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Q. Explain Cathode-ray tube?
While the CRT display is one of the oldest, it still remains one of the most popular display technologies. The raster-scanned display devices work similarly to commercial television sets, whereas graphics display devices use different technologies to achieve extremely high resolution. A CRT video signal has only two levels, with a 0 level causing a dark spot and a 1 level causing a bright spot. The appropriate combination of 1s and 0s displays data on a CRT screen, with each character displayed by dot-matrix displays, typically in 5 × 7or7 × 9 display fonts.
Q. The magnetization curve taken at 1000 r/min on a 200-V dc series motor has the following data: Field current, A: 5 10 15 20 25 30 Voltage, A: 80 160 202 222 236 244 Th
Time constant Time constant, defines as time for current achieve maximum (IM) if this maintain the early promotion rate current.
Compare the application of CO 2 and Nd :YAG Laser for cutting operation. Define with a neat and clean diagram the construction features of ‘electron gun' used for preparing an
If the message has a spectrum where K and Wf are positive constants, sketch the spectrum of a standard AM signal that uses the message. Comment on the physical signi?cance
Consider the common-emitter BJT circuit shown in Figure (a). The static characteristics of the npn silicon BJT are given in Figure (b) along with the load line. Calculate iB for v
what ie the use of mutual inductance in a hartley oscillator
what are measuring devices?
Find the Fourier series as far as the third harmonic, to represent the periodic function y, given by the values in the following table. x 0 o 30
HOW TO DESIGN
an example and code for bargaining problem
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