{"id":213492,"date":"2024-09-11T13:55:33","date_gmt":"2024-09-11T13:55:33","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/?p=213492"},"modified":"2024-09-11T13:55:33","modified_gmt":"2024-09-11T13:55:33","slug":"%ec%9e%90%ea%b8%b0%ec%9e%a5%ec%9d%b4-%ec%a0%84%ec%9e%90%ea%b8%b0%ed%8c%8c%ec%9d%98-%eb%b0%9c%ec%83%9d%ea%b3%bc-%ec%a0%84%ed%8c%8c%ec%97%90-%eb%af%b8%ec%b9%98%eb%8a%94-%ec%97%ad%ed%95%a0","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ec%9e%90%ea%b8%b0%ec%9e%a5%ec%9d%b4-%ec%a0%84%ec%9e%90%ea%b8%b0%ed%8c%8c%ec%9d%98-%eb%b0%9c%ec%83%9d%ea%b3%bc-%ec%a0%84%ed%8c%8c%ec%97%90-%eb%af%b8%ec%b9%98%eb%8a%94-%ec%97%ad%ed%95%a0\/","title":{"rendered":"\uc790\uae30\uc7a5\uc774 \uc804\uc790\uae30\ud30c\uc758 \ubc1c\uc0dd\uacfc \uc804\ud30c\uc5d0 \ubbf8\uce58\ub294 \uc5ed\ud560"},"content":{"rendered":"<p class=\"sidekick\">\uc790\uae30\uc7a5\uc774 \uc804\uc790\uae30\ud30c\uc758 \ubc1c\uc0dd\uacfc \uc804\ud30c\uc5d0 \uc5b4\ub5bb\uac8c \uc601\ud5a5\uc744 \ubbf8\uce58\ub294\uc9c0 \uc124\uba85\ud558\ub294 \uae00. \uc790\uae30\uc7a5\uc758 \uc6d0\ub9ac\uc640 \uc804\uc790\uae30\ud30c\uc758 \uc0c1\ud638\uc791\uc6a9\uc744 \uc774\ud574\ud574\ubcf4\uc138\uc694.<\/p>\n<h2>\uc790\uae30\uc7a5\uc774 \uc804\uc790\uae30\ud30c\uc758 \ubc1c\uc0dd\uacfc \uc804\ud30c\uc5d0 \ubbf8\uce58\ub294 \uc5ed\ud560<\/h2>\n<p>\uc804\uc790\uae30\ud30c\ub294 \uc804\uae30\uc7a5\uacfc \uc790\uae30\uc7a5\uc774 \uc11c\ub85c \uc0c1\ud638\uc791\uc6a9\ud558\uba74\uc11c \uacf5\uac04\uc744 \ud1b5\ud574 \uc804\ud30c\ub418\ub294 \ud30c\ub3d9\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud30c\ub3d9\uc740 \uc6b0\ub9ac\uac00 \uc77c\uc0c1\uc5d0\uc11c \uc0ac\uc6a9\ud558\ub294 \ub77c\ub514\uc624, \ub9c8\uc774\ud06c\ub85c\uc6e8\uc774\ube0c, \uadf8\ub9ac\uace0 \ube5b\uacfc \uac19\uc740 \ub2e4\uc591\ud55c \ud615\ud0dc\ub85c \uc874\uc7ac\ud569\ub2c8\ub2e4. \uc804\uc790\uae30\ud30c\uc758 \ubc1c\uc0dd\uacfc \uc804\ud30c\uc5d0 \uc788\uc5b4 \uc790\uae30\uc7a5\uc774 \uc5b4\ub5a4 \uc5ed\ud560\uc744 \ud558\ub294\uc9c0 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc804\uc790\uae30\ud30c\uc758 \uae30\ubcf8 \uc6d0\ub9ac<\/h2>\n<p>\uc804\uc790\uae30\ud30c\ub294 \ub9e5\uc2a4\uc6f0 \ubc29\uc815\uc2dd\uc5d0 \uc758\ud574 \uc124\uba85\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ubc29\uc815\uc2dd\uc740 \uc804\uae30\uc7a5(E)\uacfc \uc790\uae30\uc7a5(B) \uc0ac\uc774\uc758 \uad00\uacc4\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc8fc\uc694 \ubc29\uc815\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li><u>\uac00\uc6b0\uc2a4\uc758 \ubc95\uce59 (\uc804\uae30)<\/u>: \\(\\nabla \\cdot \\mathbf{E} = \\frac{\\rho}{\\epsilon_0}\\)<\/li>\n<li><u>\uac00\uc6b0\uc2a4\uc758 \ubc95\uce59 (\uc790\uae30)<\/u>: \\(\\nabla \\cdot \\mathbf{B} = 0\\)<\/li>\n<li><u>\ud328\ub7ec\ub370\uc774\uc758 \ubc95\uce59<\/u>: \\(\\nabla \\times \\mathbf{E} = -\\frac{\\partial \\mathbf{B}}{\\partial t}\\)<\/li>\n<li><u>\uc570\ud398\uc5b4-\ub9e5\uc2a4\uc6f0 \ubc95\uce59<\/u>: \\(\\nabla \\times \\mathbf{B} = \\mu_0 \\mathbf{J} + \\mu_0 \\epsilon_0 \\frac{\\partial \\mathbf{E}}{\\partial t}\\)<\/li>\n<\/ul>\n<p>\uc5ec\uae30\uc11c \\(\\mathbf{E}\\)\ub294 \uc804\uae30\uc7a5 \ubca1\ud130, \\(\\mathbf{B}\\)\ub294 \uc790\uae30\uc7a5 \ubca1\ud130, \\(\\rho\\)\ub294 \uc804\ud558 \ubc00\ub3c4, \\(\\mathbf{J}\\)\ub294 \uc804\ub958 \ubc00\ub3c4, \\(\\epsilon_0\\)\ub294 \uc9c4\uacf5\uc758 \uc720\uc804\uc728, \\(\\mu_0\\)\ub294 \uc9c4\uacf5\uc758 \ud22c\uc790\uc728\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n<h2>\uc790\uae30\uc7a5\uc758 \uc5ed\ud560<\/h2>\n<p>\uc804\uc790\uae30\ud30c\uac00 \uc0dd\uc131\ub418\ub294 \uacfc\uc815\uc5d0\uc11c \uc790\uae30\uc7a5\uc740 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ud328\ub7ec\ub370\uc774\uc758 \ubc95\uce59\uc5d0 \ub530\ub974\uba74 \uc2dc\uac04\uc801\uc73c\ub85c \ubcc0\ud558\ub294 \uc790\uae30\uc7a5\uc740 \uc804\uae30\uc7a5\uc744 \uc720\ub3c4\ud569\ub2c8\ub2e4. \uc774\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \ud45c\ud604\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<p>\\(\\nabla \\times \\mathbf{E} = -\\frac{\\partial \\mathbf{B}}{\\partial t}\\)<\/p>\n<p>\uc989, \uc790\uae30\uc7a5\uc774 \ubcc0\ud654\ud558\uba74 \uc804\uae30\uc7a5\uc774 \uc0dd\uc131\ub41c\ub2e4\ub294 \ub73b\uc785\ub2c8\ub2e4. \ubc18\ub300\ub85c \uc570\ud398\uc5b4-\ub9e5\uc2a4\uc6f0 \ubc95\uce59\uc5d0 \ub530\ub974\uba74, \uc2dc\uac04\uc801\uc73c\ub85c \ubcc0\ud558\ub294 \uc804\uae30\uc7a5\uc740 \uc790\uae30\uc7a5\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4:<\/p>\n<p>\\(\\nabla \\times \\mathbf{B} = \\mu_0 \\epsilon_0 \\frac{\\partial \\mathbf{E}}{\\partial t}\\)<\/p>\n<p>\ub530\ub77c\uc11c, \uc804\uae30\uc7a5\uacfc \uc790\uae30\uc7a5\uc740 \uc11c\ub85c\ub97c \uc720\ub3c4\ud558\uba74\uc11c \ub04a\uc784\uc5c6\uc774 \ubcc0\ud654\ud558\uc5ec \uc804\uc790\uae30\ud30c\ub97c \ud615\uc131\ud558\uac8c \ub429\ub2c8\ub2e4. \uc774\ub294 \uc804\uc790\uae30\ud30c\uac00 \uacf5\uac04\uc744 \ud1b5\ud574 \uc804\ud30c\ub420 \uc218 \uc788\ub294 \uc6d0\ub3d9\ub825\uc774 \ub429\ub2c8\ub2e4.<\/p>\n<h2>\uc804\uc790\uae30\ud30c\uc758 \uc804\ud30c<\/h2>\n<p>\uc804\uc790\uae30\ud30c\ub294 \uc804\uae30\uc7a5\uacfc \uc790\uae30\uc7a5\uc758 \uc0c1\ud638\uc791\uc6a9\uc744 \ud1b5\ud574 \uacf5\uac04\uc744 \ud1b5\ud574 \uc774\ub3d9\ud569\ub2c8\ub2e4. \uc774\ub294 \ud30c\ub3d9 \ubc29\uc815\uc2dd\uc73c\ub85c\ub3c4 \uc124\uba85\ub420 \uc218 \uc788\ub294\ub370, \uc804\uae30\uc7a5\uacfc \uc790\uae30\uc7a5\uc758 \ud30c\ub3d9 \ubc29\uc815\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\\(\\frac{\\partial^2 \\mathbf{E}}{\\partial t^2} = c^2 \\nabla^2 \\mathbf{E}\\)<\/li>\n<li>\\(\\frac{\\partial^2 \\mathbf{B}}{\\partial t^2} = c^2 \\nabla^2 \\mathbf{B}\\)<\/li>\n<\/ul>\n<p>\uc5ec\uae30\uc11c \\(c\\)\ub294 \ube5b\uc758 \uc18d\ub3c4\uc785\ub2c8\ub2e4. \uc774 \ubc29\uc815\uc2dd\ub4e4\uc740 \uc804\uae30\uc7a5\uacfc \uc790\uae30\uc7a5\uc774 \uc11c\ub85c \uc720\ub3c4\ud558\uba74\uc11c \ub3d9\uc2dc\uc5d0 \uc804\ud30c\ub418\ub294 \uc591\uc0c1\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n<h2>\uacb0\ub860<\/h2>\n<p>\uc790\uae30\uc7a5\uc740 \uc804\uc790\uae30\ud30c\uc758 \ubc1c\uc0dd\uacfc \uc804\ud30c\uc5d0\uc11c \ud544\uc218\uc801\uc778 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ud328\ub7ec\ub370\uc774\uc758 \ubc95\uce59\uacfc \uc570\ud398\uc5b4-\ub9e5\uc2a4\uc6f0 \ubc95\uce59\uc744 \ud1b5\ud574 \uc2dc\uac04\uc801\uc73c\ub85c \ubcc0\ud558\ub294 \uc790\uae30\uc7a5\uc774 \uc804\uae30\uc7a5\uc744 \uc0dd\uc131\ud558\uace0, \uc2dc\uac04\uc801\uc73c\ub85c \ubcc0\ud558\ub294 \uc804\uae30\uc7a5\uc774 \ub2e4\uc2dc \uc790\uae30\uc7a5\uc744 \uc0dd\uc131\ud568\uc73c\ub85c\uc368 \uc804\uc790\uae30\ud30c\uac00 \ud615\uc131\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc0c1\ud638\uc791\uc6a9\uc744 \ud1b5\ud574 \uc804\uc790\uae30\ud30c\ub294 \uacf5\uac04\uc744 \ud1b5\ud574 \ud37c\uc838\ub098\uac00\uace0, \uc6b0\ub9ac\ub294 \uc774\ub97c \ub2e4\uc591\ud55c \uae30\uc220\uacfc \uc77c\uc0c1\uc0dd\ud65c\uc5d0\uc11c \ud65c\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc790\uae30\uc7a5\uc774 \uc804\uc790\uae30\ud30c\uc758 \ubc1c\uc0dd\uacfc \uc804\ud30c\uc5d0 \uc5b4\ub5bb\uac8c \uc601\ud5a5\uc744 \ubbf8\uce58\ub294\uc9c0 \uc124\uba85\ud558\ub294 \uae00. \uc790\uae30\uc7a5\uc758 \uc6d0\ub9ac\uc640 \uc804\uc790\uae30\ud30c\uc758 \uc0c1\ud638\uc791\uc6a9\uc744 \uc774\ud574\ud574\ubcf4\uc138\uc694.<\/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":[101],"tags":[],"class_list":["post-213492","post","type-post","status-publish","format-standard","hentry","category-101","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>\uc790\uae30\uc7a5\uc774 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