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Given a circuit description such that count the number of cars in the traffic junction.the traffic light red signal should always be on,but get off when green light is on.Green signal is on for time equal to the number of cars.For example,if 3 is the number of cars,green signal should be on for 3 sec.
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.
design a decimal adder for digits represented in the excess-3 code. Show that the correction after adding two digits with a 4-bit binary adder is as follows (a) The output carry is equal to the carry from the binary adder
The built-in voltage of a GaAs pn junction diode is 1.25 V when the diode's temperature is T = 320 K. The cathode region of the diode is doped with phosphorus at a concentration of 1017 cm-3. Determine the required doping concentration in the anod..
A single phase 1750 RPM moter operating at rated power has a power factor of 0.75 lagging. the line voltage is 208 VAC @60 Hz and the line current is 27A. Assuming 83% is a reasonable efficiency for moters of this size
how can you build a selective gate? using a presettable divide-by-n counter and a gating circuit that will gate the
1. (35) Two unlabeled boxes contain KCl and CsCl for analysis using XRD. The diffraction maxima are observed from the (111) planes, using X-rays of wavelength 0.0862 nm. a. What is the diffracted beam angle, q (with respect to the plane) for b..
Write a report specifically for optical fibre relay protection system.
initially at a temperature of 17c and a pressure of 100 kpa air occupies a volume of 3.0 m 3 in a rigid vessel.a valve opens allowing air at 600 kpa and 17c to enter until equilibrium is reached final temperature is found to be 77c
A compact disk (CD) records audio signals digitally by using PCM. Assume that the audio signal bandwidth equals 15 kHz. If the Nyquist sample are uniformly quantized into L=65,536 levels and then binary-coded.
Write Truth Table of a Half Adder with inputs A and B and output Sum and carry. How many 2-input NAND gates are required to realize this function. If a ROM is used to realize this function what is the size of ROM
The mobile phone used has effective area of 3m^2 and good signal reception required receiving power of 1mW. -Calculate the receiving power of mobile phone A and mobile phone B. -Which mobile phone has good coverage
a beam of polarized light of intesity I0 passes through a sheet of ideal polarizing material. The polarization axis of the beam and the transmission axis of the sheet differ by 30 degrees. What is the intensity of emerging light
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