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How does a television control the electron beam that is continuslly scanned across and down the screen?
Wiki User
∙ 13y ago
it uses four electromagnets, two for up and down and two for right ang left. these electromagnets increase and decrease power between them to move the electron beam around. depending on which electromagnet has how much power the electron beam will move towards it at that amount, upper magnet for how high the right magnet for right left for left down for down, i thing they all have to be on at all times to balance the beam with the the magnet opposeing its direction. the electromagnet is around a circle ferrite core in front of the electrongun. the electromagnets change their power ratio between each other thouands of times a second i think
Wiki User
∙ 13y ago
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