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The Signal power to noise power ratio is an important measure of the transmission quality of any channel. If at the receiver there is a 12 dB signal to noise ratio and the received signal power is 5
Discuss different applications that could use non-inverting and inverting amplifier circuits. Will the actual op amp characteristics cause any challenges if used for each application
How could risk management have aided in the development of the common What are the elements of direct labor costs and how should they be computed Explain the difference between recurring and nonrecur
Assume the average energy density of sunlight to be 800 w/m^2 ---and the overall photovolatic system efficiency to be 10 percent. Calculate the land area covered with photovolatic cells needed to pr
Fuel cell systems that also utilize the heat produced can achieve efficiencies approaching 80 percent , more than double of the gas-turbine based electruiical generation . Assume that 25 million ho
the total amount of electricity that could potentially be generated from wind in the U S has been estimated at 10.8*10^9 Mw-hr annually , if one tenth of this potential is developed, estimate the nu
induction cooking based on power electronic is estimated to be 80 percent efficient compared to 55 percent for conventional electric cooking . if an average home consumes 2 kw-hrs daily using conven
A half wave dipole antenna is operating in air at a frequency of 100 MHz. At a distance of 1000 km and at an observation point ? = ?/2, electric field strength is measured to be 5 µV/m. Calcul
A calibrated RTD with alpha = 0. 0041 / degree C, R = 306. 5 ohm at 20 degree C, and PD = 30 mW / degree C will be used to measure a critical reaction temperature. Temperature must be measured betwe
Compute the first 10 samples of the step response for the nonrecursive difference equation: y(n) = x(n) -0.5x[n-1]-0.7x[n-2] Indentify which of the following filters are recursive and which are nonrec
Using MultiSim (I am somewhat familiar with this program), connect the circuit drawn in Step 1 using AND gates, NOR gates, and inverters. Connect a logic switch to each input and an LED monitor to t
Design a circuit that might be used as a trigger for a night-light. You are given a photoresistor whose resistance changes from 5k when inside a lighted room to 30k in a dark room. Design a voltage
1.For an impedance equation, such as 15ohms + j60ohms, explain the steps to determine equivalent series and parallel circuits. 2.For a given parallel RC or RL circuit, explain how admittance, current
A three-phase, 400 V system has the following load connected in delta: between the red and yellow lines, a non-reactive resistor of 100; between the yellow and blue lines, a coil having a reactance
Analog to Digital Converters The input signals of an (10bits) ADC are from -1Volt to +1Volt. a) What is the rage of the converters b) What is the resolution c) What is the precision What is the value
A permanent magnet dc motor is delivering zero torque when it runs at 1800 rev/min and has 50 V dc applied to its terminals. The armature resistance is 2.0 ohm. What current will the motor need in o
A ‘c-core' inductor has a total air-gap length of 3 mm and a cross-sectional area of 100 cm2. Two coils are wound on the core - one of 500-turns and another of 250-turns. Assuming the iron rel
A 100 mile , 300kV, 60Hz transmission line has a reactance of 0.8 ohm per mile and a distributed capacitance of 200,000 ohms per mile. Draw a equivalent circuit phase at the sender end when the rece
how does the D'Arsonval movement work with voltmeter and ammeter i know how to design the cicuits but a little more of how the movement actually work in both cases. like for the ammeter the reason t
assume QPSK is the modulation method used in a digital communication system.The communication system requires minimum bit error.what is the acceptable bit error assuming additive white gaussian nois
A control system is needed to control a small shopping center parking lot lighting system and the exterior lighting for the building. The design specifications require that the parking lot lighting
Create a Ladder program for this washing machine would have a fill cycle to one level, a 10 second wash cycle, a 10 second rinse cycle and then drain. Include a start button, low level switch, high
(a) If a motor at the end of a transmission line has a reactance of 8 ohms per phase, what is the maximum power which the machine can develop, given that the sender voltage is 4kV and the induced vo
(a) If the excitation volatge Eo is equal to the terminal voltage ( 4kv ), what is the maximum real power which the motor can deliver without losing synchronism (b) What is the rotor pole shift in e
The transfer function of a circuit is given by H(s)=2 s+4/4s^2+2s+2 a. Express the transfer function in a form in which the coefficients of the highest power of s are unity in both numerator and den