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a three- wire system has a balanced Y- connected load with a75-Ω resistance, 125- mH inductance, and 55-μFcapacitance in series from each line to the neutral point. assuming positive phase
The donor ground states for tellurium in GaAs are 5.9 meV below conduction band (there are 2 of them because of spin). Atroom temperature (300 K), what is probability that a given ground state is o
What characteristics of CMOS devices make them a desirable digital logic technology to use in portable electronic devices, such as MP3 players What device properties influence the operating speed a
A full-wave silicon rectifier is used with a power transformer to generate the DC output voltage for a low current application. Assuming the storage capacitors are sufficient to eliminate power sup
Although this forms PNP and NPN transistors, the bias of the regions is designed so the junctions are reverse biased and the electric field effects on the channel are supposed to control the MOS-FET
The input voltages are inthe range of a few micro volts. Contrast the utility of a BJTversus a MOS transistor for this input stage. How would your choice be different if the application were for a l
Using the devices above, please construct the 555circuit. use circuit-building software you want andmeasure and record the frequency and the duty cylcle of theoutput. Also, include the pictu
A 19.0 k resistor and a capacitor are connected in series and then a 16.0 V potential difference is suddenly applied across them. The potential difference across the capacitor rises to 12.00 V in 1.
In an ideal diode, once it is conducting in the forward direction, the voltage across the diode remains constant no matterhow the current throught it changes. a) What is the effective resistance of
Construct aCapacitor You are asked to construct a capacitor having a capacitance near 1 nF and a breakdown potential in excessof 10,000 V. You think of using the sides of a tall Pyrex drinkingglass
A single phase 50 Hz source supplies power with the impedance of0.185 + j0.321 ohms. The terminal voltage of the motor is 230 V.The power drawn by the motor is 5 kW at a power factor of 0.7lagging,
Using the convolutional code and Viterbi algorithm, assuming that the encoder and decoder always start in State 0,determine: a) The output string generated for the input: 00101101 b) In which state is
Calculate the average power of this periodic signal. Find thediscrete Fourier series for x[n]. Calculate the average power from the cofficients ak A periodic signal x[n] has period N = 2. One period o
(a) Determine the Fourier series coefficients of x(t) (b) Determine the Fourier series coefficients of y(t) (c) Determine the Fourier series coefficients of z(t) through direct expansion of z(t) in tr
A permanent magnet DC motor has an armature circuit resistanceof Ra = 0.4Ω, a motorconstant KE = KT = 0.5 in MKS units, a motor intertiaof JM = 0.02Kgm2, and a maximum armaturecurrent I
Design a CE amplifier with gain of 10 using a 2N3906 transistor and a 20V power supply. Calculate the required resistor and capacitorvalues for the circuit, assuming a minimum frequency of 10 Hz.
A square in the x-y plane in free space has a point charge of+Q at corner (a/2, a/2), the same at corner (a/2, -a/2), and apoint charge of -Q at each of the other two corners. (A) Find the electrica
Describe the operation of the transmission gate. Consider the source and drain terminals of both the NMOS and PMOS devices. Why not use two NMOS devices Does it pass analog or digital signals
A coil of wire would around a toroid. The core has a length of 12.5 cm, a cross sectional area of 8cm2, and a relative permeability of 200. Calculate the equivalent reluctance of the core.
An ideal 3 phasemachine runs at 1800 RPM with a torque or 20 Nm. It is connected to a 220 V line-to-linesource and draws a current of 14 A. Determine the power factor and the per phase magnetizing r
To what voltage must the capacitor becharged. (One horsepower is equivalent to 745.7 watts.) Does this seem to be a practical method for storing this amount of energy. Do you think that an electric
Nine identical wires, each of diameter d and length L, areconnected in series. The combination has the same resistance as a single similar wireof length L but whose diameter is
A 65volt neon lamp is connected across a 8h coil with aresistance of 275. When the coil's field collapses, a 6k resisteris inserted into the circuit in series with the coil. The source is 25 volts D
Each limit switch has one normally open, NO, contact and onenormally closed, NC, contact. Two control relays, CR1 and CR2, areused in the gate control circuit. These relays have two NO contactsand t
A proton moving with a speed of (2*106)m/s through amagnetic field with a magnetic flux density of 2.5T experiences a magnetic force of magnitude4*10-13 N. What is the angle between the magnetic field