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The magnetic field produced in the air gap of an induction motor by the stator windings is given by B=Bm cos(wt-2theta) in which theta is angular displacement in the counterclockwise direction as il
In designing a low-pass filter for an audio system, the filter stop band attenuation must be at least 40 dB at a frequency that is 2 times the passband frequency. The attenuation in the passband mus
Use Active HDL to show a timing diagram showing the inputs, outputs, and state (including last A) of the VHDL state machine of the attached design and bench test
Assume that the cruise control system of an automobile analyzes the speed and the acceleration of the vehicle to operate. To transmit this information to the cruise control unit, an analog computer
a)Design the corresponding scrambler. b)Design the corresponding descrambler. c)Determine the output sequence T. d)Verify that if this T is applied to the input of the descrambler, the output is the s
The flip-flop input excitation equations are as follows: JA=XQ'B; KA=X'; JB=XQA; KB=X'Q'A The output equation: Z=XQAQB 1. Draw the circuit diagram 2. Obtain and simplify the flip-flop characteristic e
Explain Systematic Errors and Random Errors with suitable a case study for each error. Briefly comment on your answer based on your explanation.
In the digital communication link the data rate is 500 kb/s. The modulator generates the binary FSK signal. a) Determine the transmitted bandwidth if the difference between two frequencies fc1 - fc0 =
The data rate of m4(t) is 16 kbps and m5(t) is 16 kbps too. The analog signals are to be sampled at rates no less than their respective Nyquist rates, then converted to the PCM format with 4 bits fo
However, the pump requires 60 W of parasitic power to operate continuously. Is installation of the pump justified. Explain. At what value of parasitic power does the addition of the pump become unj
A current sheet with K = 10a A/m lies in free space in the z = 2m plane. A filamentary conductor on the x-axis carries a current of 2,5 A in the a direction. Determine the force per unit length on t
Analyze heat lost from a 6-inch OD steam line. The line carries high-pressure steam throughout the factory at 400 psi, 400 oF. Specify type and thickness for insulating the steam line.
Analyze a drier that reduces the moisture content of bentonite from 11% (bone dry basis) to 4% bdb. Assume the plant processes 100 tons/day is a gas fired rotary kiln
An op-amp has a single-pole, open loop response with the dc open loop gain of A0=20,000 and the pole frequency at fp=40 Hz. A. If this amplifier is connected as a non-inverting amplifier configuration
A current generated in the stack and a stack voltage of 6.0 V. As an engineer, you have a choice to install a recirculation pump to recycle the unused hydrogen from the anode exhaust back into the a
Find the magnitude of the current density in a sample of silver for which σ=6.17x10^7 S/m if: a) The electric field intensity is 1mV/meter. b) The same is a cube 2.5mm on a side having a voltage
desgin a four-bit combinational circuit 2's complenmter.(the output generate complement of the input binary). then construct truth table for the input and correspondinf output. use kmap to find each
A coaxial line consists of inner and outer conductors made of copper and having radii of a = 0.65 mm and b = 2.75 mm. The space between the conductors is filled with polyethylene (er=2.25). Find the
An RLC series circuit has an inductance L = 0.02H, a resistance 40 ohms, and a capacitance of 5(10)^-5 farads, and a constant voltage E(t) = 40 volts. Find the current I(t) if I(0) = 0 and Q(0) = 0
A mealy sequential circuit has one input (x) and one output (z). z can be 1 when the fourth, eighth, twelfth, etc. inputs are present, and z=1 if and only if the most recent input combined with the
A 74.6-kW, three phase, 440-V (line to line), four pole, 60-Hz induction motor has the following (per phase) parameters referred to the stator circuit: Rs=0.06-Ω, Rr=0.08-Ω, Xs=0.3-&Omeg
npn transistor has a CBJ with area 150 times that of EBJ. If Is= 5 x 10^-15 find the voltage drop across EBJ and CBJ when each is forward biased and conducting a current of 1mA. Also find the forwar
Common drain amplifier config. uses NMOS device with a nominal load of 2kΩ. If gain of amplifier is 0.90 V/V, what is output resistance. If device has k'n W/L=8mA / V2, what is the bias drain
1.) What is used by the 32Bit STOS instruction to locate the destination location in memory 2.) What 32bit register is changed by EVERY instruction 3.) What is the register is the lowest byte of the D
A source emits seven messages with probabilities 1/2, 1/4, 1/16, 1/32, 1/64, 1/128, and 1/128 respectively. Find entropy of the source. Encode this source using tartary Huffman coding, that is, encodi