GATE EE 1992
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## GATE EE

In the following circuit the $$5$$ $$V$$ zener diode requires a minimum current of $$10$$ $$mA.$$ For obtaining a regula
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In the circuit shown in figure calculate and sketch the wave form of current $$'i'$$ over one period of the i/p voltages
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An ideal op-amp is used to make an inverting amplifier. The two input terminals of the op-amp are at the same potential
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The Circuit shown in figure is excited by the input wave form shown. Sketch the wave form of the output. Assume all the
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In the following circuit the output $$'V'$$ follows an equation of the form $${{{d^2}V} \over {d{t^2}}} + a.{{dV} \over View Question$$(a)$$For the circuit shown in figure$$(i)$$Calculate the transfer function$${{{V_0}} \over {{V_i}}}(ii)$$View Question In a common Emitter amplifier, the un bypassed emitter resistance provides View Question The voltage series feedback in a feedback amplifier leads to View Question In an$$RC$$- coupled common Emitter amplifier which of the following is true? View Question For the$$JFET$$amplifier shown in figure$$\mu = 100,\,{r_d} = 50k\Omega (i)$$Draw the$$AC$$equivalent circu View Question The overall transfer function of the system in Figure, is View Question For what values of$$'a'$$does the system shown in figure have a zero steady state error$$\left[ {i.e.,\mathop {Lim}\l
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For what range of $$K$$ is the following system (Figure) asymptotically stable Assume $$K \ge 0$$
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Which of the following figure(s) represent valid root loci in the $$s$$ - plane for positive $$K?$$ Assume that the syst
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A unity feedback system has the open loop transfer function $$G\left( s \right) = {1 \over {\left( {s - 1} \right)\left( View Question If the$$HLT$$instruction of a$$8085$$microprocessor is executed, View Question All the resistances in the circuit of Fig. are of 1$$\Omega$$each. The value of current 'I' is View Question Resistances in the circuit of fig. are of R$$\Omega$$each. The switch is initially open. What happens to the lamp's in View Question The equivalent inductance seen at terminals$$A-B$$in Fig. is ....................$$H.$$View Question In the circuit of Fig, the switch$$'S'$$is closed at$$t=0$$with$${i_L}\left( 0 \right) = 0$$and$${V_C}\left( 0 \
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The time constant of the network shown in Fig. is
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Using Thevenin equivalent circuit, determine the $$rms$$ value of the voltage across the $$100$$ $$ohm$$ resistor after
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A resistance is measured by the voltmeter- ammeter method employing d.c. excitation and a voltmeter of very high resista
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An unshielded moving iron voltmeter is used to measure the voltage in an a.c. circuit. If a stray d.c. magnetic field ha
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In $$d.c.$$ potentiometer measurements, a second reading is often taken after reversing the polarities of the $$s.c.$$ s
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In a dual slope integrating type digital voltmeter the first integration is carried out for $$10$$ periods of the supply
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The torque angle of a synchronous machine operating from a constant voltage bus, is usually defined as the space angle b
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The developed electromagnetic force and or torque in electro $$-mechanical energy conversion systems act in a directi View Question Figure depicts the load characteristics of an constant speed. Match the following sets of operating conditions with the View Question Neglecting all losses, the developed torque$$(T)$$of$$d.c.$$separately excited motor, operating under constant termi View Question A separately excited$$d.c.$$motor has an armature resistance of$$0.5ohm.$$It runs off a$$250Vd.c.$$View Question Two transformers of the same type, using the same grade of iron and conductor materials, are designed to work at the sam View Question Two transformers of different$$kVA$$ratings workings in parallel share the load in proportion to their ratings when th View Question Which of the following equations represents the Gauss's law in a homogeneous isotropic medium? View Question An electrostatic potential is given by$$\phi=2x\sqrt y$$volt in the rectangular co-ordinate system. The magnitude of t View Question In the circuit shown in fig,$$L$$is large and the average value of$$'i'$$is$$100A.$$The thyristor is gated in the View Question The selection of size of conductors for a distributor in a distribution system is governed by View Question The inductance of a power transmission line increases with View Question A Buchholz relay is used for View Question In load flow studies of a power system, the quantities specified at a voltage-controlled bus are ____________and________ View Question The impulse response of a network is$$h\left( t \right) = 1$$for$$0 \le t &lt; 1$$and zero otherwise. Sketch the im View Question Match the following transfer functions and impulse responses Transfer functions$$\eqalign{ &amp; \left( a \right)\,\,
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