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Yoke deflection is a series of wire coils surrounding the neck of the picture tube (opposite the screen). Deflection yokes is use in color picture tubes like
television receiver, display device, video projector etc. The deflection yoke controls the electron beams. The yoke has four electromagnets placed equal distances from each other. The yoke can manipulate the beams, pulling and pushing it to light up areas on the phosphorous screen. The yoke actually pulls the beams from left to right on the screen in a sweeping motion. Different varieties of yokes, deflection is available for different industrial purpose.
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