Sunday, April 3, 2016

If you lived in an area that supplied 70 cycles power, your CRT would most likely refresh how many times per second & trace how many raster lines on the screen each cycle?

Since the sweep generator is directly regulated by the frequency of its power source, the screen would refresh  70 times per second. The number of scan lines generated is independent of the power source frequency and would therefore be unaffected. 
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