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

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

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

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

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

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

The function corresponding to the Bode plot of Figure, is

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

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

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

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

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

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

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

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

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

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

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

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

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

The current in the circuit shown in figure is

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

An electromagnetic field is radiated from

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

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

Resonant Converter's are basically used to

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

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

Corona losses are minimized when

The load carrying capability of a long AC transmission line is

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

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

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

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

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

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

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

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

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

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

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

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

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