{"id":43400,"date":"2023-12-09T15:34:24","date_gmt":"2023-12-09T15:34:24","guid":{"rendered":"https:\/\/science-hub.click\/%E9%9B%BB%E6%B5%81%E5%AF%86%E5%BA%A6%E3%83%99%E3%82%AF%E3%83%88%E3%83%AB%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6%E8%A9%B3%E3%81%97%E3%81%8F%E8%A7%A3%E8%AA%AC\/"},"modified":"2023-12-09T15:34:24","modified_gmt":"2023-12-09T15:34:24","slug":"%E9%9B%BB%E6%B5%81%E5%AF%86%E5%BA%A6%E3%83%99%E3%82%AF%E3%83%88%E3%83%AB%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6%E8%A9%B3%E3%81%97%E3%81%8F%E8%A7%A3%E8%AA%AC","status":"publish","type":"post","link":"https:\/\/science-hub.click\/?p=43400","title":{"rendered":"\u96fb\u6d41\u5bc6\u5ea6\u30d9\u30af\u30c8\u30eb\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac"},"content":{"rendered":"<div><div><p>\u5c0e\u4f53\u306e\u4e00\u90e8\u306b\u6d41\u308c\u308b\u96fb\u6d41<i>\u3092 i \u3068<\/i>\u3059\u308b\u3068\u3001 <div class=\"math-formual notranslate\">$$ {\\mathrm d\\vec S} $$<\/div>\u3053\u306e\u5c0e\u4f53\u306e\u76f4\u7dda\u90e8\u5206\u306e\u8868\u9762\u8981\u7d20\u30d9\u30af\u30c8\u30eb\u3092\u6b21\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002 <\/p><dl><dd><div class=\"math-formual notranslate\">$$ {\\vec j} $$<\/div><strong><span><a href=\"https:\/\/science-hub.click\/?p=43400\">\u96fb\u6d41\u5bc6\u5ea6\u30d9\u30af\u30c8\u30eb<\/a><\/span><\/strong><\/dd><\/dl><p>\u306e\u3088\u3046\u306a<\/p><dl><dd><div class=\"math-formual notranslate\">$$ {\\mathrm di = \\vec j\\cdot\\mathrm d\\vec S} $$<\/div> \u3002<\/dd><\/dl><p>\u6b21\u306b\u3001 <\/p><dl><dd><div class=\"math-formual notranslate\">$$ {i = \\iint_S \\vec{j} \\cdot\\mathrm d\\vec{S}} $$<\/div> \u3002<\/dd><\/dl><p> <i>i<\/i>\u306e\u7b26\u53f7\u306f\u3001<span><a href=\"https:\/\/science-hub.click\/?p=48998\">\u8868\u9762<\/a><\/span><i>S<\/i>\u306e<span><a href=\"https:\/\/science-hub.click\/?p=67593\">\u65b9\u5411<\/a><\/span>\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u307e\u3059\u3002<\/p><h2> <span><i>j<\/i>\u306e\u5f0f<\/span><\/h2><p>\u3068\u3044\u3046\u4e8b\u5b9f\u304b\u3089\u3001 <div class=\"math-formual notranslate\">$$ {i=\\frac{\\mathrm dq}{\\mathrm dt}} $$<\/div> \u3001\u30ad\u30e3\u30ea\u30a2\u306e\u7a2e\u985e\u304c 1 \u3064\u3060\u3051 (\u305f\u3068\u3048\u3070\u96fb\u5b50) \u306e\u5834\u5408\u3001\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002 <\/p><dl><dd><div class=\"math-formual notranslate\">$$ {\\vec{j} = q \\cdot n \\cdot \\langle\\vec v\\rangle} $$<\/div><\/dd><\/dl><p>\u307e\u305f\u306f<\/p><ul><li><i>q<\/i>\u306f\u904b\u9001\u696d\u8005\u306e<span><a href=\"https:\/\/science-hub.click\/?p=10558\">\u6599\u91d1<\/a><\/span>\u3001<\/li><li> <i>n<\/i>\u30ad\u30e3\u30ea\u30a2\u306e<span><a href=\"https:\/\/science-hub.click\/?p=71631\">\u4f53\u7a4d<\/a><\/span>\u5bc6\u5ea6\uff08\u5358\u4f4d\u4f53\u7a4d\u3042\u305f\u308a\u306e\u30ad\u30e3\u30ea\u30a2\u306e\u6570\uff09\u304a\u3088\u3073<\/li><li><div class=\"math-formual notranslate\">$$ {\\langle\\vec v\\rangle} $$<\/div>\u30ad\u30e3\u30ea\u30a2\u306e\u5e73\u5747\u901f\u5ea6\u30d9\u30af\u30c8\u30eb\u3002<\/li><\/ul><p>\u3044\u304f\u3064\u304b\u306e\u7a2e\u985e\u306e\u30ad\u30e3\u30ea\u30a2 (\u96fb\u89e3\u6db2\u306a\u3069) \u304c\u3042\u308b\u5834\u5408\u3001\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002 <\/p><dl><dd><div class=\"math-formual notranslate\">$$ {\\vec j=\\sum_k q_k \\cdot n_k \\cdot \\langle\\vec{v}\\rangle_k} $$<\/div><\/dd><\/dl><p>\u3054\u4e86\u627f\u304f\u3060\u3055\u3044<div class=\"math-formual notranslate\">$$ {\\langle\\vec{v}\\rangle_k} $$<\/div>\u4ed6\u306e\u96fb\u8377\u30ad\u30e3\u30ea\u30a2\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002<\/p><figure class=\"wp-block-image size-large is-style-default\">\n<img decoding=\"async\" alt=\"\u96fb\u6d41\u5bc6\u5ea6\u30d9\u30af\u30c8\u30eb\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\" class=\"aligncenter\" onerror=\"this.style.display=none;\" src=\"https:\/\/img.youtube.com\/vi\/tsTbWOSWSTM\/0.jpg\" style=\"width:100%;\"\/><\/figure><h2><span>\u8868\u9762<span><a href=\"https:\/\/science-hub.click\/?p=80503\">\u96fb\u6d41\u5bc6\u5ea6<\/a><\/span>\u30d9\u30af\u30c8\u30eb<i>j <sub>S<\/sub><\/i><\/span><\/h2><p>\u5c0e\u4f53\u306e 1 \u3064\u306e<span><a href=\"https:\/\/science-hub.click\/?p=20918\">\u5bf8\u6cd5<\/a><\/span>\u304c\u4ed6\u306e\u5bf8\u6cd5\u306b\u6bd4\u3079\u3066\u5c0f\u3055\u3044\u3068\u4eee\u5b9a\u3059\u308b\u3068\u3001\u7121\u8996\u3067\u304d\u308b\u307b\u3069\u306e\u539a\u3055<i>e<\/i>\u306e\u300c\u30b7\u30fc\u30c8\u300d\u304c\u5f97\u3089\u308c\u307e\u3059\u3002 <\/p><dl><dd><div class=\"math-formual notranslate\">$$ {i = \\iint_S \\vec{j} \\cdot\\mathrm d\\vec{S} = \\int \\left(\\int_0^e \\vec j\\ \\mathrm dy\\right)\\ \\mathrm dx\\cdot\\vec u} $$<\/div><\/dd><\/dl><p>\u6b21\u306b\u6b21\u306e\u3088\u3046\u306b\u5c0b\u306d\u307e\u3059\u3002 <\/p><dl><dd><div class=\"math-formual notranslate\">$$ {\\vec{j_S} = \\int_0^e \\vec j\\ \\mathrm dy} $$<\/div><\/dd><\/dl><p>\u305d\u308c\u306f\u4e0e\u3048\u308b<\/p><dl><dd><div class=\"math-formual notranslate\">$$ {i = \\int \\vec{j_S}\\ \\mathrm dx \\cdot \\vec{u}} $$<\/div><\/dd><\/dl><\/div><figure class=\"wp-block-image size-large is-style-default\">\n<img decoding=\"async\" alt=\"\u96fb\u6d41\u5bc6\u5ea6\u30d9\u30af\u30c8\u30eb\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\" class=\"aligncenter\" onerror=\"this.style.display=none;\" src=\"https:\/\/img.youtube.com\/vi\/zdmXQGfRakA\/0.jpg\" style=\"width:100%;\"\/><\/figure><h2 class=\"ref_link\">\u53c2\u8003\u8cc7\u6599<\/h2><ol><li><a class=\"notranslate\" href=\"https:\/\/ar.wikipedia.org\/wiki\/%D9%83%D8%AB%D8%A7%D9%81%D8%A9_%D8%A7%D9%84%D8%AA%D9%8A%D8%A7%D8%B1\">\u0643\u062b\u0627\u0641\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u2013 arabe<\/a><\/li><li> <a class=\"notranslate\" href=\"https:\/\/be.wikipedia.org\/wiki\/%D0%A8%D1%87%D1%8B%D0%BB%D1%8C%D0%BD%D0%B0%D1%81%D1%86%D1%8C_%D1%82%D0%BE%D0%BA%D1%83\">\u0428\u0447\u044b\u043b\u044c\u043d\u0430\u0441\u0446\u044c \u0442\u043e\u043a\u0443 \u2013 bi\u00e9lorusse<\/a><\/li><li> <a class=\"notranslate\" href=\"https:\/\/be-tarask.wikipedia.org\/wiki\/%D0%A8%D1%87%D1%8B%D0%BB%D1%8C%D0%BD%D0%B0%D1%81%D1%8C%D1%86%D1%8C_%D1%82%D0%BE%D0%BA%D1%83\">\u0428\u0447\u044b\u043b\u044c\u043d\u0430\u0441\u044c\u0446\u044c \u0442\u043e\u043a\u0443 \u2013 Belarusian (Tara\u0161kievica orthography)<\/a><\/li><li> <a class=\"notranslate\" href=\"https:\/\/bg.wikipedia.org\/wiki\/%D0%9F%D0%BB%D1%8A%D1%82%D0%BD%D0%BE%D1%81%D1%82_%D0%BD%D0%B0_%D1%82%D0%BE%D0%BA%D0%B0\">\u041f\u043b\u044a\u0442\u043d\u043e\u0441\u0442 \u043d\u0430 \u0442\u043e\u043a\u0430 \u2013 bulgare<\/a><\/li><li> <a class=\"notranslate\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Densitat_de_corrent\">Densitat de corrent \u2013 catalan<\/a><\/li><li> <a class=\"notranslate\" href=\"https:\/\/cs.wikipedia.org\/wiki\/Hustota_elektrick%C3%A9ho_proudu\">Hustota elektrick\u00e9ho proudu \u2013 tch\u00e8que<\/a><\/li><\/ol><\/div>\n<div class=\"feature-video\">\n <h2>\n  \u96fb\u6d41\u5bc6\u5ea6\u30d9\u30af\u30c8\u30eb\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u30fb\u95a2\u9023\u52d5\u753b\n <\/h2>\n <div class=\"video-item\">\n  \n  <figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\">\n   <div class=\"wp-block-embed__wrapper\">\n    <iframe loading=\"lazy\" title=\"07-1.\u96fb\u78c1\u6c17\u5b66 \u96fb\u6d41\u3001\u96fb\u6d41\u7d20\u7247\u3001\u96fb\u6d41\u5bc6\u5ea6\u3001\u96fb\u8377\u4fdd\u5b58\u5247\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/tsTbWOSWSTM?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n   <\/div>\n  <\/figure>\n  \n <\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u5c0e\u4f53\u306e\u4e00\u90e8\u306b\u6d41\u308c\u308b\u96fb\u6d41\u3092 i \u3068\u3059\u308b\u3068\u3001 $$ {\\mathrm d\\vec S} $$ \u3053\u306e\u5c0e\u4f53\u306e\u76f4\u7dda\u90e8\u5206\u306e\u8868\u9762\u8981\u7d20\u30d9\u30af\u30c8\u30eb\u3092\u6b21\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002 $$ {\\vec j} $$ \u96fb\u6d41\u5bc6\u5ea6\u30d9\u30af\u30c8\u30eb \u306e\u3088\u3046\u306a $$ {\\ [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":43401,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"https:\/\/img.youtube.com\/vi\/aw_OcOjURdw\/0.jpg","fifu_image_alt":"\u96fb\u6d41\u5bc6\u5ea6\u30d9\u30af\u30c8\u30eb\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac","footnotes":""},"categories":[5],"tags":[11,13,14,10,11476,12,8261,5858,16,15,42983],"class_list":["post-43400","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dictionary","tag-techniques","tag-technologie","tag-news","tag-actualite","tag-vecteur","tag-dossier","tag-densite","tag-courant","tag-sciences","tag-article","tag-vecteur-densite-de-courant"],"_links":{"self":[{"href":"https:\/\/science-hub.click\/index.php?rest_route=\/wp\/v2\/posts\/43400"}],"collection":[{"href":"https:\/\/science-hub.click\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/science-hub.click\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/science-hub.click\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/science-hub.click\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=43400"}],"version-history":[{"count":0,"href":"https:\/\/science-hub.click\/index.php?rest_route=\/wp\/v2\/posts\/43400\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/science-hub.click\/index.php?rest_route=\/wp\/v2\/media\/43401"}],"wp:attachment":[{"href":"https:\/\/science-hub.click\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=43400"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/science-hub.click\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=43400"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/science-hub.click\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=43400"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}