RUBY CHAUDHARY



INTRODUCTION
Invented by German scientist Karl Ferndinand Braun in 1897.
He introduced CRT with Fluorescent screen and named it as CRO.
Consist of Cathode Ray Tube(CRT)

CRTs operates well in voltage range of 2-5 kv

Popular instrument to show time, voltage both DC and AC. Shows Volts / Time.
Display waveforms.
Opetares on Voltages.
Very fast X-Y Plotter
Movement of luminous spot in response to Input Voltage traces waveform w.r.t Time .

Cathode Ray Oscilloscope
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CEILING FAN OBJECTIVE : To study the working, construction And troubleshooting of Ceiling Fan
2. INTRODUCTION A ceiling fan is a device suspended from the ceiling of a room, which employs hub- mounted rotating paddles to circulate air. First electrically powered fan was invented in 1882 by Philip Diehl. Crompton Greaves Ltd is the leading manufacturer of fans.
3. PRINCIPLE If a current carrying conductor is placed in a magnetic field it experience a force and start to rotate. The direction of rotation can be found by Fleming s Left Hand R ....etc

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Introduction

The earliest version of the CRT was invented by the German physicist Ferdinand Braun in 1897 and is also known as the Braun tube. It was a cold-cathode diode, a modification of theCrookes tube with a phosphor-coated screen.

A cathode ray tube is a vacuum tube which consists of one or more electron guns, possibly internal electrostatic deflection plates, and a phosphor target. In television sets and computer monitors, the entire front area of the tube is scanned repetitive ....etc

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constuction and working principle of megger test for motors
construction and working principle of megger

constuction and working principle of megger test for motors
construction and working principle of megger
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More and more people like me prefer to enjoying Blue-ray DVD and HD DVD , M2TS for their high quality of the images and good sound effect . But not all such files can be played on any player .
However ,recently I found a fantasy Blue-ray Converter called 4Videosoft Blu-Ray Converter .
It is a professional Blu-Ray DVD Converter and M2TS file converter which provides the ideal solution for you to convert Blu-Ray and M2TS file to HD video and Apple TV h.264 720P, HD WMV and popular video formats like AVI, MPEG, WMV, DivX, MP4, H.264/AVC, RM, MO ....etc

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To get full information or details of construction automatic voltage regulator please have a look on the pages

http://seminarsprojects.net/Thread-automatic-voltage-regulation-technology

if you again feel trouble on construction automatic voltage regulator please reply in that page and ask specific fields in construction automatic voltage regulator ....etc

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plz send me a readymade animated ppt on working of a cro ....etc

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Cathode Ray Oscilloscope

Information given by oscilloscopes

Time and voltage
Frequency and phase
DC and AC components
Rise and fall time
Mathematical analysis ....etc

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Cathode ray oscilloscope: Cross ray oscilloscope, ie CRO is an instrument used to test and observe the constantly changing signal voltages. Usually, it gives a two-dimensional frame of one or more parallel signals as a function of time. CRO device has many applications mainly in electronics and electric. The cathode ray oscilloscope has fast processing and traces the X-Y pattern at a very fast rate.In fact, the cathode ray oscilloscope is very fast X-Y plotters that can display an input signal as a function of time or other signal.
CRO Princi ....etc

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