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A single phase full-wave half-controlled bridge converter feeds an inductive load. The two SCRs in the converter are connected to a common DC bus. The converter has to have a free-wheeling diode-
1) Because the converter inherently does not provide for freewheeling
2) Because the converter does not provide for freewheeling for high values of triggering angles
3) Or else the free-wheeling action of the converter will cause shorting of the AC supply
4) Or else if a gate pulse to one of the SCRs is missed, it will subsequently cause a high load current in the other SCR
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..
A 240kW 500 Volt 1750rpm separately excited dc generator has an overall efficiency of 94%. The shunt field resistance is 60ohms, and the rated current is 5amps. The I^2R loss in the armature is 0.023pu.
An engineering statistician wants to conduct a test to determine if there is a difference in the compression strength of two different manufactures of reinforced concrete columns.
Use MATLAB to obtain a Bode plot of the transfer-function magnitude for R1 = 9 k Ω, R2 = 1 k Ω, and C = 0.01μF. Allow frequency to range from 10Hz to 1MHz.
Assume 7 classes, with a class interval width of 4, and plot the data. Note that the resulting curve is essentially an experimental observation of the underlying probability distribution. What type of distribution does it appear to be?
Determine the surface charge density on each conductor.
What kind of wireless networking alternative makes the most sense when considering network links that span an appreciable portion of the globe?
When a cloud passes over a certain spot on the surface of the earth a vertical electric field of E = 100 V/m is recorded there. The bottom of the cloud is a height d = 300m above the earth and the top of the cloud is 600m above the ground.
Work out the following problem: If the analog signal to be quantized is a sinusoidal waveform, that is, x(t) = 6 sin (6283t), and if the bipolar quantizer uses 8 bits, determine 1. Number of quantization levels; 2. Step size of the quantizer ; 3. ..
What electric field will you need in order to produce zero deflection of the electrons as they travel through the apparatus?
consider the (100),(110), and (111) planes in silicon. (a) which plane has the highest surface density of atoms. what is that density. (b) which plane has the smallest surface density of atoms. what is that density.
design a third-order butterworth highpass filter with fc100 hz and high frequency gain of 20 db using the standard
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