Fleming discovered that if the filament is made incandescent by the current from an insulated battery there is a unilateral conductivity of the rarefied gas between the hot filament and the metal plate, such that if the negative terminal of the filament is connected outside the lamp through a coil i
rarefied הגייה עם משמעויות, מילים נרדפות, הפכים, תרגומים, משפטים ועוד