Physics, 25.07.2019 19:20 raishagibson
In order to create a corona discharge region with radius r=5.0rb, what potential difference v should be applied between the precipitator's inner and outer conducting cylinders? [besides dissociating air, the charged inner cylinder repels the resulting positive ions from the corona discharge region, where they are put to use in charging dust particles, which are then "collected" on the negatively charged outer cylinder.]
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