GATE EE 1999

## GATE EE

As temperature is increased, the voltage across a diode carrying a constant current.

View Question The colour code of a $$1k\Omega $$ resistance is

View Question The mobility of an electron in a conductor expressed in terms of

View Question The enhancement type n-channel MOSFET is represented by the symbol

View Question The input voltage $${V_i}$$ in the circuit is a $$1$$ $$kHz$$ sine wave of $$1$$ $$V$$ amplitude. Assume ideal operation

View Question For the small signal $$BJT$$ amplifier shown in given figure. Determine at $$1$$ $$kHz$$ the following
$$(a)$$ $$\,\,

View Question The function corresponding to the Bode plot of Figure, is

View Question For a flip-flop formed from two $$NAND$$ gates as shown in figure. The unusable state corresponds to

View Question The logic function $$f = \overline {\left( {x.\overline y } \right) + \left( {\overline x .y} \right)} $$ is the same as

View Question The logic function $$F = AC + ABD + ACD$$ is to be realized using an $$8$$ to $$1$$ multiplexer shown in figure, using $

View Question For a dual $$ADC$$ type $$3\,{\raise0.5ex\hbox{$\scriptstyle 1$}
\kern-0.1em/\kern-0.15em
\lower0.25ex\hbox{$\scriptstyl

View Question For the circuit shown in Figure, the capacitance measured between terminals $$B$$ and $$Y$$ will be

View Question When a periodic triangular voltage peak amplitude $$1$$ $$V$$ and frequency $$0.5$$ $$Hz$$ is applied to a parallel comb

View Question When a resistor $$R$$ is connected to a current source, it consumes a power of $$18$$ $$W.$$ when the same $$R$$ is conn

View Question Currents $${{\rm I}_1},\,{{\rm I}_2}$$ and $${{\rm I}_3}$$ meet at a junction (node) in a circuit. All currents are mark

View Question Solve the circuit shown in Fig. using the mesh method of analysis and determine the mesh currents $${{\rm I}_1},\,{{\rm

View Question A rectangular voltage pulse of magnitude $$V$$ and duration $$T$$ is applied to a series combination of resistance $$R$$

View Question In the given circuit, the capacitor is initially charged to $$12$$ $$V. $$ Find the mathematical expression for the volt

View Question The $$RMS$$ value of half $$-$$ wave rectified symmetrical square wave current of $$2A$$ is

View Question A series $$R-L-C$$ circuit when excited by a $$10$$ $$V$$ sinusoidal voltage source of variable frequency, exhibits reso

View Question The current in the circuit shown in figure is

View Question A fixed capacitor of reactance –$$j0.02$$ $$\Omega $$ is connected in parallel across a series combination of a fixed in

View Question The voltage phasor of a circuit is $$10\angle {15^0}\,V$$ and the current phasor is $$2\,\,\angle - {45^0}A.$$ The acti

View Question Two $$100$$ $$\mu A$$ full scale $$PMMC$$ meters are employed to construct a $$10$$ $$V$$ and a $$100$$ $$V$$ full scale

View Question A current of $$\left[ {2 + \sqrt 2 \sin \left( {314t + 30} \right) + 2\sqrt 2 \cos \left( {952t + 45} \right)} \right]$$

View Question For the given circuit the internal resistance of the ammeters as well as that of the current coil of the wattmeter are z

View Question Electro dynamic type watt meters have large errors while measuring power in a.c circuits at low power factor conditions,

View Question The voltage phasor of a circuit is $$10\angle {15^ \circ }V$$ and the current phasor is $$2\angle - {45^ \circ }A.$$ Th

View Question For a dual $$ADC$$ type $$3\,\,{1 \over 2}$$ digit $$DVM$$, the reference voltage is $$100mV$$ and the first integration

View Question A 4-pole lap-wound DC generator has a developed power of P watts and voltage
of E volts. Two adjacent brushes of the mac

View Question A DC shunt motor is running at 1200 rmp, when excited with 220 V DC.
Neglecting the losses and saturation, the speed of

View Question A 10 kVA, 400 V/200 V, single phase transformer with a percentage resistance
of 3% and percentage reactance of 6% is sup

View Question A 400V/100V, 10 kVA two-winding transformer is reconnected as an autotransformer
across a suitable voltage source. The m

View Question The percentage resistance and percentage reactance of a 10 kVA, 400 V/200 V,
3-phase transformer are 2% and 10% respecti

View Question A 10 kVA, 400 V/200 V single-phase transformers with 10% impedance draws a
steady short circuit line current of

View Question The windings of a Q kVA, $$\frac{V_1}{V_2}$$
Volt, three-phase, Delta connected, core type
transformer are reconnected t

View Question Starting torque can be obtained in the case of a single phase induction motor
with identical main and auxiliary windings

View Question The following starting method for an induction motor is inferior view of the poor
starting torque per ampere of the line

View Question Higher synchronous reactance is preferred in the present day alternators,
because one can have

View Question A three phase alternator is wound with a 60 degree phase-spread armature
windings and develops 300 kVA. If the armature

View Question A separately excited $$DC$$ shunt motor is driving a fan load whose torque is proportional to the square of the speed. W

View Question Two single phase transformers $$A$$ and $$B$$ have the following parameters.
Transformer $$A$$: $$400V/200V,$$ $$10$$ $

View Question An electromagnetic field is radiated from

View Question A charge $$+Q$$ is uniformly distributed throughout the volume of a dielectric sphere of radius $$R$$ and dielectric con

View Question Two parallel wires separated by a distance $$'d'$$ are carrying a current $$'{\rm I}'$$ in the same direction. The magn

View Question If $$A = \left[ {\matrix{
1 & { - 2} & { - 1} \cr
2 & 3 & 1 \cr
0 & 5 & { - 2} \cr

View Question Find the eigen values and eigen vectors of the matrix $$\left[ {\matrix{
3 & { - 1} \cr
{ - 1} & 3 \cr

View Question Resonant Converter's are basically used to

View Question A three phase diode bridge is used to provide rectified output from a $$400V,$$ $$50$$ $$Hz,$$ $$3$$- phase supply to a

View Question A $$PWM$$ switching scheme is used with a three phase inverter to

View Question Corona losses are minimized when

View Question An overhead line having a surge impedance of $$400$$$$\Omega $$ is connected in series with an underground cable having

View Question The load carrying capability of a long AC transmission line is

View Question For a single phase overhead line having solid copper conductors of diameter $$1$$ cm, spaced $$60$$ cm between centers,

View Question A 3-phase, 11 kV, 50 Hz, 200 kW load has a power factor of 0.8 lag. A delta connected 3-phase capacitor is used to impro

View Question A single phase AC distributor supplies two single phase loads as shown in figure. The voltage drop from A to C is

View Question $$A$$ $$220$$ kV, $$20$$ km long, $$3$$-phase transmission line has the following $$A, B, C, D$$ constants. $$A=D=0.96$$

View Question A 66 kV, 3-phase, 50 Hz, 150 km long overhead transmission line is open circuited at the receiving end. Each conductor h

View Question A 6.6 kV, 50 Hz single core lead sheathed cable has the following data:
Conductor diameter: 1.5 cm, length: 4 km. Intern

View Question An industrial consumer has a daily load pattern of $$2000$$ $$kW$$, $$0.8$$ lag for $$12$$ Hrs. and $$1000$$ $$kW$$ $$UP

View Question Steady state stability of a power system is the ability of the power system to

View Question Determine the magnitudes of the symmetrical components ($${{{\rm I}_{R1}},\,{{\rm I}_{R2}}\,}$$ and $${{{\rm I}_{R0}}}$$

View Question Determine the required MVA rating of the circuit breaker CB for the system shown in given figure. Consider the grid as i

View Question Three sections of a feeder are provided with circuit breakers CB1, CB2, CB3, CB4, CB5 and CB6. For a fault F as indicate

View Question A rectangular current pulse of duration T and magnitude 1 has the Laplace transform

View Question