{"id":208789,"date":"2024-03-21T14:07:27","date_gmt":"2024-03-21T14:07:27","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%eb%a7%a5%ec%8a%a4%ec%9b%b0-%eb%b0%a9%ec%a0%95%ec%8b%9d-%ec%a0%95%ec%9d%98-%ea%b3%84%ec%82%b0-%eb%b0%8f-%ec%9d%91%ec%9a%a9\/"},"modified":"2024-05-15T11:33:12","modified_gmt":"2024-05-15T11:33:12","slug":"%eb%a7%a5%ec%8a%a4%ec%9b%b0-%eb%b0%a9%ec%a0%95%ec%8b%9d-%ec%a0%95%ec%9d%98-%ea%b3%84%ec%82%b0-%eb%b0%8f-%ec%9d%91%ec%9a%a9","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%eb%a7%a5%ec%8a%a4%ec%9b%b0-%eb%b0%a9%ec%a0%95%ec%8b%9d-%ec%a0%95%ec%9d%98-%ea%b3%84%ec%82%b0-%eb%b0%8f-%ec%9d%91%ec%9a%a9\/","title":{"rendered":"\ub9e5\uc2a4\uc6f0 \ubc29\uc815\uc2dd | \uc815\uc758, \uacc4\uc0b0 \ubc0f \uc751\uc6a9"},"content":{"rendered":"<p class=\"sidekick\">\ub9e5\uc2a4\uc6f0 \ubc29\uc815\uc2dd\uc740 \uc804\uae30\uc640 \uc790\uae30\uc758 \uc0c1\ud638\uc791\uc6a9\uc744 \uc218\ud559\uc801\uc73c\ub85c \uc124\uba85\ud558\ub294 \uc804\uc790\uae30\ud559\uc758 \ub124 \uac00\uc9c0 \uae30\ubcf8 \ubc29\uc815\uc2dd\uc785\ub2c8\ub2e4.<\/p>\n<h2>\ub9e5\uc2a4\uc6f0 \ubc29\uc815\uc2dd\uc758 \uc815\uc758<\/h2>\n<p>\ub9e5\uc2a4\uc6f0 \ubc29\uc815\uc2dd\uc740 \uc804\uc790\uae30\ud559\uc758 \uae30\ubcf8\uc744 \uc774\ub8e8\ub294 \ub124 \uac1c\uc758 \ubc29\uc815\uc2dd\uc73c\ub85c, \uc804\uae30\uc640 \uc790\uae30\uc758 \uc0c1\ud638\uc791\uc6a9\uc744 \uc218\ud559\uc801\uc73c\ub85c \uc124\uba85\ud569\ub2c8\ub2e4. \uc774 \ubc29\uc815\uc2dd\ub4e4\uc740 19\uc138\uae30 \uc911\ubc18 \uc81c\uc784\uc2a4 \ud074\ub7ec\ud06c \ub9e5\uc2a4\uc6f0\uc5d0 \uc758\ud574 \uc815\ub9bd\ub418\uc5c8\uc73c\uba70, \uc804\uae30\uc7a5\uacfc \uc790\uae30\uc7a5, \uc804\ud558 \ubc0f \uc804\ub958\uc758 \uad00\uacc4\ub97c \uae30\uc220\ud569\ub2c8\ub2e4. \ub9e5\uc2a4\uc6f0 \ubc29\uc815\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \ub124 \uac1c\uc758 \ubc29\uc815\uc2dd\uc73c\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4:<\/p>\n<p>1. \uac00\uc6b0\uc2a4\uc758 \uc804\uae30\uc7a5 \ubc95\uce59: \uc804\uae30\uc7a5\uc758 \ubc1c\uc0b0\uc740 \uc804\ud558 \ubc00\ub3c4\uc5d0 \ube44\ub840\ud569\ub2c8\ub2e4.<br \/>\n\\[<br \/>\n\\nabla \\cdot \\mathbf{E} = \\frac{\\rho}{\\epsilon_0}<br \/>\n\\]<\/p>\n<p>2. \uac00\uc6b0\uc2a4\uc758 \uc790\uae30\uc7a5 \ubc95\uce59: \uc790\uae30\uc7a5\uc758 \ubc1c\uc0b0\uc740 \ud56d\uc0c1 0\uc785\ub2c8\ub2e4.<br \/>\n\\[<br \/>\n\\nabla \\cdot \\mathbf{B} = 0<br \/>\n\\]<\/p>\n<p>3. \ud328\ub7ec\ub370\uc774\uc758 \uc804\uc790\uae30 \uc720\ub3c4 \ubc95\uce59: \uc2dc\uac04\uc5d0 \ub530\ub77c \ubcc0\ud654\ud558\ub294 \uc790\uae30\uc7a5\uc774 \uc804\uae30\uc7a5\uc744 \uc720\ub3c4\ud569\ub2c8\ub2e4.<br \/>\n\\[<br \/>\n\\nabla \\times \\mathbf{E} = -\\frac{\\partial \\mathbf{B}}{\\partial t}<br \/>\n\\]<\/p>\n<p>4. \uc554\ud398\uc5b4-\ub9e5\uc2a4\uc6f0 \ubc95\uce59: \uc804\ub958 \ubc0f \uc2dc\uac04\uc5d0 \ub530\ub77c \ubcc0\ud654\ud558\ub294 \uc804\uae30\uc7a5\uc774 \uc790\uae30\uc7a5\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4.<br \/>\n\\[<br \/>\n\\nabla \\times \\mathbf{B} = \\mu_0 \\mathbf{J} + \\mu_0 \\epsilon_0 \\frac{\\partial \\mathbf{E}}{\\partial t}<br \/>\n\\]<\/p>\n<p>\uc5ec\uae30\uc11c \\(\\mathbf{E}\\)\uc640 \\(\\mathbf{B}\\)\ub294 \uac01\uac01 \uc804\uae30\uc7a5\uacfc \uc790\uae30\uc7a5\uc744 \ub098\ud0c0\ub0b4\uba70, \\(\\rho\\)\ub294 \uc804\ud558 \ubc00\ub3c4, \\(\\mathbf{J}\\)\ub294 \uc804\ub958 \ubc00\ub3c4\uc785\ub2c8\ub2e4. \\(\\epsilon_0\\)\uacfc \\(\\mu_0\\)\ub294 \uac01\uac01 \uc9c4\uacf5\uc758 \uc804\uae30\uc801 \ud22c\uc790\uc728\uacfc \uc790\uae30\uc801 \ud22c\uc790\uc728\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n<h2>\ub9e5\uc2a4\uc6f0 \ubc29\uc815\uc2dd\uc758 \uacc4\uc0b0 \uc608<\/h2>\n<p>\ub9e5\uc2a4\uc6f0 \ubc29\uc815\uc2dd\uc744 \uc774\uc6a9\ud55c \uae30\ubcf8\uc801\uc778 \uacc4\uc0b0 \uc608\ub85c\ub294 \uade0\uc77c\ud55c \uc804\ub958\uac00 \ud750\ub974\ub294 \uae34 \uc9c1\uc120 \ub3c4\uc120 \uc8fc\ubcc0\uc758 \uc790\uae30\uc7a5\uc744 \uacc4\uc0b0\ud558\ub294 \uac83\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uacbd\uc6b0 \uc554\ud398\uc5b4 \ubc95\uce59\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc790\uae30\uc7a5\uc758 \ud06c\uae30\ub97c \uad6c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc8fc\ubcc0\uc744 \ub458\ub7ec\uc2f8\ub294 \ud3d0\uace1\uc120\uc744 \uace0\ub824\ud560 \ub54c, \uc804\ub958 \\(I\\)\ub9cc\uc774 \uc774 \uace1\uc120\uc744 \ud1b5\uacfc\ud55c\ub2e4\uace0 \uac00\uc815\ud569\uc2dc\ub2e4. \uc554\ud398\uc5b4 \ubc95\uce59\uc744 \uc801\uc6a9\ud558\uba74 \ub2e4\uc74c\uacfc \uac19\uc774 \uc790\uae30\uc7a5\uc758 \uc138\uae30\ub97c \uad6c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<br \/>\n\\[<br \/>\n\\oint \\mathbf{B} \\cdot d\\mathbf{l} = \\mu_0 I<br \/>\n\\]<\/p>\n<p>\ub9cc\uc57d \ub3c4\uc120\uc774 \uc6d0\ud615\uc758 \uacbd\ub85c\ub97c \ub530\ub77c \uc790\uae30\uc7a5\uc774 \uade0\uc77c\ud558\ub2e4\uace0 \uac00\uc815\ud558\uba74, \uc790\uae30\uc7a5\uc758 \ud06c\uae30 \\(B\\)\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uacc4\uc0b0\ub429\ub2c8\ub2e4:<br \/>\n\\[<br \/>\nB \\cdot 2\\pi r = \\mu_0 I<br \/>\n\\]<br \/>\n\\[<br \/>\nB = \\frac{\\mu_0 I}{2\\pi r}<br \/>\n\\]<\/p>\n<p>\uc5ec\uae30\uc11c \\(r\\)\uc740 \ub3c4\uc120\uc73c\ub85c\ubd80\ud130\uc758 \uac70\ub9ac\uc785\ub2c8\ub2e4.<\/p>\n<h2>\ub9e5\uc2a4\uc6f0 \ubc29\uc815\uc2dd\uc758 \uc751\uc6a9<\/h2>\n<p>\ub9e5\uc2a4\uc6f0 \ubc29\uc815\uc2dd\uc740 \ubb3c\ub9ac\ud559\ubfd0\ub9cc \uc544\ub2c8\ub77c \uacf5\ud559, \ud1b5\uc2e0, \uc758\ub8cc \ub4f1 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c \uc751\uc6a9\ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc804\uc790\uae30\ud30c\uc758 \uc804\ud30c \uc6d0\ub9ac\ub97c \uc774\ud574\ud558\ub294 \ub370 \uc788\uc5b4 \ub9e5\uc2a4\uc6f0 \ubc29\uc815\uc2dd\uc740 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc774\ub294 \ub77c\ub514\uc624, \ud154\ub808\ube44\uc804, \ud734\ub300\ud3f0 \ub4f1\uc758 \uae30\uc220 \ubc1c\uc804\uc5d0 \uae30\uc5ec\ud558\uc600\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ub610\ud55c MRI(\uc790\uae30\uacf5\uba85\uc601\uc0c1) \uae30\uae30\uc758 \uc6d0\ub9ac\ub3c4 \ub9e5\uc2a4\uc6f0 \ubc29\uc815\uc2dd\uc744 \ud1b5\ud574 \uc124\uba85\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uae30\uae30\ub294 \uac15\ud55c \uc790\uae30\uc7a5\uacfc \ub77c\ub514\uc624 \ud30c\ub3d9\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc778\uccb4 \ub0b4\ubd80\uc758 \uc774\ubbf8\uc9c0\ub97c \uc0dd\uc131\ud558\uba70, \uc774 \uacfc\uc815\uc5d0\uc11c \ub9e5\uc2a4\uc6f0 \ubc29\uc815\uc2dd\uc774 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/p>\n<p>\ub9e5\uc2a4\uc6f0 \ubc29\uc815\uc2dd\uc740 \ub098\uc544\uac00 \uad11\ud559, \uc5d0\ub108\uc9c0 \ubd84\uc57c \ubc0f \uae30\uc0c1\ud559 \ub4f1\uc5d0\uc11c\ub3c4 \uc911\uc694\ud558\uac8c \ud65c\uc6a9\ub418\uba70, \ud604\ub300 \uacfc\ud559\uae30\uc220\uc758 \ubc1c\uc804\uc5d0 \uc774\ubc14\uc9c0\ud558\ub294 \ud575\uc2ec\uc801\uc778 \uc6d0\ub9ac\uc785\ub2c8\ub2e4.<\/p>\n<p>\ub9e5\uc2a4\uc6f0 \ubc29\uc815\uc2dd\uc744 \ud1b5\ud574 \uc6b0\ub9ac\ub294 \uc790\uc5f0 \uc18d\uc5d0\uc11c \uc77c\uc5b4\ub098\ub294 \uc804\uc790\uae30 \ud604\uc0c1\uc744 \ubcf4\ub2e4 \uba85\ud655\ud558\uac8c \uc774\ud574\ud558\uace0, \uc774\ub97c \ud1a0\ub300\ub85c \uc0c8\ub85c\uc6b4 \uae30\uc220\uc744 \uac1c\ubc1c\ud560 \uc218 \uc788\ub294 \uac00\ub2a5\uc131\uc744 \uc5f4\uc5b4\ub193\uac8c \ub429\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ub9e5\uc2a4\uc6f0 \ubc29\uc815\uc2dd\uc740 \uc804\uae30\uc640 \uc790\uae30\uc758 \uc0c1\ud638\uc791\uc6a9\uc744 \uc218\ud559\uc801\uc73c\ub85c \uc124\uba85\ud558\ub294 \uc804\uc790\uae30\ud559\uc758 \ub124 \uac00\uc9c0 \uae30\ubcf8 \ubc29\uc815\uc2dd\uc785\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[94],"tags":[95],"class_list":["post-208789","post","type-post","status-publish","format-standard","hentry","category-94","tag-95","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\ub9e5\uc2a4\uc6f0 \ubc29\uc815\uc2dd | \uc815\uc758, \uacc4\uc0b0 \ubc0f \uc751\uc6a9<\/title>\n<meta name=\"description\" content=\"\ub9e5\uc2a4\uc6f0 \ubc29\uc815\uc2dd\uc740 \uc804\uae30\uc640 \uc790\uae30\uc758 \uc0c1\ud638\uc791\uc6a9\uc744 \uc218\ud559\uc801\uc73c\ub85c \uc124\uba85\ud558\ub294 \uc804\uc790\uae30\ud559\uc758 \ub124 \uac00\uc9c0 \uae30\ubcf8 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