GATE EE 2012
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GATE EE

The $$i$$-v characteristics of the diode in the circuit given below are $$$i = \left\{ {\matrix{ {{{v - 0.7} \over {5
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The voltage gain $${A_V}$$ of the circuit shown below is
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The circuit shown is a
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The feedback system shown below oscillates at $$2$$ rad/s when
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A system with transfer function $$\,G\left( s \right) = {{\left( {{s^2} + 9} \right)\left( {s + 2} \right)} \over {\left
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The transfer function of a compensator is given as $${G_c}\left( s \right) = {{s + a} \over {s + b}}$$ $${G_c}\left( s
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The transfer function of a compensator is given as $${G_c}\left( s \right) = {{s + a} \over {s + b}}$$ The phase of the
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The state variable description of an $$LTI$$ system is given by $$$\left( {\matrix{ {\mathop {{x_1}}\limits^ \bullet
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In the sum of products function $$f\,\left( {X,\,Y,\,Z} \right) = \sum \left( {2,\,\,3,\,\,4,\,\,5} \right),$$ the prime
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The output $$Y$$ of a $$2$$ $$-$$ bit comparator is logic $$1$$ whenever the $$2$$-bit input $$A$$ is greater than the $
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Consider the given circuit. In this circuit, the race around
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The state transition diagram for the logic circuit shown is
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The impedance looking into nodes 1 and 2 in the given circuit is
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In the circuit shown below, the current through the inductor is
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If $$V_A-V_B=\;6\;V$$, then $$V_C-V_D$$ is
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Assuming both the voltage sources are in phase, the value of R for which maximum power is transferred from circuit A to
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In the following figure, C1 and C2 are ideal capacitors. C1 has been charged to 12 V before the ideal switch S is closed
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The average power delivered to an impedance $$\left(4-j3\right)$$ Ω by a current $$5\cos\left(100\mathrm{πt}+100\right)\
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A two phase load draws the following phase currents: $$i_1\left(t\right)=I_m\sin\left(\omega t-\phi_1\right)$$,
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In the circuit shown, the three voltmeter readings are V1 = 220V, V2 = 122V , V3 = 136V. The power factor of the load i
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In the circuit shown, the three voltmeter readings are V1 = 220V, V2 = 122V , V3 = 136V. If RL=5 Ω , the approximate po
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With 10 V dc connected at port A in the linear nonreciprocal two-port network shown below, the following were observed:
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With 10 V dc connected at port A in the linear nonreciprocal two-port network shown below, the following were observed:
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A periodic voltage waveform observed on an oscilloscope across a load is shown. A permanent magnet moving coil $$(PMMC)$
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An analog voltmeter uses external multiplier settings. With a multiplier setting of $$20\,\,k\Omega ,$$ it reads $$440$$
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The bridge method commonly used for finding mutual inductance is
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For the circuit shown in the figure, the voltage and current expressions are $$v\left( t \right) = {E_1}\sin \left( {\o
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A 220 V, 15 kW, 1000 rpm shunt motor with armature resistance of 0.25 Ω , has a rated line current of 68 A and a rated
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A single phase 10 kVA, 50 Hz transformer with 1 kV primary winding draws 0.5 A and 55 W, at rated voltage and frequency,
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The slip of an induction motor normally does not depend on
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The locked rotor current in a 3-phase, star connected 15 kW, 4-pole, 230 V, 50 Hz induction motor at rated conditions is
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Given that $$A = \left[ {\matrix{ { - 5} & { - 3} \cr 2 & 0 \cr } } \right]$$ and $${\rm I} = \left[
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The maximum value of $$f\left( x \right) = {x^3} - 9{x^2} + 24x + 5$$ in the interval $$\left[ {1,6} \right]$$ is
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The direction of vector $$A$$ is radially outward from the origin, with $$\left| A \right| = K\,{r^n}$$ where $${r^2} =
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Two independent random variables $$X$$ and $$Y$$ are uniformly distributed in the interval $$\left[ { - 1,1} \right].$$
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A fair coin is tossed till a head appears for the first time. The probability that the number of required tosses is odd
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With initial condition $$x\left( 1 \right)\,\,\, = \,\,\,\,0.5,\,\,\,$$ the solution of the differential equation, $$\,\
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If $$x\left[ N \right] = {\left( {1/3} \right)^{\left| n \right|}} - {\left( {1/2} \right)^n}\,u\left[ n \right],$$ then
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The unilateral Laplace transform of $$f(t)$$ is $$\,{1 \over {{s^2} + s + 1}}.$$ The unilateral Laplace transform of $$
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Consider the differential equation $${{{d^2}y\left( t \right)} \over {d{t^2}}} + 2{{dy\left( t \right)} \over {dt}} + y
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If $$x = \sqrt { - 1} ,\,\,$$ then the value of $${X^x}$$ is
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Given $$f\left( z \right) = {1 \over {z + 1}} - {2 \over {z + 3}}.$$ If $$C$$ is a counterclockwise path in the $$z$$-pl
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The typical ratio of latching current to holding current in a $$20$$ $$A$$ thyristor is
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A half-controlled single-phase bridge rectifier is supplying an $$R$$-$$L$$ load. It is operated at a firing angle $$α$$
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In the circuit shown, an ideal switch $$S$$ is operated at $$100$$ $$kHz$$ with a duty ratio of $$50%$$. Given that $$\D
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In the $$3$$-phase inverter circuit shown, the load is balanced and the gating scheme is $${180^ \circ }$$ -conduction m
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In the $$3$$-phase inverter circuit shown, the load is balanced and the gating scheme is $${180^ \circ }$$ -conduction m
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For the system shown below, SD1 and SD2 are complex power demands at bus $$1$$ and bus $$2$$ respectively. If $$\left| {
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The figure shows a two-generator system supplying a load of $${P_D} = 40\,MW,$$ connected at bus $$2.$$ The fuel cost
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A cylindrical rotor generator delivers $$0.5$$ pu power in the steady-state to an infinite bus through a transmission li
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The sequence components of the fault current are as follows: $${{\rm I}_{positive}} = j1.5\,pu,\,\,{{\rm I}_{negative}}
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The bus admittance matrix of a three-bus three-line system is $$y = j\left[ {\matrix{ { - 13} & {10} & 5 \cr
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The input x(t) and output y(t) of a system are related as $$\int_{-\infty}^tx\left(\tau\right)\cos\left(3\tau\right)d\ta
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L et y[n] denote the convolution of h[n] and g[n], where $$h\left[n\right]=\left(1/2\right)^nu\left[n\right]$$ and g[n]
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The Fourier transform of a signal h(t) is $$H\left(j\omega\right)=\left(2\cos\omega\right)\left(\sin2\omega\right)/\omeg
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The unilateral Laplace transform of f(t) is $$\frac1{s^2\;+\;s\;+\;1}$$. The unilateral Laplace transform of tf(t) is
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