Решение задачи по физике раздел 39 пункт 37 электро

37. In a plant for dedusting air passed through the metal tube, which extends along the axis of steel wire. The wire is connected to the net, and the pipe plus the generator voltage is applied to a few tens of thousands of volts. How will behave motes: a) charged negatively or positively? b) uncharged?

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