EntityQ1041881· pop 14· linked from 47 articlesTownsend dischargeSign in to savegas ionisation process where free electrons are accelerated by an electric field, collide with gas molecules, and consequently free additional electronsConnectionsionEntitycosmic radiationEntityphotoelectric effectEntityionizationEntitygas-filled tubeEntityBerlinEntityNew York CityCityatomEntitymoleculeEntityelectronEntitygasEntityInternational Standard Book NumberEntityHeidelbergEntityatmosphere of EarthEntityX-rayEntitymagnetic fieldEntityelectromagnetismEntitydistanceEntityvoltageEntityelectric fieldEntityCategoriesElectrical discharge in gasesElectronIonizationIonsMolecular physics