ФІЗИКА 11 КЛАС | Урок 9 | Електричний струм у вакуумі. Електровакуумні прилади

As we know, for electric current to exist, free carriers of electric charge are necessary. What is a charge carrier in a vacuum? The purpose of the lesson: to explain the nature of electric current in a vacuum; to clarify the concept of an electron beam and to familiarize students with the types of emission, the main properties of electron beams, the structure, principle of operation and application of a vacuum diode, a cathode-ray tube. eMathematics Development of critical and logical thinking, memory and attention through individual, qualitatively progressive and exciting online lessons in mathematics, algebra and geometry from eMathematics: https://www.emathematics.com.ua ePhysics Complete physics lessons, including a summary, presentation, additional video materials, interactive, testing and homework from ePhysics: https://www.ephysics.com.ua Follow the news and open content on social platforms! TikTok:   / e.mathematics   Instagram:   / emathematics.school   Facebook:   / emathematics.school   #ElectricCurrent #CurrentInVacuum #ElectroVacuumDevices #physics #mathematics #algebra #geometry #education #lessons #MathematicsLessons #AlgebraLessons #GeometryLessons #PhysicsLessons #classes #school #Homework