Direct current: myths what they are called⚡ (video for high schools and universities)
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🌌 In the video, we will clarify what really happens in a conductor when a direct current flows through it. Forget the outdated ideas and take a look at the facts: 🔍 Myth No. 1: The current flows from the positive pole to the negative (let's not discuss agreed conventions) – The reality is the opposite! Electrons move from the negative pole to the positive one. 🚀 Myth #2: Electrons move at the speed of light – Electrons actually have a drift speed in the order of millimeters per second, and only the electric field that sets the electrons in motion travels fast. 🔥 Myth No. 3: Electrons are consumed in the appliance - Electrons are not consumed in the appliance. They just transmit energy, which turns into heat or light, for example. What is the mechanism behind all this? Electromagnetic field! It is what transfers energy from the source to the consumer. The current in a conductor does not behave like the flow of water in a garden hose. The key driver is the internal electric field. If you want a detailed explanation supported by simulations and theory, take a look at the video. You'll get a clearer picture of how electric fields and electrons work together to create light or heat. 💡 Don't forget to subscribe for more insights into the fascinating world of physics! 📎Useful links: 🌐surface charge density gradient: • SurfaceCharge 🌐surface charge density gradient: • Surface charges on a simple circuit 🌐what drives electrons: • Lecture 14 What Pushes Electrons Arou... 💬 We will be happy to answer all your questions in the discussion below the video ! 👍 If you liked the video, give us a thumbs up! 🔔 Don't want to miss another great video? Then click subscribe and the bell! -------------------------------------------------- -------------------------------------------------- ---------------- 🔗 KEEP IN CONTACT WITH US: ▶ Follow us on YT: / @hi_fyzyko ▶ Follow us on IG: https://instagram.com/hi_fyzyko?igshi. .. ▶ Follow us on FB: https://www.facebook.com/profile.php?... ------------------------- -------------------------------------------------- ----------------------------------------- 🔍▶ Video Navigation: 00:00 Introduction . 00:15 Myths about electric current. 01:00 Electron gas. 02:34 Conversion of electrical energy into another form of energy through free electrons. 05:00 Surface charge. 06:58 Electric field propagation - electric current propagation. 09:52 Gradient of surface charge density - formation of driving electric field. 11:15 Recap. #StejnosmernzProud #Elektrina #FyzikaProStudenty #VedaProKazdeho #Electromagnetismus #MytyVeFyzice #FyzikaBavne #VedaNaStredni #TechnickaFyzika #ElektrickePole #Education #FyzikaJednoduse #ForMiddleschoolers #ForHighschoolers
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