From this video lesson you will learn: how to understand the concept of work and power of electric current along with their units, how to convert electric energy expressed in kilowatt-hours to joules and vice versa, into what forms of energy electric energy can be converted, what are the sources of electric energy and its receivers. You can find a more sophisticated version of this video lesson on the Pi-stacja portal: {{ https://pistacja.tv/film/fiz00043-pra... }} film in MP4 format for download to disk board with summary in PDF exercises: check if you understand (soon) subtitles for the deaf in SRT (soon) interactive test for the playlist: test your knowledge of the topic (soon) link to the core curriculum additional materials that you may want to use ON PISTACJA.TV EVERYTHING IS FREE If you like it and find it useful, give it a like and subscribe. Thank you! PLAYLIST This video lesson is part of the playlist [ Electric current ]: {{ https://pistacja.tv/wideolekcje/fizyk... }} {{ • Electric current }} From this playlist you will learn how electric current flows, what voltage and current intensity are, and how to measure them. You will learn how to build electric circuits, what they consist of, and how to present this information in diagrams, as well as what resistance is, how it is determined, and what values ​​it depends on. You will also learn how to calculate the work and power of electric current. You will learn the principles of safe use of electricity. ALL RESOURCES All video lessons and other educational resources can be found on the Pi-stacja portal: {{ https://pistacja.tv }} PI-STACJA PROJECT Our goal is to equalize students' opportunities by providing access to good quality educational materials that can be learned anywhere, anytime. If someone cannot afford paid tutoring, our free, engaging videos are the best alternative. We provide our recipients with high-quality, free educational materials that can be used to learn anywhere, anytime on a computer, tablet or mobile phone. Like us on Facebook: {{ / pistacjamatematyka }} AUTHORS OF THIS VIDEO LESSON Katalyst Education Foundation {{ http://katalysteducation.org/pl/nasz-... }} Tutor: Dobrawa Szlachcikowska Consultation: Anna Soliwocka Summary graphics: Patrycja Ostrowska Materials: Dobrawa Szlachcikowska Animations: Patrycja Ostrowska Sound design: Aleksander Margasiński Editing: Małgorzata Załoga Subtitles: Klaudia Abdeltawab, Татьяна Кравец MATERIALS USED freepik (Freepik License) https://www.freepik.com/free-vector/f... freepik (Freepik License) https://www.freepik.com/free-vector/p... freepik (Freepik License) https://www.freepik.com/free-vector/c... Michal Jarmoluk (Public Domain) https://pixnio.com/pl/wnetrze-zewnetr... krzys16 (Pixabay License) https://pixabay.com/pl/videos/ciasto-... Coverr-Free-Footage (Pixabay License) https://pixabay.com/pl/videos/kawy-od... sutulo (Pixabay License) https://pixabay.com/pl/illustrations/... Emilioamador16 (Pixabay License) https://pixabay.com/pl/videos/praca-z... cottonbro (Pexels License) https://www.pexels.com/video/a-woman-... NickyPe (Pixabay License) https://pixabay.com/pl/photos/robot-k... klimkin (Pixabay License) https://pixabay.com/pl/videos/gniazdo... GDJ (Pizza License) https://pixabay.com/pl/vectors/ptaki-... Pressmaster (Pexels License) https://www.pexels.com/pl-pl/video/32... ... (These are only some of the sources. All on the lesson page on pistacja.tv.) © Pi-stacja / Katalyst Education. This film is licensed under a Creative Commons Attribution-Noncommercial-ShareAlike 4.0 International License (https://creativecommons.org/licenses/.... You may use this film only as a whole, without separating it into individual components. It is prohibited to cut, download, modify, edit and change the components of the film (e.g. graphics, texts, sounds, logos). The CC BY-NC-SA 4.0 license does not cover the use of the components of this film in derivative works. If you want to use this film in your non-commercial project, do not forget to credit its authors: Pi-stacja / Katalyst Education. ID: plfiz010 / fiz00043