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We have a load with an impedance given by Z=30+j40 ohms. The voltage across this load is V =1500sqrt(2)<30degrees V. Is the load inductive or capacitive? Determine the power factor, power,reactive power, and apparent power delivered to the load.
What are two types of variables that can be used for values that exceed 256, and describe what is the difference between the variables, how to declare them and the memory allocated, and the numerical range for both.
When a square wave with a fundamental frequency of 2khz and amplitude 5v and comprised of up to five odd harmonic (each successive odd harmonic having half the amplitude of its predecessor) is passed though a standard telephone line of bandwidth o..
A parking lot has 1000 spots. The automated entry / exit system allows maximum 5 percent more cars to enter the lot to minimize congestion. What should be the size of the counter to keep track of the number of cars in the lot
Write a function 'charges' that computes the total charge for a customer based on the GB of data the user uses per month. The function should also calculate the average cost per MByte of data (rounded to the nearest cent).
A digital communication system employs differentially encoded BPSK modulation scheme with non-coherent (differential) reception. If the Eb/N0 is 8 dB, what is the probability of bit error for the system
Design an op-amp astable multivibrator to have an output frequency of 400Hz and the frequency should be adjustable by plus or minus 20%. Use a 741 op-amp with supply of plus or minus 18 volts.
illustrates how the forces can vary in problems of this type. A hiker, who weighs 739 N, is strolling through the woods and crosses a small horizontal bridge. The bridge is uniform, weighs 3250 N, and rests on two concrete supports
A 3 phase, 208V, 4 pole, 60Hz, Y connected synchronous generator has a synchronous reactance of 8 ohm. Assume the resistance of this generator is negligible. The machine terminal voltage is maintained constant at 208V (line to line).
Assume the initial state is unknown past with (z = 0). Implement the design in "Logicworks" and test for the properfunction. Use a binary switch to simulate the input. The output maybe implemented with a binary probe or an LED.
The machine takes three inputs in addition to the clock: countup, countdown, reset. The count advances by 1 when countup=1, decreases by 1 when countdown=1, and goes to 0 when reset=1. The output o1=1 when the count reaches 3.
Give a narritve for a cruise control system of a car. Include all relevant inputs and outputs. Design a flowchart and ladder diagram. Every element on the ladder diagram must be labelled and described.
Calculate the minimum PWM frequency for a small permanent magnet DC motor with a time constant of 15 milliseconds.
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