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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.
Applications of Semiconductors Integrated circuits (ICs) SSI, MSI, LSI, and VLSI. Fluorescent materials used in TV screens II-VI (ZnS). Light detectors InSb, CdSe, Pb
what is aphasor
The circuit shown below is a DC charging and discharging circuit. a. At t = 0 sec, switch S1 is thrown to position 1 ("pos1"). Write the mathematical expressions for and .
Cointruct and simulate using multisim software a series voltage regulator to supply 1A to a load at a constant voltage of 9V. The supply voltage to regulator is 15V±10%. The minimu
OBJECTIVES OF NEP: Access to Electricity for whole households within the next five years. Availability of Power to be ensured to meet the demand through 2012. Pe
Q. What do you mean by Inaccessible area coverage? Marshy lands, hilly areas, etc where ground surveys could be very difficult, remote sensing technique can provide reliable an
Magnetic materials (A) provide path to magnetic flux. (B) are good insulators. (C) are semiconductors. (D) None. Ans: Magnetic materials provide path to
Q. A single-phase, 10-kVA, 2300:230-V, 60-Hz, two-winding distribution transformer is connected as an auto transformer to step up the voltage from 2300 V to 2530 V. (a) Draw a s
1. Sum of forces is zero velocity remains constant.[If the particle is initially at rest, it will remain at rest for as long as the sum of the forces is zero]. 2. Sum F of for
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