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Electrical Engineering Questions and Answers February 02, 2018

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A Case Study You are an engineer charged with performing safety testing and obtaining appropriate regulatory agency or outside testing laboratory approvals of your company's product. The Gee Whiz Mark 2 ( GWM 2 ) has been tested and found compliant with both voluntary and mandatory safety standards in North America and Europe. Because of a

write a C program code assuming pic 1 8 F will convert an analog signal 0 to 5 V DC connected to AN 9 into a 1 0 but number using the pic 1 8 F ADC, divide this 1 0 bit number by four and store in the eight bit result in ADRESL. Discard the remainder. Use one millihertz internal clock.

1 1 - Illustrate the coherent QPSK receiver block diagram, and give short description of the task of each block and show the output of the integrator in case of transmitting the binary bits: 1 0 0 0 1 1 0 1 .
1 1 - Illustrate the coherent QPSK receiver block

Transformer Coupled class A is operating with V C C = 1 0 V , R L = 8 , and transformer turn ration n = 3 icasurements at V C E gives V C E m i n = 1 . 7 V and V C E m a x = 1 8 . 3 V , and measurements at l c gives l m i n = 2 5 mA and I C m a x = 2 5 5 m A . a ) V o ( p p ) and V L ( p p ) b ) IcQ. c ) Pac and Pdc . d ) Efficiency . Maximum
Transformer Coupled class A is operating with V C

Unless otherwise indicated, all devices are double - gate silicon at T = 3 0 0 k . 1 0 . 1 An N - channel silicon JFET has a gate doping of 5 1 0 1 8 c m - 3 , a channel doping of 1 0 1 7 c m - 3 , and width a = 0 . 2 m . Determine: a ) the pinchoff voltage. b ) the gate bias required to make the width of the undepleted channel equal to 0 . 1 5 m
Unless otherwise indicated, all devices are

5 . 1 . A 6 9 - k V , three - phase short transmission line is 1 6 km long. The line has a per phase series impedance of 0 . 1 2 5 + j 0 . 4 3 7 5 per km . Determine the sending end voltage, voltage regulation, the sending end power, and the transmission efficiency when the line delivers ( a ) 7 0 MVA, 0 . 8 lagging power factor at 6 4 kV . ( b )
5 . 1 . A 6 9 - k V , three - phase short

What are the op amp analysis idealizations?

For a wye start delta run connected motor the ampacity branch circuit conductors on the line side of the controller shall not be less than 1 2 5 % of the motor full load current as determined by 4 3 0 . 6 ( A ) ( 1 ) . The ampactity of the conductors between the controller and the motor shall not be less than what of the motor full load current

Find anCengineering problem that can be solved by using 2 different numerical topics e . g . bisection + linear regression ( but not bisection + newton Raphson ) . ) Calculate and solve the problem using MATLAB, C + + or any software In addition, perform manual calculations ( handwritten solution is sufficient ) to verify your answer.
Find anCengineering problem that can be solved by

f = D b a r ( C ) ( B + A ) + D B C D - B D Could you please help me draw the expression using the right gates please
f = D b a r ( C ) ( B + A ) + D B C D - B D Could

in a series - parellel circuit if e = 5 0 V 2 0 and i = 2 5 A 2 0 , then the total impedance ZT is purely resistive

Calculations: Section 1 1 . 2 and 1 1 . 3 in the book will help you with the calculations. a . Assume a Y - connected 3 phase balanced ac source with RBY sequence with \ ( \ mathrm { V } _ { \ mathrm { rms } } = 1 8 \ mathrm { ~V } \ ) . Tabulate the magnitude and phase angle of the individual phase and line voltages of the source in the Table 1 .
Calculations: Section 1 1 . 2 and 1 1 . 3 in the

Frequency control of a wound - rotor motor relies on the capacitive reactance changing as rotor frequency changes. True False

5 . ( 1 0 points ) Sketch \ ( i ( t ) \ ) to scale ( a ) Before and after the switch is closed, assuming the circuit was in steady - state with switch open at time \ ( 0 ^ { - } \ ) ( b ) Repeat for a switch that is initial closed and opens at time \ ( t = 0 \ )
5 . ( 1 0 points ) Sketch \ ( i ( t ) \ ) to

Q . 1 1 . 4 7 a ) Calculate the complex power associated with each phase of the balanced load in Problem 1 1 . 1 9 . b ) If the two - wattmeter method is used to measure the average power delivered to the load, specify the reading of each meter z = 1 0 0 - j 7 5
Q . 1 1 . 4 7 a ) Calculate the complex power

A current source in a linear circuit has i S = 1 0 c o s ( A t + 2 5 ) A . NOTE: This is a multi - part question. Once an answer is submitted, you will be unable to return to this part. Problem 0 9 . 0 0 2 . a - Amplitude of a sinusoid
A current source in a linear circuit has i S = 1

I have a project on 4 - Bit Binary Counter with Reset. How can I do this? What would the circuit diagram be like?

In the circuit shown below, if V _ ( s ) = ( ( 6 0 ) / ( _ ( 1 7 0 ) ) \ deg ) V , find the values of ( a ) I _ ( 1 ) ( b ) I _ ( 2 ) ( a ) I _ ( 1 ) = ( 1 ) ^ ( o ) A ( b ) I _ ( 2 ) =
In the circuit shown below, if V _ ( s ) = ( ( 6

Consider how the energy flows around different components of a circuit at resonance. General Role of Circuit Components: In general, where is energy input into the circuit? Where is energy taken out of the circuit? Where is energy stored in the circuit?

( a ) find the coupling coefficient ( b ) calculate vo , ( c ) determine the energy stored in the coupled inductors at t = 2 s . THE FINAL ANSWERS ARE ( a ) 0 . 3 5 3 5 , ( b ) 0 . 3 2 1 7 cos ( 4 t + 5 7 . 6 ) V , ( c ) 1 . 1 6 8 J Please explain the necessary steps to solve.
( a ) find the coupling coefficient ( b )

A single - phase, 6 0 - Hz induction motor absorbs 9 5 0 W from a supply at a voltage of 2 4 0 V and a current of 6 A . A model with the series combination of a resistance and an inductance represents the operation of this motor equivalently across its input terminals. Which one of the following resistance and inductance pair most nearly

A 4 0 0 V , single - phase synchronous motor gives a net output mechanical power of 7 . 3 5 kW and operates at 0 . 9 2 pf lagging. Its effective resistance is 0 . 7 ohm . If the iron and mechanical losses are 5 5 0 W and excitation losses are 7 5 0 W . Calculate the armature current. A . 2 9 . 5 2 A B . 2 1 . 8 4 A C . 2 8 . 4 8 A D . 2 2 . 4 2 A
A 4 0 0 V , single - phase synchronous motor

Explain answes Frequency response of x [ n ] is { x [ k = 0 ] = 1 2 , x [ k = 6 ] = 3 + j 3 6 . 3 7 3 1 , x [ k = 1 2 ] = 3 - j 3 6 . 3 7 3 1 } and other values of x [ k ] are zeros. a ) Find 6 point DFT b ) Find 4 point FFT c ) Find D F T { x [ - 4 ] x [ - 3 ] x [ - 2 ] } \ table [ [ x 6 [ k ] = [ 4 0 1 + j 1 2 . 1 2 4 4 0 1 - j 1 2 . 1 2 4 4 0 ]
Explain answes Frequency response of x [ n ] is {

i . A satellite is orbiting the Earth at an altitude of 6 0 0 km . It is transmitting a radio signal at a frequency of 2 . 4 GHz to a ground station. The ground station is moving towards the satellite at a speed of 2 0 0 m s - 1 due to strong winds. State the formula for the Doppler shift and calculate the shift in the received signal. ( 3 marks )
i . A satellite is orbiting the Earth at an

Problem 3 ) Thevenin / Norton a . Find the Thevenin equivalent circuit.
Problem 3 ) Thevenin / Norton a . Find the

A metal - oxide - semiconductor structure is formed using a metal with a work function of 4 . 2 ( eV ) , an insulator of silicon dioxide that is 3 0 0 ( ) thick, and a p - type silicon substrate with a doping level of 1 0 1 5 ( cm - 3 ) . What is the threshold voltage, VT , for this structure? Calculate the maximum depletion width for this

Q 3 - A . Use Thevenin's theorem to find V o in the network of figure Q 3 . Q 3 - B . Use Norton's theorem to find V o in the network of figure Q 3 .
Q 3 - A . Use Thevenin's theorem to find V o in

4 - Use Eqs. ( 6 - 9 ) and ( 6 - 1 0 ) to calculate and plot I D ( V D , V G ) at 3 0 0 K for a Si JFET with a = 1 0 0 0 , N d = 7 * * 1 0 1 7 c m - 3 , Z = 1 0 0 m , and L = 5 m m . Allow V D to range from 0 to 5 V , and allow V G to take on the values 0 , 1 , - 2 , - 3 , - 4 , and - 5 V . I D = G 0 V P [ V D V P + 2 3 ( - V G V P ) 3 2 - 2 3 ( V
4 - Use Eqs. ( 6 - 9 ) and ( 6 - 1 0 ) to

Derive the power loss equation for a two plant thermal system, with two radial lines feeding a load? b ) A two plant thermal system is considered. The fuel cost model parameters of unit 1 are given by: 1 = 2 . 0 x 1 0 - 3 1 = 8 . For unit 2 , we have 2 = 8 . 1 . The parameter 2 is not known. The transmission losses are represented by: The optimal

What Size conductor is needed for internal wiring in a General Use panel for a circuit With a lighting Ioad of 2 0 FLA? 8 AWG 1 0 AWG 1 2 AWG 1 4 AWG

( Q . ) Using 1 ) T flip flop D Flip Flop Jk flip flop Design the sequential circuit specified by:
( Q . ) Using 1 ) T flip flop D Flip Flop Jk flip

Q 3 ) Please construct the circuit below and fill the table; Table 2 : Proposed Design Results ( Find all the voltages and currents of the resistors mentioned ) \ begin { tabular } { | l | l | l | l | l | l | l | } \ hline & R 1 & R 2 & R 3 & R 4 & R 5 & R 6 \ \ \ hline V & & & & & & \ \ \ hline I & & & & & & \ \ \ hline \ end { tabular } Also;
Q 3 ) Please construct the circuit below and fill

For the network shown, ( 1 5 pts ) a . Find I _ ( B ) , I _ ( C ) , and I _ ( E ) . b . Determine V _ ( B ) , V _ ( C ) , and V _ ( E ) . c . Calculate V _ ( BC ) and V _ ( CE ) .
For the network shown, ( 1 5 pts ) a . Find I _ (

The electrical circuit system given below: Obtain the state space model of the system, where input v ( t ) is the output. ( Use MATLAB, Symbolic Toolbox. )
The electrical circuit system given below: Obtain

Q 1 . Using Superposition Theorem, find all currents through each resistor and all voltage drops across each resistor. 1 . 5 Marks CLO# 1 . 2 \ table [ [ 1 . , Current, I 1 = , I 2 = , I 3 = , I 4 = , I 5 =
Q 1 . Using Superposition Theorem, find all

( a ) . ( i ) . Identify one level sensor options suitable for the application., ( ii ) . Explain the working, advantages and limitations of the selected sensor ( iii ) . Research the cost, installation requirements, and maintenance needs of the recommended sensor . ( 2 ) . ( i ) . Identify one temperature sensor options suitable for the
( a ) . ( i ) . Identify one level sensor options

An 1 6 X 1 6 port multimode fiber reflective star coupler has - 8 . 0 dBm of optical power launched into a single port. The average measured optical power at each output port is 2 2 . 8 dBm . Obtain the excess loss for the device and hence the total loss experienced by an optical signal in transmission through the coupler.

Rc circuit connected across ideal dc voltage

Question 2 8 ) When verifying the continuity of a ring circuit, the measured loop resistance of the line, neutral and CPC were 0 . 9 9 , 0 . 9 Q and 1 . 5 O respectively. What is the expected test value at each socket between the line and CPC when interconnected at the board? a ) 0 . 9 0 b ) 1 . 4 0 c ) 0 . 4 5 O d ) 0 . 6 g

can you show what this would look like in Logix Pro 5 0 0 ladder logic so I can duplicate and run it for myself?

The switch has been open for a long time and is closed at t = 0 . The switch is reopened at t = 3 ms . Find VR ( t ) for t 0 . What are VR ( T ) values at t = 2 ms and at t = 5 ms ?

a ) Design an astable multivibrator with f 0 = 4 KHz and D ( % ) = 5 5 % by using 5 5 5 timer. The timing accuracy of the 5 5 5 astable approaches 1 % , with a temperature stability of 0 . 0 0 5 % / C and a power supply stability of 0 . 0 5 % / V . b ) Since TH > TL , the circuit always gives D ( % ) > 5 0 % . Find a better approach to get perfect

Calculate the value of v o using superposition theorem. ( 2 0 pts )
Calculate the value of v o using superposition

Consider the system shown below: Determine the frequency response of the overall system of the overall system in terms of \ alpha and \ beta . If \ alpha = - ( 2 ) / ( 3 ) the value of \ beta for which the overall system will become an all pass filter with a gain of 3 is Hint: An all pass filter is a filter which passes all frequencies.
Consider the system shown below: Determine the

Use Multisim, Spice or any other circuit simulator for the following. i . Consider the circuit in the figure below with the base voltage V B obtained using a voltage divider across the 5 - V supply. Assuming the transistor to be very large ( i . e . , ignoring the base current ) , design the voltage divider to obtain V B = 2 V . Design for a 0 . 2
Use Multisim, Spice or any other circuit

You will use a single 2 N 7 0 0 0 ? n - channel MOSFET to design an amplifier circuit. Use the default values for k p ( this is k n ' ) for and V t . Part I - Design of an amplifier Using the knowledge that you've obtained from this semester, and the information from the model below, design an amplifier that operates with the following criteria:
You will use a single 2 N 7 0 0 0 ? n - channel

3 . - find the operating region and Q point of the JFET
3 . - find the operating region and Q point of

Which of the following is most likely to create a fire hazard? Circuit breakers Grounded electrical equipment Makeshift wiring Surge protectors
Which of the following is most likely to create a

Given: R = 1 6 0 ( Ohm ) C = 5 F ( micro F ) L = 1 0 0 H ( micro H ) a ) Find the resonant frequency 0 . 0 = Answer 1 Question 3 rad / sec b ) Find the lower half - power frequency wc 1 . c 1 = Answer 2 Question 3 rad / sec c ) Find the upper half - power frequency wc 2 . c 2 = Answer 3 Question 3 rad / sec d ) Find the bandwidth ( Beta ) . =

When you use 3 2 latches, in parallel, in a memory IC , the device can store up to _ _ _ _ _ _ bytes.

A 3 - phase, 2 - pole, 5 0 Hz , synchronous generator has a rating of 2 5 0 MVA, 0 . 8 pf lagging. The kinetic energy of the machine at synchronous speed is 1 0 0 MJ . The machine is running steadily at synchronous speed and delivering 6 0 MW power at a power angle of 1 0 electrical degrees. If the load is suddenly removed, assuming the

A 1 5 - hp , 2 3 0 - V , 1 8 0 0 r / min shunt DC motor has a full - load armature current of 6 0 A when operating at rated conditions. The armature resistance of the motor is Ra = 0 . 1 5 R _ a = 0 . 1 5 \ , \ OmegaRa = 0 . 1 5 , and the field resistance RfR _ fRf is 8 0 8 0 \ , \ Omega 8 0 . The adjustable resistance in the field circuit RadjR _

A turbo generator is rated 1 0 0 MVA, = 1 4 4 0 rad / sec , inertia 1 2 0 0 then it inertia constant ( H ) equal: a ) 1 0 . 4 b ) 1 1 . 4 c ) 1 2 . 4 d ) 1 3 . 4

Based on the signal flow graph, determine Y 2 R 2 , Y 1 / R 2 and Y 1 / R 1 s + 2 5 s 3 + 1 7 s 2 + 4 6 s + 8 0 5 s 2 + 2 s 5 s 3 + 1 7 s 2 + 4 6 s + 8 0 s 3 + 3 s 2 + 1 0 s + 2 0 5 s 3 + 1 7 s 2 + 4 6 s + 8 0 1 0 s 2 + 2 0 s 5 s 3 + 1 7 s 2 + 4 6 s + 8 0
Based on the signal flow graph, determine Y 2 R 2

A three - phase 2 3 0 V motor with a NEMA locked - rotor code of C has an efficiency of 8 8 percent and a power factor under load of 0 . 8 . The maximum amperage the 1 0 Hp motor can be expected to draw when first starting is about amps. A . 1 2 7 B . 2 4 6 C . 1 4 2 D . 1 . 4
A three - phase 2 3 0 V motor with a NEMA locked

short note on gauss's law in electromagnetic waves

why silicon type transistors are more often used than germanium type?

Using block diagram reduction techniques obtain C / R by reducing the block diagram shown below.
Using block diagram reduction techniques obtain C

3 . Assume that the traffic lights system is designed to include Red and Green lights. The lights are activated by the voltage input. The Selector component connects voltage input to one of the traffic lights based on the value of a counter. The 4 - bit counter is used to determine which light should be active. ( 1 5 points ) The system includes a
3 . Assume that the traffic lights system is

A feedback control system has the open - loop transfer function, GOL ( s ) = 0 . 5 Kce 3 s / ( 1 0 s + 1 ) . Determine the values of Kc for which the closed - loop system is stable using two approaches: ( a ) An approximate analysis using a 1 / 1 Pad approximation for e 3 s and the direct substitution method. ( b ) An exact analysis based on

In a 3 - phase bridge rectifier operating with no delay and with a 6 0 - degree overlap, the direct current is derived from the overlap current between phases. Let's show that the direct current I d is equal to half the crest value of the line short - circuit current on the valve side of the transformer bank.

The message signals m 1 ( t ) and m 2 ( t ) are transmitted using a carrier frequency fc with Quadrature Amplitude Modulation ( QAM ) technique. A standard QAM receiver is used at the receiver end. Draw the block diagrams for the transmitter and receiver. If there is a 1 Hz frequency error in the oscillator at the receiver, clo ( t ) = 2 cos ( 2 (

Using your second 4 0 0 7 array, build a PMOS current mirror using the P 2 and P 3 FETs from your PMOS array IC . Use RX = ~ 1 kohms as an ammeter. ( Measure VX and use the measured value of RX to find P 3 s drain current I 3 = VX / RX . ) Initially set V 3 to 0 VDC using a waveform generator and choose a value for R 2 to set I 3 to roughly 0 . 0

Consider a gallium arsenide sample at T = 3 0 0 K . A Hall effect device has been fabricated with the following geometry; d = 0 . 1 cm , W = 0 . 0 5 cm , and L = 0 . 5 cm , The electrical parameters are: Ix = 2 mA , Vx = 2 V , and Bz = 1 0 mT . The Hall voltage is VH = - 1 0 mV . Find ( a ) the conductivity type, ( b ) the majority carrier

In the below circuit, determine the phase angle between the applied voltage and the current at the first critical frequency f 1 ( i . e . f 1 = f r - B W 2 ) . R = 9 , L = 1 4 H , C = 1 3 n F , and | V s | = 5 V and 0 phase If the current is leading the angle should be positive and if the voltage is leading the angle should be negative. The result
In the below circuit, determine the phase angle

Exercise 8 a . 4 : A 4 - bit count down ripple counter is designed using J - K flip - flop with positive edge triggered clock. a ) Draw the connection of logic symbol. b ) Draw the waveform outputs for 8 clock cycles. c ) Construct a state table for the counter. d ) Draw the state diagram the the counter.
Exercise 8 a . 4 : A 4 - bit count down ripple

1 3 . 8 8 The parallel combination of R 2 and C 2 in the circuit shown in Fig. P 1 3 . 8 8 represents the input circuit to a cathode - ray oscilloscope ( CRO ) . The parallel combination of R 1 and C 1 is a circuit model of a compensating lead that is used to connect the CRO to the source. There is no energy stored in C 1 or C 2 at the time when
1 3 . 8 8 The parallel combination of R 2 and C 2

Determine the inverse DTFT of each of the following transforms: ( a ) Y _ ( 1 ) ( e ^ ( jhat ( \ omega ) ) ) = \ pi ( b ) Y _ ( 2 ) ( e ^ ( jhat ( \ omega ) ) ) = 3 e ^ ( - j 4 hat ( \ omega ) ) ( c ) Y _ ( 3 ) ( e ^ ( jhat ( \ omega ) ) ) = 5 jsin ( 4 hat ( \ omega ) ) ( d ) V _ ( 2 ) ( e ^ ( jhat ( \ omega ) ) ) = { ( 1 , | hat ( \ omega ) | = 0
Determine the inverse DTFT of each of the

Describe the operation of an optical isolator and its key benefits in circuit design.
Describe the operation of an optical isolator and

For the circuit shown in figure 1 . 2 , Determine the following: i . The value of voltage V 1 , V 2 , V 3 ii . The current flowing in each of the three resistors ( R 1 = 6 , R 2 = 8 and R 3 = 5 ) Figure 1 . 2 DC series parallel circu

Q 4 . For the network in figure Q 4 : a . Find R L in the network in order to achieve maximum power transfer. b . Calculate the maximum power delivered to the load. c . Calculate the efficiency at the load.
Q 4 . For the network in figure Q 4 : a . Find R

Consider the circuit given, where A = 3 0 0 . 0 m F . Obtain an expression for i L ( t ) valid for all t > 0 . ( Round the final answers to three decimal places. ) ( Include a minus sign if necessary. ) The expression for i L ( t ) = A 1 e S 1 t + A 2 e s 2 t A , where A 1 = 1 0 - 4 , s 1 = s - 1 * A 2 = 1 0 - 8 , and s 2 = 1 .
Consider the circuit given, where A = 3 0 0 . 0 m

qucs uygulamas nda analizini yap
qucs uygulamas nda analizini yap

Question 1 3 ) What is the purpose of initial verification? a ) For everyones safety b ) That the insulation resistance is above 2 MS c ) So far as reasonably practical, that the requirements of the regulations have been meet d ) Make sure everything is electrically safe

Find the operationg region and Q point ( Ib and Vce ) show all the steps and calculations please!
Find the operationg region and Q point ( Ib and

For Half Cosine Signal Q 3 : Find V R m s where is , a = 1 , b = 1 1 = 2 a V 2 , 3 2 x ( t ) = c o s t for - 2 t 5 2 = 0 for 2 t 3 2 , w = 1
For Half Cosine Signal Q 3 : Find V R m s where

Most studies show that PCs are the most common device for Web access. True False
Most studies show that PCs are the most common

A typical IP address like 1 9 2 . 1 6 8 . 1 . 1 0 0 contains 4 octets . What is the number range for one octet? 0 to 2 5 5 0 to 5 1 2 1 to 1 0 0 0 0 to 9 9 9

What size copper conductors are needed to supply a 3 - phase, 2 0 8 - volt, 2 0 0 - ampere load at a distance of 2 5 0 feet and not exceed a 3 % voltage drop?

Assume a gain of 2 V / V and the input voltage vI being a sine wave with 2 Vpp Determine RA & RB . Show your steps. Does R 1 impact this?

1 0 . 6 Consider a MOS capacitor with an n - type silicon substrate. A metal semiconductor work function difference of ms 0 . 3 0 V is required. Determine the silicon doping concentration required to meet this specifi cation when the gate is ( a ) n polysilicon, ( b ) p polysilicon, and ( c ) aluminum. If a particular gate cannot meet this specifi

A modulation signal is y ( t ) = m ( t ) cos ( 4 0 0 0 0 pi t ) , where the baseband signal m ( t ) has frequency components less than 5 kHz only. The minimum required rate ( in kHz ) at which y ( t ) should be sampled to recover m ( t ) is qqua

Now, we want to realize the memory circuit in the FPGA on the DE 2 board, and use toggle switches to load some data into the created memory. We also want to display the contents of the RAM on the 7 - segment displays. 1 . Make a new Quartus II project which will be used to implement the desired circuit on the DE 2 board. 2 . Create another VHDL

An RL diode circuit is shown below with R = 1 0 Ohms, L = 5 m H , and an input voltage V s = 2 2 0 V . Initially the inductor is discharged and the switch S 1 is closed at t = 0 . The initial rate of change of current di / dt = A / us
An RL diode circuit is shown below with R = 1 0

The switch in the circuit of ( Figure 1 ) has been closed for a long time before being opened at t = 0 . What percentage of the initial energy stored in the circuit has been dissipated after the switch has been open for 1 5 ms ?
The switch in the circuit of ( Figure 1 ) has

The circuit of a common source MOSFET amplifier is shown below. ( i ) Calculate the value of the transconductance ( gm ) of the BS 1 7 0 transistor at 2 5 C and \ ( \ mathrm { Vgs } = 6 \ mathrm { ~V } \ ) [ 3 marks ] ( ii ) An engineer wants to use the common source circuit to make an amplifier. If they assume VDD = 1 0 V , what would be a
The circuit of a common source MOSFET amplifier

2 . Geni band FM retmek i in nce darband FM i areti olu turup sonra frekans arp c ile i aretin band n geni letiriz . ekilde g sterildi i gibi dolayl retim yapan bu mod lat rlere Armstrong - tipi FM mod lat r denir. Darband FM i aretinini maksimum frekans sapmas \ ( ( \ Delta f ) 1 \ mathrm { kHz } \ ) dir. a . Osilat r n frekans \ ( f _ { 0 } = 1
2 . Geni band FM retmek i in nce darband FM i

Sketch the state diagram for the 3 flip flop circuit shown ( using state variables Q 2 Q 1 Q 0 ) . For ease of reading, please write the state in decimal ( i . e . 0 through 7 ) .
Sketch the state diagram for the 3 flip flop

( a ) An RLC circuit with a high Q factor has a narrow resonance curve. 1 . true 2 . false ( b ) At resonance, the impendance of a series RLC circuit equals the resistance R . 1 . true 2 . false ( c ) At resonance, the current and generator voltage are in phase. 1 true 2 . false

) Calculate the R and L elements of a load that consumes 2 . 5 kVA with pf = 0 . 8 when supplied with 1 2 0 V / 6 0 Hz . 2 ) Compute the modulation index ma required for a full - bridge voltage source inverter with a DC bus voltage of 2 0 0 V to supply 1 2 0 V / 6 0 Hz in the output. 3 ) Calculate the magnitude of the DC component and of the

Which of the following is not checked when conducting a formal visual inspection?a ) The routing of cablesb ) The means of disconnection / isolationc ) Earth continuityd ) Damage to the equipment casing

What is the power factor angle of a load with a voltage v ( t ) = 1 5 2 cos ( 3 5 1 t + ( 7 5 ) ) v ( t ) = 1 5 2 cos ( 3 5 1 t + ( 7 5 ) ) and current i ( t ) = 1 2 sin ( 3 5 1 t + ( 3 0 ) ) i ( t ) = 1 2 sin ( 3 5 1 t + ( 3 0 ) ) ? Determine in degrees ( positive or negative angle ) :

a . ) The mutual reactance will be: x m 1 = x 1 1 - x 1 = x m 2 = x 2 2 - x 2 = x 1 2 = x m 1 x m 2 2 = b . ) Taking as reference: V 2 = 2 4 0 0 ? 0 V c . ) The secondary current module. | I 2 | = S V 2 = d . ) The secondary current in phasor form. | ) / ( C | = 4 , 1 7 ? - C o s - 1 0 , 9 = e . ) The load impedance will be Z L = ? b a r ( V ) 2 ?
a . ) The mutual reactance will be: x m 1 = x 1 1

The signal x ( t ) = s i n c [ 2 0 0 t ] + c o s [ 5 0 t ] , is the input to a system as shown below . The LPF bandwidth B W L P F = 1 8 0 . The DSB _ SC modulator applies a carrier signal that has the form C ( t ) = c o s [ 1 5 0 0 t ] , and the bandpass filer has a center frequency and bandwidth given by W c e n t e r = 1 5 0 0 , B W B P F = 3 0
The signal x ( t ) = s i n c [ 2 0 0 t ] + c o s

c . ( 4 pts . ) For each of the following functions find a minimum SOP expression, using algebraic manipulations: i . ( 2 pts . ) f = x ' y ' z ' + x ' y + x y z ' + x z ii . pts . ) f = A ' + ABC + A ( B o + C ) + A B ' C '
c . ( 4 pts . ) For each of the following

If the switch in Fig. 2 has been open for a long time and is closed at t = 0 , find i 0 ( t ) for t 0
If the switch in Fig. 2 has been open for a long

CEC Rule q , explains how to bond equipment that is fastened in place and connectea dy permanent wiring methods. a . , 1 0 - 4 0 0 b . 1 0 - 4 0 8 c . 1 0 - 6 1 8 d . 1 0 - 0 0 2
CEC Rule q , explains how to bond equipment that

A linear time - invariant ( LTI ) system has a step response s ( t ) = 2 e - 3 t * u ( t ) . a ) Find and sketch the impulse response h ( t ) of the system. b ) Find and sketch the ramp response r ( t ) of the system. c ) Find the response of the system to an input x 1 ( t ) = ( t ) - 5 ( t - 4 ) . e ) Find the response of the system to an input x
A linear time - invariant ( LTI ) system has a

1 . Determine the magnitude and phase of the output from the following system when subject to a sinusoidal input of . Write the steady - state sinusoidal output.

P 5 . 7 6 . Determine the power for each source shown in Figure P 5 . 7 6 . Also, state whether each source is delivering or absorbing energy. Can i use superposition here?
P 5 . 7 6 . Determine the power for each source

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