega ,$$ the impedances are $${Z_C} = - j\, View Question An ideal capacitor is charged to a voltage$${V_0}$$and connected at$$t=0$$across an ideal inductor$$L.$$(The circu View Question The circuit shown in the figure is energized by a sinusoidal voltage source$${V_1}$$at a frequency which causes resona View Question A$$400V$$,$$50Hz,$$three phase balanced source supplies power to a star connected load whose rating is$$12\,\,\
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The parameters of the circuit shown in the figure are $${R_i} = 1\,\,M\,\Omega ,\,\,{R_0} = 10\,\Omega ,\,\,A = {10^6}\ View Question A variable$$'w'$$is related to three other variables$$x, y, z$$as$$w=xy/z.$$The variables are measured with meters View Question A current of$$ - 8 + 6\sqrt 2 \left( {\sin \,\omega t + {{30}^0}} \right)\,\,A$$is passed though three meters. They ar View Question$${R_1}$$and$${R_2}$$are the opposite arms of$${R_3}$$and$${R_4}$$of a wheat stone bridge. The source voltage is View Question A sampling wattmeter (that computes power from simultaneously sampled values of voltage and current) is used to measure View Question An energy meter connected to an immersion heater (resistive) operating on an$$AC230V,50Hz,AC$$sing View Question A$$200/1$$current transformer$$(CT)$$is wound with$$200$$turns on the secondary on a toroidal core. When it carrie View Question The time/div and voltage/div axes of an oscilloscope have been erased. A student connects a 1kHz, 5V p-p square wave cal View Question A$$3$$phase,$$4$$pole,$$400V,50Hz,$$star connected induction motor has following circuit parameters View Question The speed of a$$4$$-pole induction motor is controlled by varying the supply frequency while maintaining the ratio of s View Question A$$3$$phase,$$10kW$$,$$400V,4$$pole,$$50Hz$$, star connected induction motor draws$$20$$A on View Question A synchronous generator is feeding a zero power factor (lagging) load at rated current the armature reaction is View Question A$$3$$-phase$$4000V,5kW,$$star connected synchronous motor having an internal reactance of$$10oh
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A $$4$$ pole, $$50$$ $$Hz,$$ synchronous generator has $$48$$ slots in which a double layer winding is house. Each coil
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A $$4$$ pole, $$50$$ $$Hz,$$ synchronous generator has $$48$$ slots in which a double layer winding is house. Each coil
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In a $$DC$$ machine, which of the following statements is true?
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A $$220V$$ $$DC$$ machine supplies $$20$$ $$A$$ at $$200V$$ as a generator. The armature resistance is $$0.2$$ ohm. If t
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In transformers, which of the following statements is valid?
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A $$300$$ $$kVA$$ transformer has $$95\%$$ efficiency at full load $$0.8$$ $$pf$$ lagging and $$96\%$$ efficiency at
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Two transformers are to be operated in parallel such that they share load in proportion to their $$kVA$$ ratings. The ra
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A $$300$$ $$kVA$$ transformer has $$95\%$$ efficiency at full load $$0.8$$ $$pf$$ lagging and $$96\%$$ efficiency at
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The concept of an electrically short, medium, and long line is primarily based on the
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Consider the following statements with reference to the equation $$\nabla.\overrightarrow J=-\frac{\partial\rho}{\partia View Question Which of the following statements holds for the divergence of electric and magnetic flux densities? View Question The expression$$V = \int\limits_0^H {\pi {R^2}{{\left( {1 - {h \over H}} \right)}^2}dh\,\,\,} $$for the volume of a co View Question A$$3-$$phase fully controlled bridge converter with free wheeling diode is fed from$$400V$$,$$50Hz$$View Question A solar cell of$$350V$$is feeding power to an$$ac$$supply of$$440V,50Hz$$through a$$3$$- phase ful View Question An$$SCR$$having a turn ON time of$$5\,\,\mu \,\,\sec $$, latching current of$$50mA$$and holding current of$$4
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A voltage commutated chopper operating at $$1$$ $$kHz$$ is used to control the speed of $$dc$$ motor as shown in figure.
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A voltage commutated chopper operating at $$1$$ $$kHz$$ is used to control the speed of $$dc$$ motor as shown in figure.
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A voltage commutation circuit is shown in figure. If the turn off time of the $$SCR$$$$s$$ is $$50$$ $$\mu \sec$$ and
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A single $$-$$ phase half wave uncontrolled converter circuit is shown in figure. A $$2$$ -winding transformer is used a
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A single - phase bridge converter is used to charge a battery of $$200$$ $$V$$ having an internal resistance of $$2\,\,\ View Question The concept of an electricity short, medium and long line is primarily based on the View Question A$$400$$V,$$50$$Hz, three phase balanced source supplies power to a star connected load whose rating is$$12\sqrt 3
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The $$A, B, C, D$$ constant of a $$220$$ $$kV$$ line are: $$A = D = 0.94\,\angle \,10,\,\,\,B = 130\,\angle \,730,\,\,\ View Question A generator feeds power to an infinite bus through a double circuit transmission line. A$$3$$phase fault occurs at th View Question A generator feeds power to an infinite bus through a double circuit transmission line. A 3 phase fault occurs at the mi View Question Three identical star connected resistors of$$1.0p.u$$are connected to an unbalanced$$3$$phase supply. The load View Question Keeping in view the cost and overall effectiveness, the following circuit breaker is best suited for capacitor bank swit View Question In a biased differential relay the bias is defined as a ratio of View Question The Gauss Seidel load flow method has following disadvantages. Tick the incorrect student. View Question For a power system the admittance and impedance matrices for the fault studies are as follows.$$\eqalign{ &amp; {Y_{ View Question For a power system the admittance and impedance matrices for the fault studies are as follows. \eqalign{ &amp; {Y_{ View Question An HVDC link consists of rectifier, inverter transmission line and other equipments. Which one of the following is true View Question A generator is connected through a20$$MVA,$$13.8/138$$kV step up transformer, to a transmission line. At the recei View Question The discrete-time signal$$x\left[n\right]\leftrightarrow X\left(z\right)={\textstyle\sum_{n=0}^\infty}\frac{3^n}{2+n}z
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A discrete real all pass system has a pole at $$z = 2\angle {30^ \circ };\,$$ it, therefore,
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$$y\left[ n \right]$$ denotes the output and $$x\left[ n \right]$$ denotes the input of a discrete-time system given by
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$$x\left[ n \right] = 0;\,n &lt; - 1,\,n &gt; 0,\,x\left[ { - 1} \right] = - 1,\,x\left[ 0 \right]$$ $$\,\,\,\,\,\,\,\ View Question A continuous-time system is described by$$y\left( t \right) = {e^{ - |x\left( t \right)|}},$$where$$y(t)$$is the out View Question$$x(t)$$is a real valued function of a real variable with period$$T. Its trigonometric. Fourier Series expansion con
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