Pp Colour Tv
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Colour Television
An electron fires electrons by at the screen where The electrongun beam is deflected electromagnets theirthe kinetic energycontrolled is transferred to light and brightness by the TV signal
Viewed up close a colour TV screen is made up of red, green and blue pixels
If all three are glowing the screen is white
Red and green - no blue Yellow
Green and blue - no red Cyan
Red and blue - no green Magenta
So what is this? The French flag
Test cards are used to adjust the set Black and white lines with primary and secondary colours
An electron fires electrons by at the screen where The electrongun beam is deflected electromagnets theirthe kinetic energycontrolled is transferred to light and brightness by the TV signal
Viewed up close a colour TV screen is made up of red, green and blue pixels
If all three are glowing the screen is white
Red and green - no blue Yellow
Green and blue - no red Cyan
Red and blue - no green Magenta
So what is this? The French flag
Test cards are used to adjust the set Black and white lines with primary and secondary colours
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