GATE EE 2015 Set 2
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## GATE EE

In the following circuit, the input voltage $${V_{in}}$$ is $$100\sin \left( {100\pi t} \right).$$ For $$100\pi RC = 50, View Question When a bipolar junction transistor is operating in the saturation mode, which one of the following statements is TRUE ab View Question In the following circuit, the transistor is in active mode and$${V_C} = 2V.$$To get$${V_C} = 4V,$$we replace$${R_C}
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The operational amplifier shown in the figure is ideal. The input voltage (in Volt) is $${V_i} = 2\sin \left( {2\pi \ti View Question The filters$${F_1}$$and$${F_2}$$having characteristics as shown in figures$$(a)$$and$$(b)$$are connected as show View Question The saturation voltage of the ideal op-amp shown below is$$ \pm 10\,V.$$The output voltage$${V_O}$$of the following View Question An open loop control system results in a response of$${e^{ - 2t}}\left( {\sin 5t + \cos 5t} \right)$$for a unit impuls View Question The unit step response of a system with the transfer function$$G\left( s \right) = {{1 - 2s} \over {1 + s}}$$is given View Question The following discrete-time equations result from the numerical integration of the differential equations of an un-dampe View Question An open loop transfer function$$G(s)$$of system is$$G\left( s \right) = {k \over {s\left( {s + 1} \right)\left( {s +
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Nyquist plots of two functions $${G_1}\left( s \right)$$ and $${G_2}\left( s \right)$$ are shown in figure. Nyquist p
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For the system governed by the set of equations: \eqalign{ &amp; d{x_1}/dt = 2{x_1} + {x_2} + u \cr &amp; d{x_ View Question Consider the following Sum of products expression,F.F = ABC + \overline A \overline B C + A\overline B C + \ove
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A Boolean function $$f\left( {A,B,C,D} \right) = \Pi \left( {1,5,12,15} \right)$$ is to be implemented using an $$8 \tim View Question In the following sequential circuit, the initial state (before the first clock pulse) of the circuit is$${Q_1}{Q_0}$$View Question The current i (in Ampere) in the 2 Ω resistor of the given network is _________. View Question A series RL circuit is excited at t = 0 by closing a switch as shown in the figure. Assuming zero initial conditions, th View Question Find the transformer ratios a and b that the impedance (Zin) is resistive and equal 2.5 Ω when the network is excited wi View Question In the given network$$V_1=100\angle0^\circ V$$,$$V_2=100\angle-120^\circ V$$,$$V_3=100\angle+120^\circ V$$. The phaso View Question Two identical coils each having inductance L are placed together on the same core. If an overall inductance of$$\alpha\$
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A symmetrical square wave of 50% duty cycle has amplitude of ±15V and time period of 0.4$$\mathrm\pi$$ ms. This square w
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A capacitive voltage divider is used to measure the bus voltage Vbus in a high-voltage 50Hz AC system as shown in the fi
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Match the following.
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A 3-phase balanced load which has a power factor of 0.707 is connected to a balanced supply. The power consumed by the l
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The coils of a wattmeter have resistances $$0.01$$ $$\Omega$$ and $$1000$$ $$\Omega$$; their inductances may be neglec
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A 4-pole, separately excited, wave wound DC machine with negligible armature resistance is rated for 230 V and 5 kW at a
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A shunt-connected DC motor operates at its rated terminal voltage. Its no-load speed is 200 radian/second. At its rated
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With an armature voltage of 100 V and rated field winding voltage, the speed of a separately excited DC motor driving a
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Two three-phase transformers are realized using single-phase transformers as shown in the figure. The phase difference
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A balanced (positive sequence) three-phase AC voltage source is connected to a balanced, star connected load through a s
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A three-winding transformer is connected to an AC voltage source as shown in the figure. The number of turns are as foll
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The figure shows the per-phase equivalent circuit of a two-pole three-phase induction motor operating at 50 Hz. The 'air
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A 220 V, 3-phase, 4-pole, 50 Hz inductor motor of wound rotor type is supplied at rated voltage and frequency. The stato
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A three-phase, $$11$$ $$kV,$$ $$50$$ $$Hz,$$ $$2$$ pole, star connected, cylindrical rotor synchronous motor is connecte
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Match the following.
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Two semi-infinite conducting sheets are placed at right angles to each other as shown in the figure. A point charge of +
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Two semi-infinite dielectric regions are separated by a plane boundary at y = 0. The dielectric constants of region 1 (y
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A circular turn of radius 1 m revolves at 60 rpm about its diameter aligned with the x-axis as shown in the figure. The
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We have a set of $$3$$ linear equations in $$3$$ unknown. $$'X \equiv Y'$$ means $$X$$ and $$Y$$ are equivalent statemen
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The volume enclosed by the surface $$f\left( {x,y} \right) = {e^x}$$ over the triangle bounded by the lines $$x=y;$$ $$x View Question Match the following. List-$${\rm I}P.$$Stoke's Theorem$$Q.$$Gauss's Theorem$$R.$$Divergence Theorem$$S.$$Ca View Question Two coins$$R$$and$$S$$are tossed. The$$4$$joint events$$\,\,\,\,\,\,{H_R}{H_S},\,\,\,\,{T_R}{T_S},\,\,\,\,{H_R}{T
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A differential equation $$\,\,{{di} \over {dt}} - 0.21 = 0\,\,$$ is applicable over $$\,\, - 10 &lt; t &lt; 10.\,\,$$ If
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Given $$f\left( z \right) = g\left( z \right) + h\left( z \right),$$ where $$f,g,h$$ are complex valued functions of a c
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The Laplace transform of $$f\left( t \right) = 2\sqrt {t/\pi }$$$$\,\,\,\,\,$$ is$$\,\,\,\,\,$$ $${s^{ - 3/2}}.$$ The L
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In the given rectifier, the delay angle of the thyristor $${T_1}$$ measured from the positive going zero crossing of $${ View Question For the switching converter shown in the following figure, assume steady-state operation. Also assume that the component View Question A composite conductor consists of three conductors of radius$$R$$each. The conductors are arranged as shown below. The View Question The synchronous generator shown in the figure is supplying active power to an infinite bus via two short, lossless trans View Question The incremental costs (in rupees/$$MWh$$) of operating two generating units are functions of their respective powers$${
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A $$3$$-phase transformer rated for $$33 kV/11kV$$ is connected in delta/star as shown in figure. The current transforme
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A $$3$$-bus power system network consists of $$3$$ transmission lines. The bus admittance matrix of the uncompensated sy
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For linear time invariant systems, that are Bounded Input Bounded stable, which one of the following statement is TRUE?
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Consider a signal defined by $$x\left(t\right)=\left\{\begin{array}{l}e^{j10t}\;\;\;for\;\left|t\right|\leq1\\0\;\;\;\; View Question The Laplace transform of f(t)=$$2\sqrt{t/\mathrm\pi}$$is$$s^{-3/2}$$. The Laplace transform of g(t)=$$\sqrt{1/\mathrm
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The z-Transform of a sequence x[n] is given as X(z) = 2z+4−4/z+3/z2. If y[n] is the first difference of x[n], then Y(Z)
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