Предмет: Физика, автор: Bogatir75

які частинки проводять струм газів

Ответы

Автор ответа: ggf46

Іонізація може виникнути також у сильному електричному полі, або ж за рахунок зіткнень із прискореними носіями заряду (ударна іонізація). Додатковим джерелом носіїв заряду може бути поверхнева іонізація, наприклад термоелектронна емісія з катоду.

При малих зовнішніх електричних полях провідність газів зумовлена зовнішніми джерелами іонізації. Розряд, який виникає в таких умовах, називають несамостійним розрядом.

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