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Conventional TV tube. Early television sets depended on images being built up on the screen by the deflection of electrons directed toward the screen from the rear of the tube. The figure below shows such a deflection system. The length of the plates is 3.47 cm and the deflecting electric field between the two plates is 1.10 x 10 N/C vertically upward. If an electron enters the space between the plates with a horizontal speed of 3.92 x 10' m/s, what is the vertical displacement of Ay at the end of the plates? Number Units VA charge of 23 nC is uniformly distributed along a straight rod of length 4.3 m that is bent into a circular arc with a radius of 1.3 m. What is the magnitude of the electric eld at the center of curvature of the arc? Number a Units v A proton and an electron form two corners of an equilateral triangle of side length 2.5 x 106 m. What is the magnitude of the net electric field these particles produce at the third corner? Number i Units