Youre working on the design of an ink-jet printer. Ink drops of mass m, speed v, and
Chapter 20, Problem 79(choose chapter or problem)
Youre working on the design of an ink-jet printer. Ink drops of mass m, speed v, and charge q will enter a region of uniform electric field E between two charged plates (Fig. 20.35). The drops enter midway between the plates, and the electric field deflects them toward the correct place on the page. Find an expression for the maximum electric field for which drops can still get through without hitting either plate.
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