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Describe how three-position control might be used to cause a windmill to always face into the wind. The windmill is rotated with a bidirectional DC motor.
1- Write a function that shows you how to calculate F(x) = 0.1X^2+5Y^3 2- Read and write a File that has a set of 10 numbers. Then assign those numbers to an array.
A plane wave in air with an electric field amplitude of 20 V/m is incident normally upon the surface of a lossless, nonmagnetic medium with Xr er = 25. Determine the following: a.) reflection and t
Create a state transition diagram for a simple state machine to detect a positive pulse. You choose either a Moore or Mealy machine. Write a Verilog HDL module for your state machine.
if the equation for a mesh current is done and the current comes out negative, with the assumed clockwise direction. does that mean that the current is actually going in the opposite direction
Which is the best alternative to buying a machine assuming an interest rate of 4% and a time span of 6 years. Compare using Present Values. A: Buy new machines for $25k. They earn $5k per year an
Develop the VHDL text file for a binary down-counter to divide a frequency by 32. Use Q as the outputs and CLK as the falling edge clock input.
Design a square wave oscillator using an (ideal) operational amplifier. Verify your design with Spice-like software waveform. Specifications: peak value: ±5 V, frequency: 1000Hz, duty cycle:
A firm leases land from you for 15 years to build a warehouse. As payment you will own the building after 15 years estimated to be worth $400k however you must pay taxes and maintenance of $15k per
For a Wien-bridge oscillator (a) Given R = 50Kohm and C = 100nF what is the frequency of oscillation (b) Given a required frequency of oscillation of f = 10kHz and R = 8kohm, what should the value o
Light is incident from air to glass at Brewster's angle. Determine the incident and transmitted angles. Glass has refractive index n2=1.45.
Discuss the sequence of actions that occur in the operation of the control system for a traffic light that includes sensors in the roadbed. Indicate which actions are time-driven and which actions a
Consider a plane wave normally incident on a half-space of copper. If f=1GHz, compute the propagation constant, intrinsic impedance, and skin depth for the conductor. Also compute the reflection and
Assume CMOS inverter propogation delay is 100 pico seconds. Design a one input/ one output pulse generating circuit which will generate 600 pico seconds wide pulse at the output each time the input
Assuming that there is no frequency-dependent component of the load (i.e., D = 0), find the steady-state frequency deviation and the corresponding new generation of each unit. Use 1000 MVA as the p
A balanced D-connected load is fed by a three-phase supply for which phase C is open and phase A is carrying a current of 10<0° A. Find the symmetrical components of the line currents.
Solve for x1 and x2 in the system of equations given by x2 -3x1 + 1.9 = 0: x2 + x12 - 1.8 = 0 by Gauss method with an initial guess of x1 = 1 and x2 = 1
A 30-km, 34.5-kV, 60-Hz three-phase line has a positive-sequence series impedance z = 0.19 + j0.34 ?/km. The load at the receiving end absorbs 10 MVA at 33 kV. Assuming a short line, calcu
two metal sheets form a wedge shaped space. In cyllindrical coordinates, sheet 1 is described by (phi=0,p>0) and sheet 2 is described by (phi=30deg, p>0). A small gap at the z axis prevents th
Find the induced emf as a function of time, for a square wire loop of side length 3m, in the x-y plane with one corner at the origin, due to a changing magnetic flux density B =5xycos(10t)z ˆ W
A stepper motor is being used to move a crane. The motor has the following properties: Holding torque = 2 m.kg, dynamic torque = 1.5 m.kg, and detent torque = 0.5 m.kg. Through a 1:5 gear, the motor
a generic rectifier is supplied from a 115v 60hz ac source and operates with a firing angel of 30 degrees. For the output voltage of the rectifier find: The dc component The rms value othe ac compo
An electron q=1.602E-19 leaves the cathode ray tube (CRT) and travels in a uniform electrostatic field toward the anode, which is at a potential Va=500V with respect to the cathode. What is the work
An interconnect 60-Hz power system consist of one area with three turbine genrator units rated 1000,750,500 MVA respectively. The regulation constant of each unit is same R=0.05 per unit based on it