From Wikipedia, the free encyclopedia
U elektromagnetizmu Poyntingov vektor predstavlja snagu elektromagnetskog polja po jedinici površine, a mjerna jedinica mu je W/m2. Poyntingov vektor se definira kao:
gdje je:
Poyntingov teorem pokazuje da tako definirani Poyntingov vektor zaista predstavlja snagu elektromagnetskog polja po jedinici površine.
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.