{"id":213702,"date":"2024-08-13T04:04:56","date_gmt":"2024-08-13T04:04:56","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/?p=213702"},"modified":"2024-08-13T04:04:56","modified_gmt":"2024-08-13T04:04:56","slug":"%eb%b3%80%ec%a1%b0%eb%ac%bc%ec%a7%88%ec%9d%b4-%ec%a0%84%ec%9e%90%ea%b8%b0%ed%8c%8c%ec%9d%98-%ed%8a%b9%ec%84%b1%ea%b3%bc-%ed%96%89%eb%8f%99%ec%97%90-%eb%af%b8%ec%b9%98%eb%8a%94-%ec%98%81%ed%96%a5","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%eb%b3%80%ec%a1%b0%eb%ac%bc%ec%a7%88%ec%9d%b4-%ec%a0%84%ec%9e%90%ea%b8%b0%ed%8c%8c%ec%9d%98-%ed%8a%b9%ec%84%b1%ea%b3%bc-%ed%96%89%eb%8f%99%ec%97%90-%eb%af%b8%ec%b9%98%eb%8a%94-%ec%98%81%ed%96%a5\/","title":{"rendered":"\ubcc0\uc870\ubb3c\uc9c8\uc774 \uc804\uc790\uae30\ud30c\uc758 \ud2b9\uc131\uacfc \ud589\ub3d9\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5"},"content":{"rendered":"

\ubcc0\uc870\ubb3c\uc9c8\uc774 \uc804\uc790\uae30\ud30c\uc758 \ud2b9\uc131\uacfc \ud589\ub3d9\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc744 \ud0d0\uad6c\ud558\uc5ec, \ubcc0\uc870\uac00 \uc2e0\ud638 \uc804\ub2ec \ubc0f \ud1b5\uc2e0 \uae30\uc220\uc5d0 \uc5b4\ub5bb\uac8c \uc601\ud5a5\uc744 \ubbf8\uce58\ub294\uc9c0 \uc54c\uc544\ubd05\ub2c8\ub2e4.<\/p>\n

\ubcc0\uc870\ubb3c\uc9c8\uc774 \uc804\uc790\uae30\ud30c\uc758 \ud2b9\uc131\uacfc \ud589\ub3d9\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5<\/h2>\n

\uc804\uc790\uae30\ud30c\ub294 \uc804\uae30\uc7a5\uacfc \uc790\uae30\uc7a5\uc774 \ub3d9\uc2dc\uc5d0 \uc9c4\ub3d9\ud558\uba74\uc11c \uc804\ud30c\ub418\ub294 \ud30c\ub3d9\uc785\ub2c8\ub2e4. \ube5b, \ub77c\ub514\uc624\ud30c, \uc5d1\uc2a4\ub808\uc774 \ub4f1\uc774 \uc804\uc790\uae30\ud30c\uc758 \uc77c\uc885\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc804\uc790\uae30\ud30c\ub294 \ub2e4\uc591\ud55c \ub9e4\uccb4\ub97c \ud1b5\uacfc\ud560 \uc218 \uc788\uc73c\uba70, \ubcc0\uc870\ubb3c\uc9c8\uc740 \uc804\uc790\uae30\ud30c\uc758 \ud2b9\uc131\uacfc \ud589\ub3d9\uc5d0 \ud070 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \ubcf8 \uae30\uc0ac\uc5d0\uc11c\ub294 \ubcc0\uc870\ubb3c\uc9c8\uc774 \uc804\uc790\uae30\ud30c\uc5d0 \uc5b4\ub5a4 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294\uc9c0\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n

\ubcc0\uc870\ubb3c\uc9c8\uc758 \uc885\ub958<\/h2>\n

<\/p>\n

  • \uc720\uc804\uccb4 (Dielectrics)<\/li>\n
  • \ub3c4\uccb4 (Conductors)<\/li>\n
  • \uc790\uc131\uccb4 (Magnetics)<\/li>\n

    <\/u1><\/p>\n

    \ubcc0\uc870\ubb3c\uc9c8\uc758 \uc885\ub958\uc5d0 \ub530\ub77c \uc804\uc790\uae30\ud30c\uac00 \ud574\ub2f9 \ubb3c\uc9c8\uc744 \ud1b5\uacfc\ud560 \ub54c \ub2e4\ub978 \ubc18\uc751\uc744 \ubcf4\uc785\ub2c8\ub2e4.<\/p>\n

    1. \uc720\uc804\uccb4<\/h3>\n

    \uc720\uc804\uccb4\ub294 \uc804\uc790\uae30\ud30c\uac00 \ubb3c\uc9c8\uc744 \ud1b5\uacfc\ud560 \ub54c \ud761\uc218\ub418\uac70\ub098 \ubc18\uc0ac\ub418\uc9c0 \uc54a\uace0, \uc8fc\ub85c \ud22c\uacfc\ub429\ub2c8\ub2e4. \ud22c\uacfc\ub41c \uc804\uc790\uae30\ud30c\ub294 \ubb3c\uc9c8 \ub0b4\ubd80\uc5d0\uc11c \uc57d\uac04\uc758 \uad74\uc808\uc744 \uacaa\uc2b5\ub2c8\ub2e4. \uad74\uc808\ub960\uc740 \ubb3c\uc9c8\uc758 \uc720\uc804\uc728(permittivity)\uc5d0 \ub530\ub77c \uacb0\uc815\ub429\ub2c8\ub2e4. \uc720\uc804\uc728 \\(\\epsilon\\)\ub294 \ubb3c\uc9c8\uc774 \uc804\uae30\uc7a5\uc744 \uc5bc\ub9c8\ub098 \uc798 \uc800\uc7a5\ud560 \uc218 \uc788\ub294\uc9c0\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n

    2. \ub3c4\uccb4<\/h3>\n

    \ub3c4\uccb4\ub294 \uc790\uc720 \uc804\uc790\ub4e4\uc774 \ud48d\ubd80\ud558\uc5ec \uc804\uc790\uae30\ud30c\uac00 \ubb3c\uc9c8\uc744 \ud1b5\uacfc\ud560 \ub54c \uc0c1\ub2f9\ud55c \uc190\uc2e4\uc744 \uc785\uc2b5\ub2c8\ub2e4. \uc804\uc790\uae30\ud30c\uac00 \ub3c4\uccb4\uc5d0 \ub2ff\uc73c\uba74 \uc8fc\ub85c \ubc18\uc0ac\ub418\uba70, \uc77c\ubd80 \uc5d0\ub108\uc9c0\ub294 \ub3c4\uccb4 \ub0b4\ubd80\uc5d0\uc11c \uc804\ub958 \ud615\ud0dc\ub85c \ubcc0\ud658\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc804\ub958\ub294 \uc800\ud56d(resistance)\uc5d0 \uc758\ud574 \uc5f4\ub85c \uc804\ud658\ub429\ub2c8\ub2e4.<\/p>\n

    3. \uc790\uc131\uccb4<\/h3>\n

    \uc790\uc131\uccb4\ub294 \uc790\uae30\uc7a5\uacfc \uc0c1\ud638\uc791\uc6a9\ud558\ub294 \uc131\uc9c8\uc744 \uac00\uc9c0\uace0 \uc788\uc73c\uba70, \uc790\uc131\uccb4 \ub0b4\ubd80\ub97c \ud1b5\uacfc\ud558\ub294 \uc804\uc790\uae30\ud30c\ub294 \uc790\ud654(magnetization)\uc5d0 \uc601\ud5a5\uc744 \ubc1b\uc2b5\ub2c8\ub2e4. \uc790\uc131\uccb4\uc758 \ud22c\uc790\uc728(permeability)\uc740 \uc804\uc790\uae30\ud30c\uc758 \uc804\ud30c \uc18d\ub3c4\uc640 \uc804\uc790\uae30\ud30c\uac00 \uc790\uc131\uccb4\uc640 \uc5b4\ub5bb\uac8c \uc0c1\ud638\uc791\uc6a9\ud558\ub294\uc9c0\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4. \ud22c\uc790\uc728 \\(\\mu\\)\ub294 \uc790\uae30\uc7a5\uc5d0 \ub300\ud55c \ubb3c\uc9c8\uc758 \uc751\ub2f5\ub3c4\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n

    \ubcc0\uc870\ubb3c\uc9c8\uacfc \uc804\uc790\uae30\ud30c \uc0c1\ud638\uc791\uc6a9\uc758 \uc218\ud559\uc801 \ubaa8\ub378<\/h2>\n

    \ub9e5\uc2a4\uc6f0 \ubc29\uc815\uc2dd(Maxwell’s Equations)\uc740 \ubcc0\uc870\ubb3c\uc9c8\uc774 \uc804\uc790\uae30\ud30c\uc758 \ud2b9\uc131\uacfc \ud589\ub3d9\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc744 \uc124\uba85\ud558\ub294 \ub370 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \uae30\ubcf8 \ud615\ud0dc\uc758 \ub9e5\uc2a4\uc6f0 \ubc29\uc815\uc2dd\uc785\ub2c8\ub2e4:<\/p>\n

    \n\\(\\nabla \\cdot \\mathbf{E} = \\frac{\\rho}{\\epsilon}\\)\n\n\\(\\nabla \\cdot \\mathbf{B} = 0\\)\n\n\\(\\nabla \\times \\mathbf{E} = -\\frac{\\partial \\mathbf{B}}{\\partial t}\\)\n\n\\(\\nabla \\times \\mathbf{B} = \\mu \\left(\\mathbf{J} + \\epsilon \\frac{\\partial \\mathbf{E}}{\\partial t}\\right)\\)\n<\/pre>\n
    \uc5ec\uae30\uc11c \\(\\mathbf{E}\\)\ub294 \uc804\uae30\uc7a5, \\(\\mathbf{B}\\)\ub294 \uc790\uae30\uc7a5, \\(\\rho\\)\ub294 \uc804\ud558 \ubc00\ub3c4, \\(\\mathbf{J}\\)\ub294 \uc804\ub958 \ubc00\ub3c4\ub97c \ub098\ud0c0\ub0b4\uba70, \\(\\epsilon\\)\uc740 \uc720\uc804\uc728, \\(\\mu\\)\ub294 \ud22c\uc790\uc728\uc785\ub2c8\ub2e4.<\/p>\n
    \uacb0\ub860<\/h2>\n
    \ubcc0\uc870\ubb3c\uc9c8\uc740 \uc804\uc790\uae30\ud30c\uc758 \ud2b9\uc131\uacfc \ud589\ub3d9\uc5d0 \ub9e4\uc6b0 \uc911\uc694\ud55c \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \uc720\uc804\uccb4\ub294 \uc804\uc790\uae30\ud30c\ub97c \ud1b5\uacfc\uc2dc\ud0a4\uace0 \uad74\uc808\uc2dc\ud0a4\uba70, \ub3c4\uccb4\ub294 \uc804\uc790\uae30\ud30c\ub97c \uc8fc\ub85c \ubc18\uc0ac\ud558\uace0 \uc5d0\ub108\uc9c0\ub97c \ud761\uc218\ud558\uba70, \uc790\uc131\uccb4\ub294 \uc790\uae30\uc7a5\uacfc\uc758 \uc0c1\ud638\uc791\uc6a9\uc744 \ud1b5\ud574 \uc804\uc790\uae30\ud30c\uc758 \uc804\ud30c\ub97c \ubcc0\ud654\uc2dc\ud0b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ub2e4\uc591\ud55c \uc0c1\ud638\uc791\uc6a9\uc740 \uc804\uc790\uae30\ud30c\uc758 \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"
    \ubcc0\uc870\ubb3c\uc9c8\uc774 \uc804\uc790\uae30\ud30c\uc758 \ud2b9\uc131\uacfc \ud589\ub3d9\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc744 \ud0d0\uad6c\ud558\uc5ec, \ubcc0\uc870\uac00 \uc2e0\ud638 \uc804\ub2ec \ubc0f \ud1b5\uc2e0 \uae30\uc220\uc5d0 \uc5b4\ub5bb\uac8c \uc601\ud5a5\uc744 \ubbf8\uce58\ub294\uc9c0 \uc54c\uc544\ubd05\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":[101],"tags":[],"class_list":["post-213702","post","type-post","status-publish","format-standard","hentry","category-101","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"\n\ubcc0\uc870\ubb3c\uc9c8\uc774 \uc804\uc790\uae30\ud30c\uc758 \ud2b9\uc131\uacfc \ud589\ub3d9\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5<\/title>\n<meta name=\"description\" content=\"\ubcc0\uc870\ubb3c\uc9c8\uc774 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