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Consider a half-wave rectifier circuit with a triangular wave input of 5-V peak to peak amplitude and zero average, and with R=1kΩ. Assume that the diode can be represented by the constant-voltage-drop model with Vd=0.7V. Find the average value of vo.
a) Assume B1 = ax2 - ay10(mT), find B2 and the angle that B2 makes with the interface. b) Assume B2 = ax10 +ay2(mT), find B1 and the angle that B1 makes with the normal to the interface.
find the series element or elements that must be in the enclosed container to satisfy the following conditions. a. average power to circuit = 300W b. circuit has a lagging power factor
1. A 240 dc motor takes an armature current of 20A when running at 960 r/min. The armature resistance is 0.2ohm. Determine the no load speed, assuming negligible losses. 2. A 220 dc shunt motor has a srmature resistance of 0.3ohm.
Design the electrical system for a shopping center with 500,000 square feet at least 30 spaces of three different sizes (5,000, 10,000 and 25,000 sf). They may be offices, banks, restaurants and shops.
For what range of values of a is the system stable?
A uniform plane electromagnetic wave propagates in a lossless dielectric medium. The electric field in the wave has the instantaneous expression E(z,t) = iy 3 sin(3pi.109t + 100piz 600), V/m. i) What is the frequency of the wave in Hz
Sometimes the partial fraction expansion is not neede in finding the inverse Z-transform -instead the properties of the transform can be used. Consider the function F(z)= (z+1)/z^2*(z-1)
The unknown input impedance of a horn antenna operated at a frequency of 300MHz is measured using a slotted transmission line and a Smith Chart. When the antenna is connected to the slotted line, the VSWR on the line is measured to be 4
What is the path attenuation between transmitter and receiver at a frequency of 1.2 GHz and a distance of 11,000. Given: f = 1.2GHz d = 11,000 mi. Calculate the path attenuation; dB = 37dB + 20 log f + 20 log d = 37 + 20 log 1.2^9 + 20 log 11,000
Each of the protons in a particle beam has a kinetic energy of 3.30 10-15 J. What is the magnitude of the electric field that will stop these protons in a distance of 1.05 m
Consider the function F = x · y + x(not) · z. a) Expand the function to its canonical or standard sum of products (SOP) form. b) Express the function in its canonical or standard product of sums (POS) form.
A TTl gate with VIH (min) = 2.25 V and VIL (max) = 0.65 V is being driven by a gate with NOH (min) = 2.4 V and VOL (max) = 0.4 V. What is the maximum amplitude of noise spikes that can be tolerated on the inputs in both the HIGH and LOW states
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