{"id":10007,"date":"2011-12-14T15:06:00","date_gmt":"2011-12-14T15:06:00","guid":{"rendered":"http:\/\/melotopia.net\/b\/?p=10007"},"modified":"2011-12-14T15:06:00","modified_gmt":"2011-12-14T15:06:00","slug":"%ed%99%80-%ed%9a%a8%ea%b3%bc","status":"publish","type":"post","link":"http:\/\/melotopia.net\/b\/?p=10007","title":{"rendered":"\ud640 \ud6a8\uacfc"},"content":{"rendered":"<div class=\"desc\">\n        \ud55c\uad6d\uc5d0\uc11c \ubb3c\ub9ac\ud559\uc744 \ubc30\uc6b0\ub2e4 \ubcf4\uba74 \ubc1c\uc74c\uacfc \ubc1c\uc74c\uc5d0\uc11c \uc608\uc0c1\ub418\ub294 \ucca0\uc790\uac00 \ub2ec\ub77c\uc11c \ud5f7\uac08\ub9ac\ub294 \uc774\ub984\ub4e4\uc774 \uba87\uac1c \uc788\ub2e4. &#8220;\ud3ec\uc778\ud305 \ubca1\ud130(Poynting vector)&#8221;<br \/>\n        <sup class=\"footnote\"><br \/>\n<a href=\"#footnote_2838_1\" id=\"footnote_link_2838_1\" onmouseout=\"tistoryFootnote.hide(2838,1)\" onmouseover=\"tistoryFootnote.show(this,2838,1)\" style=\"color:#f9650d;font-family:Verdana,Sans-serif\"><br \/>\n<span style=\"display:none\"><br \/>\n           [\uac01\uc8fc:<br \/>\n          <\/span><br \/>\n          1<br \/>\n          <span style=\"display:none\"><br \/>\n           ]<br \/>\n          <\/span><br \/>\n<\/a><br \/>\n<\/sup><br \/>\n        \ub77c\ub4e0\uac00 &#8220;\ud640 \ud6a8\uacfc(Hall effect)&#8221;<br \/>\n        <sup class=\"footnote\"><br \/>\n<a href=\"#footnote_2838_2\" id=\"footnote_link_2838_2\" onmouseout=\"tistoryFootnote.hide(2838,2)\" onmouseover=\"tistoryFootnote.show(this,2838,2)\" style=\"color:#f9650d;font-family:Verdana,Sans-serif\"><br \/>\n<span style=\"display:none\"><br \/>\n           [\uac01\uc8fc:<br \/>\n          <\/span><br \/>\n          2<br \/>\n          <span style=\"display:none\"><br \/>\n           ]<br \/>\n          <\/span><br \/>\n<\/a><br \/>\n<\/sup><br \/>\n        \ub77c\ub4e0\uac00, \uc774\ub984\uc774 \ube44\uc2b7\ud55c \ub85c\ub80c\uce20(Lorentz)\ub54c\ubb38\uc5d0 \uc624\ud574\ub97c \ubc1b\ub294 &#8220;\ub80c\uce20\uc758 \ubc95\uce59(Lenz&#8217;s law)&#8221;\uc774\ub77c\ub4e0\uac00. \uadf8\uc911 \ud640 \ud6a8\uacfc\uc5d0 \ub300\ud574\uc11c \uc54c\uc544\ubcf4\uc790.<br \/>\n        <br \/>\n        (Quantum Physics 3rd Ed. by S. Gasiorowicz)<\/p>\n<p>        \uc6b0\ub9ac\ub294 \uc804\uc790\ub098 \uc774\uc628\ucc98\ub7fc \uc804\ud558\ub97c \uac16\uace0 \uc788\ub294 \uc785\uc790\ub4e4\uc774(\ud558\uc804\uc785\uc790) \uc5b4\ub514\ub860\uac00 \uac00\uace0 \uc788\ub294 \uac83\uc744 \ubcf4\uace0 &#8220;\uc804\ub958&#8221;\ub77c\uace0 \ubd80\ub978\ub2e4. \uc804\ub958\ub294 \ub204\uac00 \ubb50\ub798\ub3c4 \ud558\uc804\uc785\uc790\uc758 \ud750\ub984\uc774\ub2e4. \ud558\uc804\uc785\uc790\ub97c \uc6c0\uc9c1\uc774\uac8c \ud558\ub824\uba74 \uc804\uae30\uc7a5\uc774 \ud544\uc694\ud558\ub2e4. \uc804\uae30\uc7a5\uc774 \uc788\uc73c\uba74 \ud558\uc804\uc785\uc790\uac00 \uc6c0\uc9c1\uc778\ub2e4\ub294 \ubc95\uce59\uc774 \ubc14\ub85c \uc634\uc758 \ubc95\uce59(Ohm&#8217;s law)\uc774\ub2e4. \ub300\ucda9 \uadf8 \uacf5\uc2dd\uc744 V=IR\uc774\ub77c\uace0 \uc368 \ub450\uc790.<\/p>\n<p>        \uc790\uae30\uc7a5\ub3c4 \uc788\uc73c\uba74? \uc6c0\uc9c1\uc774\ub358 \uc785\uc790\ub294 \uc790\uae30\uc7a5\uacfc \uc6b4\ub3d9\ubc29\ud5a5 \ub458 \ub2e4\uc5d0 \ub300\ud574\uc11c \uc218\uc9c1\uc778 \ubc29\ud5a5\uc758 \ud798\uc744 \ubc1b\ub294\ub2e4. \uc774\uac83\uc774 \ub85c\ub80c\uce20 \ud798\uc774\ub2e4.<\/p>\n<div class=\"imageblock center\" style=\"text-align: center; clear: both;\">\n<img loading=\"lazy\" decoding=\"async\" alt=\"\" filemime=\"image\/png\" filename=\"dd0959e46b72ba2e2766ebe703a07f01.png\" height=\"21\" onclick=\"open_img('original\/1513D83F4EE8B5EB03D2B6')\" src=\"image\/1513D83F4EE8B5EB03D2B6\" style=\"cursor: pointer;max-width:100%;height:auto\" width=\"171\"\/>\n<\/div>\n<p>\n        \uc27d\uac8c \ub9d0\ud574\uc11c, \uac00\ub2e4\uac00 \uc606\uc73c\ub85c \uc3e0\ub9ac\ub294 \uac83\uc774\ub2e4. \ubb3c\ub860 \uc785\uc790 \uad00\uc810\uc5d0\uc11c\ub294 \uc790\uae30\ub294 \ub098\ub984 \uc81c \uac08\uae38 \uac00\uace0 \uc788\ub2e4\uace0 \uc0dd\uac01\ud558\uaca0\uc9c0\ub9cc, \uc2e4\ud5d8\uc2e4\uc5d0 \ub300\ud574 \uba48\ucdb0\uc788\ub294 \uc6b0\ub9ac\uac00 \ubcf4\uae30\uc5d4 \uc544\ubb34\ub9ac \ubd10\ub3c4 \uc606\uc73c\ub85c \uc3e0\ub9ac\ub294 \uac83 \ucc98\ub7fc \ubcf4\uc778\ub2e4.<\/p>\n<p>        \ud640 \ud6a8\uacfc\ub294 \ubc14\ub85c \uc704\uc5d0\uc11c \ub9d0\ud55c \uc606\uc73c\ub85c \uc3e0\ub9ac\ub294 \ud604\uc0c1\uc774 \uc804\uc120\uc5d0\uc11c \ub098\ud0c0\ub09c\ub2e4\ub294 \uac83\uc744 \ub9d0\ud55c\ub2e4.<\/p>\n<p>        \uadf8\ub9bc\uc73c\ub85c \ud55c\ub208\uc5d0 \ubcf4\uc790\uba74 \ub2e4\uc74c\uacfc \uac19\ub2e4.<br \/>\n        <\/p>\n<div class=\"imageblock center\" style=\"text-align: center; clear: both;\">\n<img loading=\"lazy\" decoding=\"async\" alt=\"\" filemime=\"image\/png\" filename=\"hal0.png\" height=\"227\" onclick=\"open_img('original\/1523AD494EE8B81433DC73')\" src=\"image\/1523AD494EE8B81433DC73\" style=\"cursor: pointer;max-width:100%;height:auto\" width=\"617\"\/>\n<\/div>\n<p>\n        \uc77c\ubc18\uc801\uc778 \uae08\uc18d\uc740 \uc804\ub958\uc758 \uc804\ub2ec\uc744 \uc804\uc790\uac00 \ub2f4\ub2f9\ud558\uae30 \ub54c\ubb38\uc5d0 \uc804\ub958\uc758 \ubc29\ud5a5\uacfc \uc804\uc790\uc758 \ubc29\ud5a5\uc774 \ubc18\ub300\ub85c \ub418\uc5b4 \uc788\ub2e4. \uc704\uc758 \ud654\uc0b4\ud45c\ub294 \ubaa8\ub450 \uc804\uc790\uc758 \uc6c0\uc9c1\uc784\uc774\ub77c\uace0 \uc0dd\uac01\ud558\uc790. \uc804\ub958\ub294 \uc6d0\ub798 \uc624\ub978\ucabd\uc5d0\uc11c \uc67c\ucabd\uc73c\ub85c \ud750\ub974\uace0 \uc788\uc5c8\ub2e4. \ub530\ub77c\uc11c \uc804\uc790\ub294 \uc67c\ucabd\uc5d0\uc11c \uc624\ub978\ucabd\uc73c\ub85c \ub2ec\ub824\uac00\ub294 \uc911\uc774\ub2e4. \ub530\ub77c\uc11c, \ubb3c\ub860, \uc804\uc555\uc740 \uc624\ub978\ucabd\uc774 +\uc804\uc555\uc774\uace0 \uc67c\ucabd\uc774 -\uc804\uc555\uc774\ub2e4.<\/p>\n<p>        \uc774\ub54c, \uac11\uc790\uae30 \uc790\uae30\uc7a5\uc774 \uac78\ub9b0\ub2e4\ub294 \uac83\uc774\ub2e4. \uc774 \uadf8\ub9bc\uc5d0\uc11c \ubcf4\uc790\uba74 \uc790\uae30\uc7a5\uc758 \ubc29\ud5a5\uc740 \ud654\uba74 \uc800 \ub4b7\ud3b8\uc5d0\uc11c \ub2f9\uc2e0\uc758 \uc5bc\uad74\ub85c \ud5a5\ud558\ub294 \ubc29\ud5a5\uc774\ub2e4. \uc790\uae30\uc7a5\uc758 \ud654\uc0b4\ud45c\uac00 \ubaa8\ub2c8\ud130\ub97c \ub6ab\uace0 \ud280\uc5b4\ub098\uc624\uace0 \uc788\ub2e4\uace0 \uc0dd\uac01\ud558\uba74 \ub41c\ub2e4.<br \/>\n        <\/p>\n<div class=\"imageblock center\" style=\"text-align: center; clear: both;\">\n<img loading=\"lazy\" decoding=\"async\" alt=\"\" filemime=\"image\/png\" filename=\"hal2.png\" height=\"227\" onclick=\"open_img('original\/2031FC394EE8B9150A11E0')\" src=\"image\/2031FC394EE8B9150A11E0\" style=\"cursor: pointer;max-width:100%;height:auto\" width=\"617\"\/>\n<\/div>\n<p>\n        \uadf8\ub7fc \uac11\uc790\uae30 \uc704\ucabd\uacfc \uc544\ub798\ucabd\uc774 \uc804\uc555\uc774 \uc0dd\uae34\ub2e4. \uc6d0\ub798\ub294 \uc5c6\uc5c8\ub2e4. \uadf8\ub7f0\ub370 \uac11\uc790\uae30 \uc0dd\uacbc\ub2e4. \ub2e4\ub978 \uac83\uc740? \uc790\uae30\uc7a5\uc774 \uc788\ub2e4-\uc5c6\ub2e4\uc758 \ucc28\uc774\uc77c \ubfd0. \uc989, \uc790\uae30\uc7a5\uc774 \uac78\ub9ac\uba74 \uc804\uc555\ub3c4 \uc0dd\uae34\ub2e4. \uc5ec\uae30\uc11c \uc911\uc694\ud55c \uac83\uc740 \uc6d0\ub798 \uc788\ub358 \uc804\uc555\uc740 \uc67c\ucabd-\uc624\ub978\ucabd \ubc29\ud5a5\uc73c\ub85c \uac78\ub824 \uc788\uc5c8\ub294\ub370, \uc5ec\uae30\uc11c \ucd94\uac00\uc801\uc73c\ub85c \uc0dd\uae34 \uc804\uc555\uc740 \uc704-\uc544\ub798\ub85c \uac78\ub9b0\ub2e4\ub294 \uc810\uc774\ub2e4. \uc804\uc555\uc774 \uc65c \uc0dd\uae30\uac8c \ub420\uae4c?<\/p>\n<div class=\"imageblock center\" style=\"text-align: center; clear: both;\">\n<img loading=\"lazy\" decoding=\"async\" alt=\"\" filemime=\"image\/png\" filename=\"hal1.png\" height=\"227\" onclick=\"open_img('original\/1223B24A4EE8B7A1191C97')\" src=\"image\/1223B24A4EE8B7A1191C97\" style=\"cursor: pointer;max-width:100%;height:auto\" width=\"617\"\/>\n<\/div>\n<p>\n        \ub2e4\ub4e4 \uc54c\uace0 \uc788\ub2e4\uc2dc\ud53c, \uc790\uae30\uc7a5\uc774 \uc804\uc790\uac00 \uac00\ub294 \uae38\uc744 \ubc14\uafd4\ub1a8\uae30 \ub54c\ubb38\uc774\ub2e4. \uc804\uc790\uac00 \uac00\ub2e4\uac00 \uc704\ub85c \uc3e0\ub9ac\ub294 \ud798\uc744 \ubc1b\uc73c\uba74\uc11c \uc704\ucabd\uc740 \uc804\uc790\uac00 \ub9ce\uc544\uc9c0\uace0, \uc0c1\ub300\uc801\uc73c\ub85c \uc544\ub798\ucabd\uc740 \uc804\uc790\uac00 \uc801\uc5b4\uc9c0\uac8c \ub41c\ub2e4. \uc790\uae30\uc7a5\uc774 \uac78\ub824\uc788\uae30 \ub54c\ubb38\uc5d0 \uc804\uc790\ub294 \uacc4\uc18d \uc704\ub85c \ud798\uc744 \ubc1b\ub294\ub370, \uc804\uc790\uac00 \uc810\uc810 \ub9ce\uc774 \uc313\uc774\ub2e4\ubcf4\uba74 \uc804\uc790\ub4e4 \uc0ac\uc774\uc5d0 \uc11c\ub85c \ubbf8\ub294 \ud798\ub3c4 \uc791\uc6a9\ud558\ubbc0\ub85c \ubb34\ud55c\uc815 \ub9ce\uc774 \uc313\uc774\uc9c0\ub294 \uc54a\uac8c \ub41c\ub2e4.<\/p>\n<p>        \uc774\ub807\uac8c \ud574\uc11c \ud3c9\ud615 \uc0c1\ud0dc\ub97c \uc774\ub8e8\uc5c8\uc744 \ub54c, \uc704-\uc544\ub798 \uc0ac\uc774\uc758 \uc804\uc555\ucc28\uc774\ub97c \ud640 \uc804\uc555(Hall voltage)\uc774\ub77c\uace0 \ubd80\ub978\ub2e4.<\/p>\n<p>        \uc790\uae30\uc7a5\uc774 \uc138\uc9c8\uc218\ub85d \ud640 \uc804\uc555\uc740 \uc810\uc810 \ub192\uc544\uc9c0\ub294\ub370, \uace0\uc804 \uc804\uc790\uae30\ud559\uc73c\ub85c\ubd80\ud130 \uc720\ub3c4\ub418\ub294 \uacb0\uacfc\uc640 \uc591\uc790\uc5ed\ud559\uc73c\ub85c\ubd80\ud130 \uc720\ub3c4\ub418\ub294 \uacb0\uacfc\uac00 \uc880 \ub2e4\ub974\ub2e4. \uadf8 \uacb0\uacfc\uc5d0 \ub300\ud574\uc11c\ub294 \ub2e4\uc74c \uc2dc\uac04\uc5d0.<br \/>\n        <\/p>\n<div class=\"footnotes\">\n<ol class=\"footnotes\">\n<li id=\"footnote_2838_1\">\n           Pointing \uc544\ub2d8<br \/>\n           <a href=\"#footnote_link_2838_1\"><br \/>\n            [\ubcf8\ubb38\uc73c\ub85c]<br \/>\n           <\/a>\n<\/li>\n<li id=\"footnote_2838_2\">\n           Hole \uc544\ub2d8<br \/>\n           <a href=\"#footnote_link_2838_2\"><br \/>\n            [\ubcf8\ubb38\uc73c\ub85c]<br \/>\n           <\/a>\n<\/li>\n<\/ol>\n<\/div>\n<p><script type=\"text\/javascript\">\n         tistoryFootnote.add(2838,1,\"Pointing \\uc544\\ub2d8\");\ntistoryFootnote.add(2838,2,\"Hole \\uc544\\ub2d8\");\n        <\/script><\/p>\n<div style=\"width:100%;margin-top:30px;clear:both;height:30px\">\n<div style=\"width:31px;float:left;\">\n<a href=\"\/toolbar\/popup\/abuseReport\/?entryId=2838\" onclick=\"window.open(this.href, 'tistoryThisBlogPopup', 'width=550, height=510, toolbar=no, menubar=no, status=no, scrollbars=no'); return false;\"><br \/>\n<img data-recalc-dims=\"1\" decoding=\"async\" alt=\"\uc2e0\uace0\" src=\"https:\/\/i0.wp.com\/t1.daumcdn.net\/tistory_admin\/static\/ico\/ico_spam_report.png\" style=\"border:0\"\/><br \/>\n<\/a>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\ud55c\uad6d\uc5d0\uc11c \ubb3c\ub9ac\ud559\uc744 \ubc30\uc6b0\ub2e4 \ubcf4\uba74 \ubc1c\uc74c\uacfc \ubc1c\uc74c\uc5d0\uc11c \uc608\uc0c1\ub418\ub294 \ucca0\uc790\uac00 \ub2ec\ub77c\uc11c \ud5f7\uac08\ub9ac\ub294 \uc774\ub984\ub4e4\uc774 \uba87\uac1c \uc788\ub2e4. &#8220;\ud3ec\uc778\ud305 \ubca1\ud130(Poynting vector)&#8221; [\uac01\uc8fc: 1 ] \ub77c\ub4e0\uac00 &#8220;\ud640 \ud6a8\uacfc(Hall effect)&#8221; [\uac01\uc8fc: 2 ] \ub77c\ub4e0\uac00, \uc774\ub984\uc774 \ube44\uc2b7\ud55c \ub85c\ub80c\uce20(Lorentz)\ub54c\ubb38\uc5d0 \uc624\ud574\ub97c \ubc1b\ub294 &#8220;\ub80c\uce20\uc758 \ubc95\uce59(Lenz&#8217;s law)&#8221;\uc774\ub77c\ub4e0\uac00. \uadf8\uc911 \ud640 \ud6a8\uacfc\uc5d0 \ub300\ud574\uc11c \uc54c\uc544\ubcf4\uc790. (Quantum Physics 3rd Ed. by S. Gasiorowicz) \uc6b0\ub9ac\ub294 \uc804\uc790\ub098 \uc774\uc628\ucc98\ub7fc \uc804\ud558\ub97c \uac16\uace0 \uc788\ub294 \uc785\uc790\ub4e4\uc774(\ud558\uc804\uc785\uc790) \uc5b4\ub514\ub860\uac00 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-10007","post","type-post","status-publish","format-standard","hentry","category-academic"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8o6gA-2Bp","jetpack-related-posts":[],"jetpack_likes_enabled":true,"_links":{"self":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts\/10007","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10007"}],"version-history":[{"count":0,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts\/10007\/revisions"}],"wp:attachment":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10007"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10007"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10007"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}