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Electrical Engineering Questions and Answers February 02, 2018

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1 . for the following circuit, calculate: a ) Total real power, PT b ) Total reactive power, QT c ) Total apparent power, ST d ) Power Factor, Fp e ) Value of capacitor required to have a Fp = 1 E = 1 2 0 v , f = 6 0 Hz , R 1 = 6 0 ohms, R 2 = 4 0 ohms, L 1 = 3 0 ohms

VTK = 2 . 5 V K = 1 . 5 mA / V ^ 2
VTK = 2 . 5 V K = 1 . 5 mA / V ^ 2

When the drain and gate of a MOSFET are connected together, a twoterminal device known as a "diode - connected transistor" results. Fig. 4 shows such devices obtained from MOS transistors of both polarities. Show that ( a ) the i - v relationship is given by i = 1 2 k k ' W L ( v - | V t | ) 2 ( b ) the incremental resistance r for a device biased
When the drain and gate of a MOSFET are connected

In a L - R - C series circuit L = 0 . 4 4 0 H , R = 3 8 0 . 0 O , and C = 5 . 7 0 uF . The voltage amplitude of the source is 2 5 0 . 0 V

what is the minimum dc voltagre for which relay make contact when switch is closed. relactance at iron is negligible

A line to line fault occurred at bus no 2 of the power system strown in Figure . show the sequence network connections at the fault point.
A line to line fault occurred at bus no 2 of the

An analog waveform in the PAM portion of a PCM modulator is quantized into 8 levels.The peak - to - peak voltage of the analog signal is 5 volts. a ) Assuming that the quantized level is themidpoint value in each step, calculate the quantized voltage level for each of the levels. b ) Defining the quantization error as the difference between the

Find V 0 using Norton transformation in the following circuit:
Find V 0 using Norton transformation in the

QI ) Find the Boolean expression for the following logic circuit. ( 2 5 Points )
QI ) Find the Boolean expression for the

Give two reasons why the antenna gain is an important parameter in the design of communication systems. ( 2 marks ) b . A directional antenna has a gain of 8 dBi. If the power transmitted by an isotropic antenna is 1 0 mW , calculate the power transmitted by the directional antenna. ( 3 marks )

For a MIMO wireless communication channel, having 1 Transmitter antenna and 3 receiver antennas, let the channel matrix be = [ 0 . 1 + 2 , 3 0 . 2 , 2 3 ] . What will be the weighting of receiver antennas for MRC ? If the transmitted symbol is 3 2 , find the SNR and BER. Consider noise at the receiver is of AWGN type with variance 1 . b ) For a

Design a counter counting from 2 1 to 3 4 by using two 7 4 1 9 0 in Fig. 4 and some logic gates ( if necessary ) . ( 2 0 % ) Fig. 4
Design a counter counting from 2 1 to 3 4 by

3 phase 5 0 Hz 1 5 0 km line has a resistance, inductive reactance and capacitive shunt admittance of 0 . 1 , 0 . 5 , and 3 1 0 - 6 S / km per phase respectively. If the line delivers 5 0 MW at 1 1 0 kV and 0 . 8 pf lagging. Using Nominal T Modeling of transmission lines, Determine; i . Sending end voltage ii . Sending End Current. iii.

A load consisting of a 1 3 5 0 resistor in parallel with a 4 0 5 mHmH inductor is connected across the terminals of a sinusoidal voltage source vgvg , where vg = 6 9 cos 2 5 0 0 tVvg = 6 9 cos 2 5 0 0 tV .

Output impedence of cascade amplifier

An N - MOSFET and a P - MOSFET are fabricated with substrate doping concentration of 6 1 0 1 7 cm - 3 . The gate oxide thickness is 5 nm . ( a ) Find threshold voltage of the N - MOSFET when N + - poly - Si is used to fabricate the gate electrode. ( b ) Find threshold voltage of the P - MOSFET when N + - poly - Si is used to fabricate the gate

List three functions which a transformer may perform in an electrical circuit. [ 3 marks ] Tests are performed on a single phase, 1 0 kVA, 2 2 0 0 / 2 2 0 V , 6 0 Hz transformer and the following results are obtained:Open - Circuit Test ( Measured in the Secondary ) Short - Circuit Test ( Measured in the Primary ) Voltmeter Ammeter Wattmeter 2 2 0

A 2 0 - \ Omega resistor is connected between lines R and Y , a 5 0 - \ Omega resistor between lines Y and B and a 1 0 - \ Omega resistor between lines B and R of a 4 1 5 - V , 3 - phase supply. Calculate the current in each line and the reading on each of the two wattmeters connected to measure the total power, the respective current coils of
A 2 0 - \ Omega resistor is connected between

Draw and label the item below: - ( CLO 1 ) i ) Schematic symbol and structure for NPN transistor ii ) Complete circuit for Common - Emitter Configuration
Draw and label the item below: - ( CLO 1 ) i )

Draw the amplitude modulation km = 0 . 5 modulated waveform for the following two signals please. and if you draw the graph. it will be amazing. Please step by step
Draw the amplitude modulation km = 0 . 5

The AC circuit below is in steady - state, and you are not told the \ omega of the source. The phasor diagram shows the phasors of i _ ( S ) and i _ ( a ) . The rectangular boxes represent two circuit elements. One of them is an inductor L _ ( 1 ) i _ ( a ) or i _ ( b ) R _ ( 2 ) , a capacitor C _ ( 2 ) or an inductor L _ ( 2 ) . You are also told
The AC circuit below is in steady - state, and

I have this microcontrollers project. we have to do it using the proteus software and the pic 1 6 f 8 8 7 microcontroller. the code must be written on micro c . please do the project for me and send me a screenshot of the circuit and the code so I can implement it myself. I specifically need a picture of the circuit on proteus and the code. the
I have this microcontrollers project. we have to

Problem 3 ( 2 5 points ) - For the circuit shown, the voltage at one node is known to be 1 0 V as shown. a ) Find the voltage at node Vy . b ) Use resistor combinations to determine the equivalent resistance between the 1 0 V node and ground. c ) Find the source voltage, Vx . Show all work! Problem 4 ( 3 0 points ) - For the circuit shown, find
Problem 3 ( 2 5 points ) - For the circuit shown,

Q 6 . In the star three phase European system, find the power absorbed by the load? z 1 = z 2 = z 3 = 1 0 Cus = 0 . 8 5
Q 6 . In the star three phase European system,

Equipment grounding conductors that are not an integral part of an assembly and that are installed with feeders of more than 1 , 0 0 0 volts shall not be smaller than ? a . 6 AWG copper or 4 AWG aluminum b . the minimum sizes provided in Table 2 5 0 . 6 6 oc . the minimum sizes provided in Table 2 5 0 . 1 2 2 d . the sizes provided in Table 3 1 0
Equipment grounding conductors that are not an

4 . 9 - 2 Design ( the block diagram of ) an Armstrong indirect FM modulator to generate an FM carrier with a carrier frequency of 9 6 MHz and \ Delta f = 2 0 kHz . A narrowband FM generator with f _ ( c ) = 2 0 0 kHz and adjustable \ Delta f in the range of 9 to 1 0 Hz is available. The stockroom also has an oscillator with adjustable frequency
4 . 9 - 2 Design ( the block diagram of ) an

For a BJT amplifier where the collector is used as the output, it is usually a good idea to bias the collector voltage about halfway between the base bias voltage and the positive power supply in order to get a symmetric output voltage swing. Question 3 Select one: True False

in a three phase induction motor the speed of stair is xero

The lines of the magnetic flux density vector, B , due to a point charge Q moving with a velocity v in free space are

The product of ( 5 + 3 j ) ( 1 + 2 j ) ( 5 + 3 j ) ( 1 + 2 j ) in polar form is Question 1 7 Select one: a . 5 . 4 + 3 1 . 6 5 . 4 + 3 1 . 6 b . 5 . 4 1 4 8 . 4 5 . 4 1 4 8 . 4 c . 1 3 + 9 4 . 4 1 3 + 9 4 . 4 d . 1 3 8 5 . 6 1 3 8 5 . 6 e . 1 7 + 7 9 . 6 1 7 + 7 9 . 6 f . 1 7 1 0 0 . 4 1 7 1 0 0 . 4 g . none of the above

what is the energy consumption if 1 Mbit of information is transferred from the source to the sink where the source and sink are separated by 1 0 0 meters and the broadcast radius of each node is 5 meters ?

2 . The transistors shown in the figure below are biased in saturation. Transistor \ ( M _ { i } \ ) has its transconductance and output resistance as \ ( g _ { m i } \ ) and \ ( r _ { o i } \ ) respectively. Derive the small signal impedance seen into the output terminal. If you are splitting the circuit into different parts then show analysis of
2 . The transistors shown in the figure below are

a ) Distinguish between the following system models i ) Linear and Nonlinear ii ) Distributed and Lumped b ) Develop the differential equation governing ng the electrical circuit shown in figure Q 1 . Figure Q 1
a ) Distinguish between the following system

c ) An infinite line located at y = - 2 , z = - 2 carries current I = 1 0 m A in a x direction. The direction of H at P ( 2 , - 2 , 0 ) is: i . a x ii . - a x iii. a y iv . - a y v . a z vi . - a z vii. a x + a y 2 2 viii. - a x - a y 2 2 ix . a x + a y + a z 3 2 x . a x + a y - a z 3 2 d ) Plane x + y - z = 2 carries charge of density 2 0 n C m 2
c ) An infinite line located at y = - 2 , z = - 2

Total ( 5 0 p = 1 0 0 V A = V c c = 1 2 V The emitter voltage at Q - point is: ( 3 pts ) A ) 7 . 1 3 V B ) 6 . 6 V C ) 4 . 1 7 V D ) 3 . 2 1 V Which statement of the following is correct regarding the amplifier above A ) This amplifier has an advantage of very large input resistance; B ) This amplifier has an advantage of very large output
Total ( 5 0 p = 1 0 0 V A = V c c = 1 2 V The

2 . Identify the Mask and Logic operation for the following: a ) Given the 8 - bit value 1 1 0 0 1 0 1 0 , set bits 4 and 5 to 1 . What is the mask? What is the logic operation? b ) Given an 8 - bit value 1 1 0 0 1 0 1 0 , flip all 8 bits ( invert them ) What is the mask? What is the logic operation? c ) Given an 8 - bit value 1 1 0 0 1 0 1 0 ,
2 . Identify the Mask and Logic operation for the

Calculate the nominal currents and three - phase short - circuit levels at each breaker. Select the transformation ratios of the CTs: The transformation ratio of the CTs is determined by the larger of the following two values: I n o m maximum short - circuit current without saturation being present. To fulfil this condition and assuming that a C 1
Calculate the nominal currents and three - phase

Task 1 ( 2 5 pts ) A DC series motor takes a supply current of 1 0 A when its speed is 1 0 0 0 rpm . The field winding is now shunted by a divertor of half of the resistance as that of the field winding. It is expected that, after mounting the divertor, the new speed will become higher. The voltage drops due to the resistances of the windings and
Task 1 ( 2 5 pts ) A DC series motor takes a

( ii ) Complete the timing diagram for this Mealy FSM , given below starting from initial state 1 1 . Is this FSM working as expected? Identify if there is a problem with the output and propose a way to solve this problem. [ 1 5 pts ] ( i ) Consider the sequential circuit above made up of 2 type \ ( D \ ) flip - flops with input \ ( X \ ) and
( ii ) Complete the timing diagram for this Mealy

What is the slope of the magnitude response of the transfer function as w infinity

4 . ( a ) A separately excited DC motor with motor constant of \ ( 0 . 2 \ mathrm { ~V } / \ mathrm { rpm } \ ) and resistance of \ ( 0 . 5 \ Omega \ ) is operated by a single - phase full - bridge converter with single - phase squarewave voltage supply. When the motor is operated at firing angle \ ( \ alpha = 0 ^ { \ circ } \ ) , its speed is 1 2
4 . ( a ) A separately excited DC motor with

Question 2 ( 1 0 marks ) Use Source Transformation to find \ ( \ mathbf { I } _ { \ mathbf { x } } \ ) in the circuit. .
Question 2 ( 1 0 marks ) Use Source

Question 2 2 ) Whilst carrying out inspection and testing someone has received an electric shock. Which of the following is not an implication that will affect you as the responsible person? a ) Possible imprisonment b ) Possible fine c ) Possible barring from working in that industry d ) Nothing, as you are responsible for your own safety not

Problem 8 . 3 i ) Consider a class of systems with transfer function H ( s ) = s + a s 2 + as + 1 , where a in [ 0 , ) . Use RL techniques to draw the open loop poles of H ( s ) as function of the parameter a . ii ) Repeat for H ( s ) = as + 1 as 2 + s + 1 , where a in [ 0 , ) . ( You ll have to do some creative thinking!

A 3 - , 5 0 - Hz induction motor with its rotor star - connected gives 5 0 0 V ( r . m . s . ) at standstill between slip - rings on open circuit. Calculate the current and power factor in each phase of the rotor windings at standstill when joined to a star - connected circuit, each limb of which has a resistance of 1 0 and an inductance of 0 . 0

1 . What is a Clock ( CLK ) signal used for?

PART 2 II . 1 . The construction of a 1 - bit Full Adder at the transistor level using CMOS is illustrated in the Figure 8 . Any n - bit Carry Propagation Adder ( CPA ) can be obtained by chaining n 1 - bit Full Adders. 1 . What is the bottleneck of a 1 2 - bit CPA in \ ( \ tau \ ) units and calculate its area in termes of pMOS and nMOS
PART 2 II . 1 . The construction of a 1 - bit

4 . Determine the Thevenin and Norton equivalents at terminals \ ( a - b \ ) of Circuit 4 Circuit 4
4 . Determine the Thevenin and Norton equivalents

( 4 5 points ) Plot the Root Locus for the following loop gain function; include only initial pole / zero locations, loci on the real axis, asymptotes and their intersection location: G ( s ) H ( s ) = s + 1 5 ( s + 8 ) ( s + 6 ) ( s + 6 + 1 0 j ) ( s + 6 - 1 0 j ) = s + 1 5 s 4 + 2 6 s 3 + 3 5 2 s 2 + 2 4 8 0 s + 6 5 2 8
( 4 5 points ) Plot the Root Locus for the

6 . 1 - 4 A signal \ ( g ( t ) = \ operatorname { sinc } ^ { 2 } ( 5 \ pi t ) \ ) is sampled ( using uniformly spaced impulses ) at a rate of ( i ) 5 Hz ; ( ii ) 1 0 Hz ; ( iii ) 2 0 Hz . For each of the three cases: ( a ) Sketch the sampled signal. ( b ) Sketch the spectrum of the sampled signal. ( c ) Explain whether you can recover the signal \
6 . 1 - 4 A signal \ ( g ( t ) = \ operatorname {

Please do not use ChatGPT. I want a detailed and explanatory solution with codes for Math Lab, the value of ( k 2 ) please, and read the questions carefully. Automatic control of helicopters is necessary because, unlike fixed - wing aircraft which possess a fair degree of inherent stability, the helicopter is quite unstable. A helicopter control
Please do not use ChatGPT. I want a detailed and

explain the direction of stator field and armature according to the given figures DIRECTION OF STATOR FIELD DUE ARAMTURE REACTION The angle between B R and Bnet is known as the internal angle or torque angle of machine
explain the direction of stator field and

Are branch circuit panelboards allowed to be installed in bathrooms in commercial occupancies?

Q 1 ) The circuit parameters for the two - transistor current source ( also known as current mirror ) shown in the figure are as follows: V + = 3 V V = - 3 V R 1 = 4 7 k = 1 2 0 V B E ( O N ) = 0 . 7 V V A = Determine I R E F , I O and I B 1 Can you please solve on paper it's urgent. I will thump up
Q 1 ) The circuit parameters for the two -

The potential difference across a circuit is given by the complex expression V = 3 9 + j 3 2 volts and the current is given by I = 6 + j 7 amps Give all answers to 2 decimal places unless specified. a ) What are the amplitudes of each property? V = volts I = amps Submit part b ) Find the phase difference ( ) between the phasors for voltage V and
The potential difference across a circuit is

Use the following circuit to answer questions 1 6 through 2 2 . Assume that the Cc ^ ( ' ) = 2 . 1 pF and C _ ( e ) ^ ( ' ) = 2 3 . 4 pF and C _ ( stray ) = 1 0 pF . Please make sure to add the appropriate unit. Please show all your works in the white space. 1 6 . What is the low - cutoff frequency for input - coupling capacitor? 1 7 . What is the

DetermDetermine the minimum cubic inch capacity required for a 4 inch square outlet box which contains three 1 2 AWG and 8 AWG THW Cu conductors. No internal clamps are provided in the outlet box. Which table is used in the 2 0 2 3 NEC code book to get the answer?

Which choice accurately identifies either an advantage or a disadvantage of an amplitude modulation ( AM ) or frequency modulation ( FM ) ? frequency modulation: more affected by physical barriers, such as buildings frequency modulation: cheaper amplitude modulation: less prone to interference amplitude modulation: cannot be transmitted as far

code class = "asciimath" > What happens on the Atomic Force Microscopy Nanosurf brand when you increase the I - gain parameter? What is the I - gain and P - gain parameter?

Q 3 : Two resistors are to be combined to form an equivalent resistance of 1 , 0 0 0 . The resistors are taken from available stock on hand as acquired over the years. Readily available are two common resistors rated at 5 0 0 + - 5 0 and two common resistors rated at 2 , 0 0 0 + - 5 % . What combination of resistors ( series or parallel ) would
Q 3 : Two resistors are to be combined to form an

Explain the various types of tap changers that can be found in a Transformer.

Apply the Juzy's stability coniterian to determine Tle stability of the systam described by charcatrerstic poly nomided ( z ) = 2 z 4 + 7 z 3 + 1 0 z 2 + 4 z + 1
Apply the Juzy's stability coniterian to

A 2 3 - kVA, 2 3 0 0 / 2 3 0 - V , 6 0 - Hz , single - phase transformer with Z 1 = 4 + j 1 2 & Z 2 = 0 . 0 4 + j 0 . 1 2 . The transformer is operating at 7 5 % of its rated load and uses 2 3 0 - V terminal voltage. Determine the efficiency of the transformer if the load is operated at 0 . 8 8 6 lagging.
A 2 3 - kVA, 2 3 0 0 / 2 3 0 - V , 6 0 - Hz ,

The positive, negative and zero sequence reactances of a Y - connected synchronous generator are 0 . 2 p . u . , 0 . 2 p . u . and 0 . 1 p . u . respectively. The generator is on open circuit with a terminal voltage of 1 p . u . Find the minimum value of inductive reactance, in p . u . , required to be connected between neutral and ground so that
The positive, negative and zero sequence

Given the circuit solve for the voltage of the 3 otims using Thevenin's Theorem. Please give me the correct answer.
Given the circuit solve for the voltage of the 3

a ) Assume we must convert a digital audio tape ( DAT ) signal whose sample rate is f 5 , D A T = 4 8 k H z , to a compact disc ( CD ) audio signal, whose sample rate is f 5 , C D = 4 4 . 1 k H z . If we interpolate that CD signal by a factor of L = 5 8 8 , by what factor M must we decimate the interpolated signal to obtain a final sample rate of
a ) Assume we must convert a digital audio tape (

When used correctly, how are ammeters connected to the rest of the circuit and what do they measure? Multiple Choice connected in series and measure current connected in parallel and measure current connected in series and measure voltage connected in parallel and measure voltage
When used correctly, how are ammeters connected

( 3 ) ( 3 0 pts ) Use two different methods: superposition method and mesh method to find Io as the circuit shown below:
( 3 ) ( 3 0 pts ) Use two different methods:

K 9 Outline the different types of cabling and their application ( such as multicore cables, single core cables, solid and multi - stranded cables, steel wire armoured ( SWA ) , mineral insulated ( MI ) , screened cables, data / communications cables, fibre - optics )

i need to design various filters using opamps with these specs: 2 0 Hz - 6 0 Hz Sub - bass * Butterworth ( 3 rd order ) * 6 0 Hz - 2 0 0 Hz Bass * Bessel ( 1 st order ) 2 0 0 Hz - 6 0 0 Hz Lower mids * linear phase. ( 1 st irder ) 6 0 0 Hz - 3 kHz Mids * gaussian transmission ( 1 st order ) 3 kHz - 2 0 kHz High * Chebyshev * * ( 2 nd order )

a ) Draw ALL the necessary connections that will allow for a parallel load of data, a shift right of data, a shift left of data, and a parallel output of data depending on the control lines. If any input or outputs require more than one bit you need to indicate how many bits it is . For connections made make sure you use an ARROW to indicate
a ) Draw ALL the necessary connections that will

Question 2 - ) Find Rl that will draw the maximum power, and calculate the maximum power in the following circuit.. Use also spice program to show these values. ( In spice, change the resistor RL between 1 ohm and 5 0 ohm and find the resistor value that gives maximum power. Show all screenshots of spice circuit and results. To change the resistor
Question 2 - ) Find Rl that will draw the maximum

Soluciones de circuitos: Problema 8 . 1 . 1 8 . 1 . 2 Determinar la relaci n de fase relativa de las dos ondas. v 1 ( t ) = 1 0 c o s ( 3 7 7 t - 3 0 ) V v 2 ( t ) = 1 0 c o s ( 3 7 7 t + 9 0 ) V
Soluciones de circuitos: Problema 8 . 1 . 1 8 . 1

Calculate the followings - i ) The value of " X " ? ii ) TSM iii ) the breaking capacity of the circuit breaker iv ) the making capacity of the circuit breaker v ) peak re - striking voltage across the contacts of the breaker vi ) frequency of oscillations vii ) the average rate of rise of re - striking voltage upto the first peak viii ) the short
Calculate the followings - i ) The value of " X "

1 0 . 0 1 Given the power system shown find the following. Assume the load is a constant impedance. Enter matricies as [ [ y 1 1 , y 1 2 ] , [ y 2 1 , y 2 2 ] ] answer in a python script
1 0 . 0 1 Given the power system shown find the

6 2 4 2 WW 1 0 A 2 1 ,
6 2 4 2 WW 1 0 A 2 1 ,

What are transponders?
What are transponders?

Find Vo in both frequency domain and time domain.
Find Vo in both frequency domain and time domain.

Every CLX I / O module used in a control system must be owned by at least one controller listened to by at least one controller in the same chassis as the controller the same type of module
Every CLX I / O module used in a control system

Find the Fourier transform of f ( t ) = s i n 2 ( t - 1 ) ( t - 1 ) , and plot the Amplitude spectrum and phase spectrum.
Find the Fourier transform of f ( t ) = s i n 2 (

The Forward converter is a transformer - isolated version of the Buck - Boost converter. True False
The Forward converter is a transformer - isolated

3 7 - ekil 4 ' te , verilen sistem i in K k Yer e risini iziniz . Ayr lma / birle me noktalar n , asimptot a lar n , asimptotlar n kesi im noktalar n bulunuz. K k - Yer e risinin sanal ekseni kesti i noktalar belirleyiniz. Kararl l k i in K kazanc n n de erini belirleyiniz. In Fig. 4 is shown feedback control system with the following transfer
3 7 - ekil 4 ' te , verilen sistem i in K k Yer e

Q 2 . Compare the DSB - SC and SSB - SC , & hence calculate total power in following forms of AM: DSB - SC & SSB - SC , where 4 0 0 W carriers signal is modulated to depth of 7 5 % . Q 3 . Using the message signal m ( t ) = 1 1 + t 2 determine and sketch the modulated waves for the following methods of modulation: ( a ) Amplitude modulation with 5
Q 2 . Compare the DSB - SC and SSB - SC , & hence

please solve a - i and show the sketches The energy band diagram for an ideal x 0 = 0 . 2 u m MOS - C operated at T = 3 0 0 K is sketched in Figure 1 . Note that the applied gate voltage causes band bending in the semiconductor such that E F = E i at the S i - S i O 2 2 interface. a ) Sketch the electrostatic potential ( ) inside the semiconductor
please solve a - i and show the sketches The

The formula for the combined field strength of a SOP array is shown. This is an example of equivalent antenna analysis because E t ? ? t = 2 Isin a s i n ? ? 1 + 9 0 the formula includes the equation for calculating phasor rotation. the formula can only be used for a SOP array. in the formula, the magnitude of the current is multiplied by 2 . the
The formula for the combined field strength of a

2 . ( 2 ) Say you re given an A / D converter that is 1 6 - bit and has an input range of - 1 0 to 1 0 V . How many bins or levels of A / D output are available?

Question 2 4 pts Which statehents in the following correctly describe the function of the coupling capacitors C 1 and C 2 and the bypass capacitor Ce in the following circuit? ( Please choose all the corrected answers. ) A: The coupling capacitors are used to decouple A C and D C signals so as not to disturb the quiescent point of the circuit when

A voltage amplifier has the following specifications: A v o = 1 0 0 V V , R i n = 1 1 0 k , R o u t = 5 0 . It is driven by a 1 0 mV source with a 1 0 k internal impedance and drives a 7 5 load. Determine the load voltage. 3 5 2 mV 3 7 3 mV 5 2 8 mV 1 , 0 0 0 mV
A voltage amplifier has the following

If an ideal transformer with 1 2 0 V across the primary and draws a current of 2 0 0 mA and the transformer s secondary is 3 0 V , what is the secondary current? What is the turns ratio?

Consider the following diode circuit: a ) Determine the edge - of - conduction ( EOC ) input voltage that corresponds to zero current flowing through the circuit b ) Given the input square waveform shown below, determine the output voltage v o when v i v i ( E O C ) c ) Repeat part ( b ) for v i v i ( EOC ) d ) Draw v 0 as a function of time
Consider the following diode circuit: a )

DC Analysis of a MOSFET Amplifier on NI ELVIS Consider the Common - Source Amplifier given below. The circuit parameters are V D D = 1 2 V , R D = 3 . 9 K , R 1 = 1 0 0 K , R 2 = 1 K . Vth for HEF 4 0 0 7 is given as 1 . 5 4 a ) Now set V s = 0 V and set up the DC equivalent circuit using one of the NMOS transistors in HEF 4 0 0 7 integrated
DC Analysis of a MOSFET Amplifier on NI ELVIS

In an integrated circuit, the current density in a 3 . 0 - mm - thick 7 5 - mm - wide gold film is 7 . 9 1 0 5 A / m 2 A / m 2 .

Power switches are divided into groups. A . 2 B . 4 C . 5 D . 7

1 - Assume the JFET shown in Fig. below is Si and has p + regions doped with 1 0 1 8 acceptors ? c m 3 and a channel with 1 0 1 6 donors ? c m 3 . If the channel half width a is 1 m , compare V P with V 0 . What voltage V G D is required to cause pinch - off when V 0 is included? With V G = - 3 V , at what value of V D does the current saturate? 2
1 - Assume the JFET shown in Fig. below is Si and

How does BJT function as a switch?

When an input is fed to the noninverting ( + ) input of an op - amp, the output will be Question 8 options: A ) in the same phase as the feedback. B ) 1 8 0 out of phase with the input. C ) 1 8 0 out of phase with the feedback. D ) in the same phase as the input.

4 . Find equivalent resistance across \ ( a \ ) and \ ( b \ ) of following circuit:
4 . Find equivalent resistance across \ ( a \ )

Which system is in control when one is relaxed?

Question 3 ( a ) A three - phase 5 0 - H z two - pole star - connected cage induction motor is supplied with a line rms voltage of 3 8 0 V . The rated slip is 5 % . The equivalent per - phase parameters of the induction motor are listed below: \ table [ [ Stator winding resistance R 1 , 0 . 5
Question 3 ( a ) A three - phase 5 0 - H z two -

Determine the transfer function of the circuit given below?
Determine the transfer function of the circuit

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