GATE EE 1996
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## GATE EE

The depletion region (or) space charge region (or) transition region in a semiconductor $$p-n$$ junction diode has
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A non inverting op - amp amplifier is shown in figure. The o/p voltage is
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Let the magnitude of the gain in the inverting op - amp amplifier circuit shown be $$x$$ with switch $${S_1}$$ open. Whe
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In the transistor amplifier shown in figure, the ratio of small signal voltage gain when the emitter resistor is bypasse
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The unit - impulse response of a unity - feedback control system is given by $$c\left( t \right) = - t{e^{ - t}} + 2\,\ View Question Consider the unit step response of a unity feedback control system whose open loop transfer function is$$G\left( s \rig
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For a feedback control system of type $$2,$$ the steady state error for a ramp input is
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The unit impulse response of a system is given as $$c\left( t \right) = - 4{e^{ - t}} + 6{e^{ - 2t}}.\,\,\,$$ The step
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For the system shown in Figure, with a damping ratio $$\xi$$ of $$0.7$$ and an undamped natural frequency $${\omega _n} View Question The closed - loop transfer function of a control system is given by$${{C\left( s \right)} \over {R\left( s \right)}} =
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The Boolean expression for the output of the logic circuit shown in figure is
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In a $$8085$$ microprocessor, the following instructions may result in change of accumulator contents and change in sta
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The v - i characteristic as seen from the terminal pair (A,B) of the network of Fig.(1) is shown in Fig.(2). If an induc
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In the series $$RC$$ circuit shown in Fig. the voltage across $$C$$ starts increasing when the $$d.c.$$ source is switch
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In the circuit shown in Fig. $$X$$ $$-$$ is an element which always absorbs power. During a particular operation, it se
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A coil (which can be modeled as a series $$RL$$ circuit) has been designed for high $$-$$ $$Q$$ performance at a rated v
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An advantage of a permanent magnet moving coil instrument is that it is
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The scale of a voltmeter is uniform. Its type is
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For a given frequency, the deflecting torque of an induction ammeter is directly proportional to
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A water boiler at home is switched on to the $$A.C$$ mains supplying power at $$230$$ $$V/50$$ $$Hz.$$ The frequency of
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The moving coil in a dynamometer wattmeter is connected
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In an oscilloscope the input to the horizontal plates is a $$100Hz$$ voltage signal. The lissajous patterns $$(A), (B)$$
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The torque speed characteristic of a Repulsion motor resembles which of the following dc motor characteristic?
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Which type of motor is most suitable for computer printer device?
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Unbalanced supply voltage given to a $$3-$$ phase, data-connected induction motor will cause
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When the supply voltage to an induction motor is reduced by $$10\%$$, the maximum torque will decrease by approximately
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In case of a split phase motor, the phase shift between currents in the two windings is around
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An induction motor having full load torque of $$60$$ $$Nm$$ when delta-connected develops a starting torque of $$120$$ $View Question In an induction motor, if the air gap is increased View Question During hunting of synchronous motor View Question The per unit voltage of two synchronous machines connected through a lossless line are $$0.95\,\,\angle \,{10^0}\,\,$$ a View Question In Figure. The characteristic that corresponds to the variation of synchronous reactance of synchronous motor with field View Question A $$4$$ pole dynamo with wave wound armature has $$51$$ slots containing $$20$$ conductors in each slot. The induced $$e View Question The function of oil in a transformer is View Question Auto-transformer is used in transmission and distribution View Question Keeping in view the requirement of parallel operation, which of the$$3$$-phase connections given below are possible? View Question If v, w, q stand for voltage, energy and charge, then v can be expressed View Question The energy stored in the magnetic field of solenoid$$30cm$$long and$$3cm$$diameter wound with$$1000$$tur View Question Which semiconductor power device out of the following is not a current triggered device? View Question The Triac can be used only in View Question Which of the following does not cause permanent damage of an$$SCR?$$View Question In a$$3$$- phase controlled bridge rectifier, with an increase of overlap angle the output$$dc$$voltage View Question In a thyristor$$dc$$chopper which type of commutation results in best performance? View Question For a$$500$$Hz frequency excitation, a$$50$$km short power line will be modeled as View Question For equilateral spacing of conductors of an untransposed$$3$$-phase line, we have View Question During a disturbance on synchronous machine, the rotor swings from A to B before finally settling down to a steady stat View Question For an unbalanced fault, with paths for zero sequence currents, at the point of fault View Question Resistance switching is normally employed in View Question If the fault current is$$2000$$A, the relay setting is$$50$$% and CT ratio is$$400:5,$$the plug setting multiplier View Question The per unit voltages of two synchronous machines connected through a lossless line are$$0.95\,\angle {10^ \circ }$$an View Question Which material is used in controlling chain reaction in a nuclear reactor? View Question If the reference bus is changed in two load flow runs with same system data and power obtained for reference bus taken a View Question A periodic rectangular signal,$$x(t)$\$ has the waveform shown in Figure. Frequency of the fifth harmonic of its spectr
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