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An Unbiased View of arc valves

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To keep up the valve during the non-conducting condition, a unfavorable bias of some volts or tens of volts is placed on the grid. Therefore, electrons emitted with the cathode are repelled from the grid, back again in the direction of the cathode, and so are prevented from achieving the http://milohyoes.ivasdesign.com/12114169/the-5-second-trick-for-arc-valves

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