GATE EE 2000
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GATE EE

In the circuit of figure, the value of the base current $${{\rm I}_B}$$ will be
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The type of power amplifier which exhibits crossover distortion in its output is
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The circuit shown in figure uses an ideal op-amp working with $$+5V$$ and $$-5V$$ power supplies. The output voltage $${
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The feedback factor for the circuit shown in fig. is
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An active filter consisting of an op-amp, resistor $${R_1},\,\,{R_2},\,\,{R_3}$$ and two capacitors of value $$C$$ each,
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An analog electronic circuit that measures $$rms$$ value of the input voltage by averaging the square of the instantane
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A current amplifier has an input resistance of $$10\Omega ,$$ an output resistance of $$10\,\,k\Omega $$ and a Current g
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Feedback control systems are
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A linear time-invariant system initially at rest, when subjected to a unit-step input, gives a response $$y\left( t \rig
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A unity feedback system has open loop transfer function $$G(s).$$ The steady-state error is zero for
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A unity feedback system has open-loop transfer function $$G\left( s \right) = {{25} \over {s\left( {s + 6} \right)}}.$$
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A unity feedback system has open loop transfer function $$G\left( s \right) = {{K\left( {s + 5} \right)} \over {s\left(
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Open-loop transfer function of a unity - feedback system is $$$G\left( s \right) = {G_1}\left( s \right).{e^{ - s{\tau
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$$D\left( s \right) = {{\left( {0.5s + 1} \right)} \over {\left( {0.05s + 1} \right)}}$$ Maximum phase lead of the comp
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Consider the state equation $$\mathop X\limits^ \bullet \left( t \right) = Ax\left( t \right)$$ Given : $${e^{AT}} = \
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The minimal product-of-sums function described by the $$K$$-map given in Fig.
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A dual-slope analog-to-digital converter uses an $$N$$-bit counter. When the input signal $${V_a}$$ is being integrated,
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The counter shown in Fig. is initially in state $${Q_2} = 0,\,{Q_1} = 1,\,{Q_0} = 0.$$ With reference to the $$CLK$$ inp
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Which one of the following is not a vected interrupt?
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A voltage wafeform $$v\left( t \right) = 12\,{t^2}$$ is applied across a $$1$$ $$H$$ inductor for $$t \ge 0,$$ with ini
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The circuit shown Fig. is equivalent to a load of
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Predict the current $${\rm I}$$ in Fig. in response to a voltage of $$20\angle {0^0}\,V.$$ The impedance values are give
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The impedance seen by the source in the circuit in Fig. is given by
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If an $$ac$$ voltage wave is corrupted with an arbitrary number of harmonics, then the overall voltage waveform differs
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A two-port device is defined by the following pair of equations: $${i_1} = 2{v_1} + {v_2}$$ and $${i_2} = {v_1} + {v_2}
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The two wattmeter method is used to measure active power on a three phase, three wire system. If the phase voltage is un
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A $$3$$ - $$\phi $$ load operates with balanced voltages applied to its terminals, and draws balanced currents. The pote
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Instrument transformers are known to introduce magnitude and phase errors in measurements. These are primarily due to
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The compensating winding in a dc machine
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Ratio of the rotor reactance X to the rotor resistance R for a two-phase servomotor
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A 1.8° step, 4-phase stepper motor has a total of 40 teeth on 8 poles of stator. The number of rotor teeth for this moto
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A 240 V dc series motor takes 40A when giving its rated output at 1500 rpm. Its resistance is 0.3 ohms. The value of res
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A permanent magnet dc commutator motor has a no load speed of 6000 rpm when connected to a 120V dc supply. The armature
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In a constant voltage transformer (CVT), the output voltage remains constant due to
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If an ac voltage wave is corrupted with an arbitrary number of harmonics, then the overall voltage waveform differs from
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A 3-phase delta/star transformer is supplied at 6000 V on the delta-connected side. The terminal voltage on the secondar
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A three phase, wound rotor induction motor is to be operated with slip energy recovery in the constant torque mode, when
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The power input to a 415 V, 50 Hz, 6 pole, 3-phase induction motor running at 975 rpm is 40 kW. The stator losses are 1k
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A 3-phase, 4-pole squirrel cage induction motor has 36 stator and 28 rotor slots. The number of phases in the rotor is:
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The phase sequence of a three-phase alternator will reverse if
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A single-phase, 2000 V alternator has armature resistance and reactance of 0.8 ohms and 4.94 ohms respectively. The volt
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A $$2300$$ $$V,$$ $$3$$-phase synchronous motor driving a pump is provided with a line ammeter and a field rheostat. Whe
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Show via the construction of a suitable Gaussian surface, that the capacitance of a spherical capacitor consisting of t
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An electron with velocity $$'u'$$ is placed in an electric field, $$E$$ and magnetic field, $$B.$$ The force experienced
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A current $${\rm I}$$ in the short conducting element shown in Fig. produces a flux density $${B_1}$$ at point $$1.$$ D
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A thyristorised three phase fully controlled converter feeds a $$dc$$ load that draws a constant current. Then the input
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A step down chopper operates from a $$dc$$ voltage source $${V_s}$$ feeds a $$dc$$ motor armature with a back $$e.m.f$$
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A $$dc$$ motor with armature resistance $${R_a}$$ is fed from a step down chopper in the continuous mode, and operates a
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Triangular $$PWM$$ control, when applied to a $$BJT$$ based three phase voltage source inverter, introduces.
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A three phase voltage source inverter supplies a purely inductive three phase load. Upon Fourier analysis, the output vo
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A single phase voltage source of magnitude $${V_s}$$ and frequency $$\omega \,\,\left( {rad\,/\,\sec } \right)$$ is conn
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A transmission line has equal voltages at the two ends, maintained constant by two sources. A third source is to be prov
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The corona loss on a particular system at 50 Hz is 1 kW/km per phase. The corona loss at 60 Hz would be
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A $$275$$ $$kV,$$ $$3$$-phase, $$50$$ $$Hz,$$ $$400$$ $$km$$ lossless line has following parameters: $$x=0.05$$ $$ohms/k
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The incremental cost characteristic of two generators delivering $$200$$ $$MW$$ are as follows $$\,\,\,{{d{F_1}} \over
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A synchronous generator, having a reactance of 0.15 p.u., is connected to an infinite bus through two identical parallel
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The severity of line-to-ground and three phase faults at the terminals of an unloaded synchronous generator is to be sam
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For the configuration shown in figure, the breaker connecting a large system to bus $$2$$ is initially open. The system
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In an inverse definite minimum time, electromagnetic type over-current relay, the minimum time feature is achieved becau
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In a 3-step distance protection, the reach of the three zones of the relay at the beginning of the first line typically
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The plug setting of a negative sequence relay is $$0.2$$ $$A.$$ The current transformer ratio is $$5:1$$. The minimum va
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In a thermal power plant, the feed water coming to the economiser is heated using
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Out of the considerations (i) to (iv) listed below, (i) No distance limitation related to steady state stability (ii) No
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