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Electrical Engineering Questions and Answers March 14, 2019

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A 4 6 0 - V , 4 - pole, 5 0 - hp , 6 0 - Hz , Y - connected, three - phase induction motor develops its full - load induced torque at 3 . 8 % slip when operating at 6 0 Hz and 4 6 0 V . The per - phase circuit model impedances of the motor are: R 1 = 0 . 3 3 Ohms Xm = 3 0 . 0 Ohms X 1 = 0 . 4 2 Ohms X 2 = 0 . 4 2 Ohms Mechanical, core, and stray

Draw a flow chart, make sure it includes the correct shapes and arriw following the system. draw system using google docs and inckude file to edit flowchart. Flowchart for Cell Tower Discovery and Signal Amplification System Start 1 . Power On and Initialize Turn on the device and initialize its components ( processor , memory, antenna,

PART B: KIRCHHOFF'S CURRENT LAW Construct the circuit as shown in Figure 2 . 4 and set the power supply voltage to 1 2 V . Set the digital multimeter to measure the DC current. Place the digital multimeter probes in series with the resistor and measure all the current as in Table 2 . 2 . Record this value in Table 2 . 2 . Verify KCL for the nodes
PART B: KIRCHHOFF'S CURRENT LAW Construct the

Q 4 Sa Given: R = 1 8 7 5 ( Ohm ) C = 1 0 0 nF ( nano F ) L = 1 5 6 . 2 5 mH ( milli H ) a ) Calculate 0 . 0 = Answer 1 Question 7 rad / sec b ) Calculate f 0 . f 0 = Answer 2 Question 7 Hz c ) Find c 1 . c 1 = Answer 3 Question 7 rad / sec d ) Find c 2 . c 2 = Answer 4 Question 7 rad / sec e ) Find ( Beta ) . = Answer 5 Question 7 rad / sec f )

Question 1 5 ( Mandatory ) ( 4 points ) When a flip - flop is RESET, q , Q = 0 , b a r ( ) = 0 Q = 1 , b a r ( 0 ) = 0 Q = Q = 0 , b a r ( Q ) = 1
Question 1 5 ( Mandatory ) ( 4 points ) When a

total impedance of two series connected elements is z = 1 0 - 5 3 . 1 3 determine what type of elemets the circuit contains

What is the maximum number of 1 0 AWG THWN - 2 conductors permitted in a trade size 1 - inch Electrical Nonmetallic Tubing, 6 inches in length?a . 1 0 b . 1 7 C . 1 8 d . 2 3
What is the maximum number of 1 0 AWG THWN - 2

x 1 ( n ) = nu ( u - 1 ) find z transform using z properties

P 1 0 . 5 - 6 The input to the circuit shown in Figure P 1 0 . 5 - 6 is the current i s ( t ) = 4 8 c o s ( 2 5 t ) m A . Determine the current i 3 ( t ) . Answer: i 3 ( t ) = 1 6 . 8 5 c o s ( 2 5 t + 6 9 . 4 ) m A Figure P 1 0 . 5 - 6
P 1 0 . 5 - 6 The input to the circuit shown in

Consider the second - order recursive system shown below. a . Write down the difference equation describing the system. b . Assume x ( n ) = 3 2 n , n 0 , and initial conditions are y ( - 1 ) = y ( - 2 ) = 1 . Find the output y ( n ) . ( Using Z transform to solve for y ( n ) is not allowed )
Consider the second - order recursive system

The current - carrying capacity of a wire depends on its _ _ _ _ and material
The current - carrying capacity of a wire depends

First table threshold voltage is 0 . 4 3 V and second table threshold voltage is 0 . 4 0 4 V . 1 . For \ ( 1 3 0 - \ mathrm { nm } \ ) CMOS node, 2 nm of SiON is used as the gate dielectric to prevent impurity atom diffusion ( SiON is denser ) . The structure is shown in the figure below on the left. For \ ( 4 5 - \ mathrm { nm } \ ) CMOS node,
First table threshold voltage is 0 . 4 3 V and

Find R 1 , R 2 , R 3 , R 4
Find R 1 , R 2 , R 3 , R 4

( C ) In the same building, there is an open teaming area ( 2 0 ft by 3 0 ft with a 9 . 5 ft ceiling ) for the accounting department, and you ve decided to use the same luminaires and selected a target initial illuminance of 4 0 fc . The coefficient of utilization for the luminaire in these room conditions is 0 . 8 5 . How many luminaires will be

Consider an ideal Si - SiO 2 MOS capacitor with oxide layer width d = 4 nm and a p - type semiconductor having Na = 9 x 1 0 1 6 cm - 3 .

The output voltage of a 5 5 W transformer is 1 2 V , and the input current is 3 5 A . By what factor is the voltage multiplied?

The chip contains a 3 2 word x 4 8 bit ROM Calculate the static power dissipation of a 3 2 - word 4 8 - bit ROM that contains a 5 : 3 2 pseudo - nMOS decoder and pMOS pullups on the 4 8 - bit lines. The pMOS transistors have an ON current of 3 6 0 mA and are minimum width ( 1 0 0 n m ) . V D D = 1 . 0 V . Assume one of the word lines and 5 0 % of
The chip contains a 3 2 word x 4 8 bit ROM

Question 4 Determine the current I through the 1 0 resistor of the following circuit by employing the node - voltage method. Check your result by using mesh analysis. ( Answer: I = 0 . 5 A )
Question 4 Determine the current I through the 1

The input offset current and input bias current are specified as 2 0 nA and 8 0 nA respectively in the datasheet of an op - amp. Find the values of two base currents. b . A non - inverting amplifier with a nominal gain 1 0 has slew rate of 1 0 V / s . If the input voltage is 0 . 5 V , what is the maximum frequency before the output distorts? If

Unrecaptured 1 2 5 0 gain is taxed at a maximum rate of 2 5 percent.

In viVirginia Transformer company, regards core stacking and core cutting, what type of steel is used for building the core of a transformer??

Consider a discrete time rectangular pulse signal [ ] = [ ] [ ] where < . Student A states that the region of convergence of [ ] must always be the entire plane, excluding the point = 0 . Student B is correct in disagreeing with Student A . Why? 2 . For an asymptotically stable and causal system, we know that the characteristic modes must decay to

If the grounding electrode conductor for a separate building or structure is connected to only a concreteencased electrode ( s ) , the maximum size required is a ( n ) ? q , a . 8 AWG copper conductor b . 6 AWG copper conductor c . 4 AWG copper conductor d . 2 AWG copper conductor
If the grounding electrode conductor for a

S 2 A pressure sensor outputs 2 . 5 m V k P a , but there is 6 0 - H z noise of a steady peak 5 5 mV on the line. Pressure in the range 0 . 0 to 7 0 kPa must be converted by an ADC and presented to a computer. The resolution must be at least 0 . 2 kPa . a . Design a system of filter, signal - conditioning, and ADC specifications to satisfy this
S 2 A pressure sensor outputs 2 . 5 m V k P a ,

Which of the following statements is true about insertion loss? A 0 dB would indicate a poor connection. B 0 dB would indicate 9 0 % signal loss. C 0 dB would indicate 9 9 % signal loss. D 0 dB would indicate a perfect and a lossless connection.
Which of the following statements is true about

/ / Instantiate SevenSegmentTruthTable for ones place SevenSegmentTruthTable seg 1 ( . x 3 ( digit 0 [ 3 ] ) , . x 2 ( digit 0 [ 2 ] ) , . x 1 ( digit 0 [ 1 ] ) , . x 0 ( digit 0 [ 0 ] ) , . a ( seg _ a [ 6 ] ) , . b ( seg _ a [ 5 ] ) , . c ( seg _ a [ 4 ] ) , . d ( seg _ a [ 3 ] ) , . e ( seg _ a [ 2 ] ) , . f ( seg _ a [ 1 ] ) , . g ( seg _ a [
/ / Instantiate SevenSegmentTruthTable for ones

Branch circuit conductors shall have an ampacity than the maximum to be served. not less 1 2 5 % greater than Older electrical books and plans sometimes use the term " MCM " , which means the same thing as q , metric kemil A . I.C . GFCI
Branch circuit conductors shall have an ampacity

what is TTL / CMOS in electric circult?

Problem 1 We would like to build an AM radio receiver using a series RLC circuit to act as a bandpass filter as shown in the figure below. We have decided to use a \ ( 5 0 0 \ mu \ mathrm { H } \ ) inductor, \ ( 2 5 \ Omega \ ) resistor, and a variable capacitor whose capacitance can be adjusted between 2 0 and 1 5 0 pF . A radio "tunes" into a
Problem 1 We would like to build an AM radio

A 3 - conductor flexible cord used in a luminaire has 1 conductor marked with ridges or grooves to identify it as the _ _ _ _ conductor

A short circuit occurs in a 1 2 0 volt circuit protected by a GFCI. True or False: Nothing happens. The GFCI prevents short circuits.

This is my ltspice circuit, but when i try to run it it says that F is missing gain value, how do i fix it ?

According to the Bode - Fano criterion, what is the best value ( maximum ) return loss that can be achieved for this antenna over the required bandwidth using an ideal, lossless matching network ?

b . Analyse the operation of the circuit in figure 2 . 2 ( where V = 2 4 0 V , f = 5 0 hz , R = 4 5 , L = 2 0 0 mH , and C = 4 0 F ) and determine the following:i . The current in the coil and its phaseii. The current in the capacitor and its phaseiii. The supply current and its phase angleiv. The circuit impedancev. The power consumed, apparent

Consider a single core processor, running at VDD = 1 VDD = 1 ( arbitrary unit ) , frequency = 1 1 , power consumption is 1 1 . All units are arbitrary. Now we use a dual core design, with each core having half the size of the single core processor, operating at VDD = 0 . 7 VDD = 0 . 7 , freq = 0 . 7 freq = 0 . 7 . Question 2 . 1 Q 2 . 1 5 Points

The CR relay is used to delay the A . transfer switch. B . 4 P R relay. C . TR relay. TD relay. Search
The CR relay is used to delay the A . transfer

Q 5 . 1 - ( Example - 4 ) A three - unit suspension insulator string if the capacitance of the link pins to the earth are 2 0 % of the self - capacitance of each unit. Assume the total voltage is V . a ) Find the voltage distribution and string efficiency. b ) When you design the insulator, if a guard ring is installed and the value of the
Q 5 . 1 - ( Example - 4 ) A three - unit

Solve to me H . W 2 The transistors in the amplifier in figure below, V T = 2 v , and K = 0 . 5 m A V 2 , Find Z i , Z o , A v 1 , A v 2 , and A v s v s if we connected load resistance RL = 5 k . Assume the values of all capacitors are very large. q ,
Solve to me H . W 2 The transistors in the

1 0 . 1 4 A lossless transmission line having characteristic impedance Z 0 = 5 0 is driven by a source at the input end that consists of the series combination of a 1 0 - V sinusoidal generator and a 5 0 - resistor. The line is one - quarter wavelength long. At the other end of the line, a load impedance Z L = 5 0 - j 5 0 is attached. ( a )
1 0 . 1 4 A lossless transmission line having

Three - Phase _ AC _ Circuits: The two - wattmeter method of power measurement allows active power in a three - phase circuit to be determined. allows apparent power in a single - phase circuit to be determined. allows reactive power in a single - phase circuit to be determined. allows active power in a single - phase circuit to be determined.
Three - Phase _ AC _ Circuits: The two -

Zalman fanless ASRock GEIL RAM MSI GeForce GTX 1 0 6 0 Cryorig H 7
Zalman fanless ASRock GEIL RAM MSI GeForce GTX 1

the electrric field of an electromagnetic wave propagation in air is given by E ( z , t ) = x 4 cos ( 6 X 1 0 8 t - 2 z + y 3 sin ( 6 x 1 0 8 t - 2 z

Under what condition can a ground loop circuit be developed?
Under what condition can a ground loop circuit be

Antennas
Antennas

1 6 bit rotating register in vhdl

A 2 2 0 - V dc compound motor rated at 1 0 HP ( output power ) has a full - load efficiency ol 7 6 % . The shunt field, series and armature resistances are 6 0 ohms, 0 . 1 and 0 . 5 ohm respectively. A . Il connected as short shunt, what starter resistance will be required to limit the armature current at starting to 1 5 0 % of its rated armature

3 . A 1 0 0 \ mu F capacitor is charged through a resistor R , which can be adjusted between 1 k \ Omega and 1 0 k \ Omega , using a 1 2 V power supply. Derive the formula for the charging voltage V ( t ) . Compute the voltage across the capacitor after 2 s when R = 5 k \ Omega . Examine how the charging duration is affected by variations in R .

( ii ) If the Nyquist plot is as shown in Fig. 5 - b , is this system stable? ( b )
( ii ) If the Nyquist plot is as shown in Fig. 5

1 . A magnetic line source of infinite length and constant magnetic current is placed parallel to the z axis at a height h above a PEC ground plane of infinite extent. ( a ) Determine the total magnetic field at , for 0 1 8 0 . ( b ) Simplify the expressions when the observations are made at very large distances ( far field ) . ( c ) Determine the

P . 1 Find the Laplace transforms of x ( t ) = u ( t ) - u ( t - a ) and y ( t ) = x ( 2 t ) = u ( 2 t ) - u ( 2 t - a ) by using the linearity, time - shifting, and time - scaling properties.
P . 1 Find the Laplace transforms of x ( t ) = u

Determine values of R _ ( 1 ) and R _ ( 2 ) the circuit of Figure 5 so that V _ ( o ) = 5 ( V _ ( 2 ) - V _ ( 1 ) ) . ( 1 0 marks )
Determine values of R _ ( 1 ) and R _ ( 2 ) the

Which of the following is a feature of an FPGA ( Field - Programmable Gate Array ) ? A ) It cannot be reprogrammed once configured B ) It is designed for high - speed analog processing C ) It consists of programmable logic blocks and interconnects D ) It only performs arithmetic operations

The load on a 2 0 0 V , 6 0 H z supply is 8 kW ( resistive ) , 9 kVAR ( inductive ) , and 3 kVAR ( capacitive ) . a . Find the total kilovolt - amperes. b . Determine the F n of the combined loads.
The load on a 2 0 0 V , 6 0 H z supply is 8 kW (

A - Derive the transfer function of the electrical circuit shown in Fig. ( 4 ) 3 : 0 2 PM Fig. 4 2 - 2
A - Derive the transfer function of the

Use a Mealy FSM to implement the detector given in Question 3 . Show all five steps. How does this design compare with the design implemented as a Moore FSM ? Specifically, comment on the number of logic elements and when the output appears relative to the change in the input signal.

For the above circuit determine V O in Volts rounded to the nearest single digit decimal place. assume ideal op - amps and that they are operating in the linear region. V 1 = 1 3 Volts R 1 = 8 Ohms R 2 = 6 Ohms R 3 = 7 Ohms R 4 = 7 Ohms R 5 = 8 Ohms
For the above circuit determine V O in Volts

rube goldberg electromagnetic circuit explanation formula used

Question 8 ) The test current applied to a 3 0 mARCD to check for a 4 0 ms maximum disconnection time is: a ) 3 0 0 mA b ) 1 5 0 mA c ) 1 5 mA d ) 3 0 mA
Question 8 ) The test current applied to a 3 0

Design a circuit with a 3 - bit input and 3 - bit output that does the following: if the input is an even number < 4 ; the output = input + 2 if the input is an even number > 4 ; the output = input + 4 if the input is an odd number; the output = input 1 note: you may consider 0 to be an even number for this problem.

In the above circuit, V i n = 2 4 V , R 1 = 8 , R 2 = 5 , R 3 = 7 , R 4 = 8 , R 5 = 9 . Please find the current I 3 in ampere.
In the above circuit, V i n = 2 4 V , R 1 = 8 , R

2 4 . A servo system is described by following equation dot x ( t ) = Ax ( t ) + Bu ( t ) + B * d ( t ) nu ( t ) = Cx ( t ) Where A = [ [ - 3 , 2 ] , [ 4 , - 5 ] ] - C - 1 0 d = input to the system The control law is u ( t ) = - K * x ( t ) + K _ { x } ( t ) where r ( t ) = constant reference input Find ( a ) Feedback state matrix gain & so that

To mount three switches in a single - gang standard device box, you would use A . three - way switches. B . despard switches. C . pushbutton switches. D . four - way switches.
To mount three switches in a single - gang

Given the circuit in Figure 1 , please calculate Vin and It . Please write them in polar forms. [ 5 points ] a ) V i n = q , b ) I T = q , Fig. 1 : A circuit of question 4
Given the circuit in Figure 1 , please calculate

Question 2 ) When two 1 0 m m 2 bonding conductors of equal length are connected in parallel the resistance would... a ) double b ) half c ) increase d ) decrease
Question 2 ) When two 1 0 m m 2 bonding

1 0 . 2 0 ( a ) Determine s on the transmission line of Figure 1 0 . 3 2 . Note that the dielectric is air. ( b ) Find the input impedance. ( c ) If L = 1 0 , find I s . ( d ) What value of L will produce a maximum value for | I s | at = 1 Gra d s ? For this value of L , calculate the average power ( e ) supplied by the source; ( f ) delivered to
1 0 . 2 0 ( a ) Determine s on the transmission

Sketch the asymptotes of the Bode plot magnitude and phase for each of the following open - loop transfer functions. Explain each step for determining the breakpoints and asymptotes and the reasoning for the slopes of the asymptotes. L ( s ) = ( s + 5 ) ( s + 1 0 ) s ( s + 1 ) ( s + 1 0 0 )
Sketch the asymptotes of the Bode plot magnitude

With reference to three - phase, insulated neutral marine electrical distribution systems: ( a ) explain the meaning of insulated neutral; ( b ) state the advantage of this system compared to an earthed neutral system; ( c ) sketch a labelled circuit diagram of ONE arrangement for detecting phase to earth faults; ( d ) describe the indication from
With reference to three - phase, insulated

Unit A - 8 Basic Concepts in Electrotechnology 1 apter 2 ( Cont . ) jective 2 6 . The following diagram shows a generator armature made of four conductor loops, passing through a magnetic field. Using the "point of an arrow" and "arrow tail feathers" symbols, show the direction of induced current flow on each conductor. it three methods that can
Unit A - 8 Basic Concepts in Electrotechnology 1

Due to magnetizing inrush on the primary of a transformer over 1 0 0 0 volts primary overcurrent device may need to be sized

Question 5 ( DFT ) ( a ) For below sequences, determine the specified circularly shifted versions: i ) x [ n ] = { 4 , 3 , 2 , 1 } , 0 n 3 , find x [ n - 2 ] m o d 4 ii ) x [ n ] = { 1 , 3 , 2 , 4 , - 1 , - 3 } , 0 n 5 , find x [ - n ] m o d 6 iii ) x [ n ] = { 1 , 4 , 2 , 3 , 1 , - 2 , - 5 , 1 } , 0 n 7 , find x [ - n + 2 ] m o d 8
Question 5 ( DFT ) ( a ) For below sequences,

Find the current and the voltage across the resistor R in phasor form? I R = V R = ?
Find the current and the voltage across the

A resistor and a capacitor are in series with an A C source. The impedance is Z = 1 1 at 3 8 0 H z and Z = 1 8 . 3 at 2 0 0 Hz . Find R and C . R = C = F
A resistor and a capacitor are in series with an

Problem points ) : The block diagram below represents a feedback control system: ( a ) Determine the Transfer Function H ( s ) ( b ) Determine the values of and k so the step response of the system has a steady state value of 5 and a maximum peak value of 5 . 7 5 y ( t p ) = 5 . 7 5 , y ( ) = 5 ( c ) Plot the step response of the system and show
Problem points ) : The block diagram below

In the following circuit, the switch has been closed for 2 5 0 milliseconds. What is the value of the voltage across the capacitor at a point in time long after the switch is open ( assume all components are ideal ) ?

Which of the following statements about VLSI design is correct? A ) CMOS technology combines p - type and n - type MOSFETs to achieve lower power consumption. B ) Static timing analysis ( STA ) is performed to ensure signals meet required time constraints. C ) Layout design involves placing transistors, interconnects, and vias while following

Problem 5 Find the Z - transform of f ( n ) = ( 0 . 7 5 ) n 1 u ( n 1 ) . Be sure to specify the ROC.

High frequency capacitance versus voltage plots for a metal - insulator - semiconductor ( MIS ) structure are shown at the right ( NdF 3 and SiO 2 comprise the insulator ) . Four voltage sweeps are indicated where the bias is applied to the aluminum metal. The first sweep starts at + 5 volts and ends at - 5 volts, the second sweep is in the
High frequency capacitance versus voltage plots

Create a binary counter driving 8 LED connected to outputs ' L 1 ' to ' L 8 ' . The LEDs should light up to represent the current count in binary, incrementing every second. Use ladder logic or structured text
Create a binary counter driving 8 LED connected

( a ) Determine for each case below whether the given closed - loop specifications can be achieved by gain adjustment only and, if so , the range ( s ) of K that achieve the specification. Explain any approximations. ( i ) In the step response, percent overshoot is between 4 . 3 2 % and 1 6 . 3 % while peak time is no greater than 2 . 2 5 seconds.

Construct two - input Multiplexer and determine the output, if S = 1 Please use pen and paper. I need a visual representation
Construct two - input Multiplexer and determine

Transformers performance and economic considerations [ PA . 1 and IE . 4 ] - A 6 0 kVA, 6 0 0 0 / / 6 0 0 V , 6 0 Hz , single - phase transformer is used in an industrial plant to supply part of the motor loads. It has the following equivalent circuit parameters in pu: Series elements: 0 . 0 1 ( resistive ) , 0 . 0 6 ( inductive ) ; magnetizing
Transformers performance and economic

b . In a cellular network, the total number of channels per cell is seven, among which two are reserved exclusively for handoff calls. Assume that both new and handoff call arrivals follow a Poisson process. The mean arrival rate of new calls and handoff calls are 1 . 5 calls / minute and 0 . 3 calls / minute , respectively. The channel holding
b . In a cellular network, the total number of

( a ) For the circuit shown in Figure 1 , determine the voltage v x by using the superposition theorem. [ 1 5 marks ] Figure 1
( a ) For the circuit shown in Figure 1 ,

I. 1 . The Fourier transform of x ( t ) is x ( j ) = e x p ( - 2 j ) 2 + 1 . A signal y ( t ) is related to x ( t ) . For each y ( t ) in the first list, find the expression for Y ( j ) from the second list ( You will receive 2 . 5 points for each correct answer and lose 2 points for each incorrect answer. ) : ( A ) . y ( t ) = x ( t + 1 ) ( B ) .
I. 1 . The Fourier transform of x ( t ) is x ( j

Use source transformation find i in the circuit shown in figure 3
Use source transformation find i in the circuit

1 5 . 1 3 By using the feedback technique, a broadband microwave

For the following transistor LED driver circuit, determine the value of R E in order for the LED to turn on ( function ) . The LED operation conditions are 1 5 mA and 2 Volts. Show all calculation. Provide your circuit values for V B , V C , V C E and I L E D . V D D = 1 5 V , = 1 5 0 , R B = 1 k
For the following transistor LED driver circuit,

Design a circuit for an arbitrary counter that counts in the sequence of this number " 8 numbers the big number is 9 " using j - k flip flops and explain how to do this correctly : * State Transition Diagram * State Transition Table * JK Flip Flop Characteristics * Flip Flop Transitions * K - Maps for J and K values

Sketch and label the IV curve for a pMOSFET
Sketch and label the IV curve for a pMOSFET

A pigtail is always required on a 5 0 0 0 KW generator that is not equipped with a Ground Fault Circuit Interrupter ( GFCI ) .

Problem 2 . ( 2 0 points ) Bode diagram of an open loop transfer function is given figure. Identify the
Problem 2 . ( 2 0 points ) Bode diagram of an

( b ) For the operational amplifier circuit shown below, the output saturation voltages are + - 1 5 V . Calculate the upper and lower threshold voltages for the circuit respectively. [ 5
( b ) For the operational amplifier circuit shown

( a ) Write the mesh equations in matrix form for the circuit in Figure 3 ( b ) By solving the equations in 3 . ( a ) , determine the three mesh currents
( a ) Write the mesh equations in matrix form for

Draw and explain the operation of 4 T - SRAM.

roblem Statement: ( a ) ( 6 0 pts ) Simulate the step response of the following system with K p = 5 and K d = 5 0 . ( b ) ( 4 0 pts ) Use similink to measure the overshoot, rise time, and setling time of the system with K p = 5 and K d = 5 0 .
roblem Statement: ( a ) ( 6 0 pts ) Simulate the

Help me draw please

The following drcuit has a variable resistor and a fixed load. a . Calculate the power dissipated into the Load resistor RL b . Verlify your answer
The following drcuit has a variable resistor and

Applying a lower frequency Reducing the resistance Increasing the inductance Question 1 2 Which of the following statements about AC circuits is most TRUE? In a resistor, current changes lag voltage changes In a capacitor, current changes lag voltage changes At the resonant frequency, current amplitude is at a maximum In an inductor, current
Applying a lower frequency Reducing the

The information in an analog voltage waveform is to be transmitted over a PCM system with + / - 0 . 1 percent accuracy the analog waveform has a bandwidth of 1 0 0 Hz and amplitude variation from - 1 0 to + 1 0 volts. 5 pts . ( a ) Determine the minimum sampling rate needed. 5 pts . ( b ) Determine the number of bits needed in each PCM word. 5 pts

d . 4 1 5 points ) Express the following signal in terms of step functions: u ( t )
d . 4 1 5 points ) Express the following signal

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