{"id":208801,"date":"2024-03-21T14:07:31","date_gmt":"2024-03-21T14:07:31","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%ec%b2%b4%eb%a0%8c%ec%bd%94%ed%94%84-%eb%b3%b5%ec%82%ac-%ea%b3%b5%ec%8b%9d-%ec%a0%95%ec%9d%98-%ea%b3%84%ec%82%b0-%eb%b0%8f-%ed%99%9c%ec%9a%a9\/"},"modified":"2024-05-15T11:33:19","modified_gmt":"2024-05-15T11:33:19","slug":"%ec%b2%b4%eb%a0%8c%ec%bd%94%ed%94%84-%eb%b3%b5%ec%82%ac-%ea%b3%b5%ec%8b%9d-%ec%a0%95%ec%9d%98-%ea%b3%84%ec%82%b0-%eb%b0%8f-%ed%99%9c%ec%9a%a9","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ec%b2%b4%eb%a0%8c%ec%bd%94%ed%94%84-%eb%b3%b5%ec%82%ac-%ea%b3%b5%ec%8b%9d-%ec%a0%95%ec%9d%98-%ea%b3%84%ec%82%b0-%eb%b0%8f-%ed%99%9c%ec%9a%a9\/","title":{"rendered":"\uccb4\ub80c\ucf54\ud504 \ubcf5\uc0ac \uacf5\uc2dd | \uc815\uc758, \uacc4\uc0b0 \ubc0f \ud65c\uc6a9"},"content":{"rendered":"<p class=\"sidekick\">\uccb4\ub80c\ucf54\ud504 \ubcf5\uc0ac\ub294 \ub9e4\uc9c8\uc744 \ud1b5\uacfc\ud558\ub294 \ucd08\uad11\uc18d \uc785\uc790\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \ube5b\uc758 \ud604\uc0c1\uc73c\ub85c, \ub2e4\uc591\ud55c \uacfc\ud559\uc801 \ubc0f \uae30\uc220\uc801 \ubd84\uc57c\uc5d0\uc11c \ud65c\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<h2>\uccb4\ub80c\ucf54\ud504 \ubcf5\uc0ac\uc758 \uc815\uc758<\/h2>\n<p>\uccb4\ub80c\ucf54\ud504 \ubcf5\uc0ac\ub294 \ube5b\ubcf4\ub2e4 \ube60\ub978 \uc18d\ub3c4\ub85c \uc6c0\uc9c1\uc774\ub294 \uc785\uc790\uac00 \ub9e4\uc9c8\uc744 \ud1b5\uacfc\ud560 \ub54c \ubc1c\uc0dd\ud558\ub294 \ube5b\uc758 \ud55c \ud615\ud0dc\uc785\ub2c8\ub2e4. \uc774 \ud604\uc0c1\uc740 \uc18c\ub828\uc758 \ubb3c\ub9ac\ud559\uc790 \ud30c\ubca8 \uccb4\ub80c\ucf54\ud504\uc5d0 \uc758\ud574 1934\ub144\uc5d0 \ubc1c\uacac\ub418\uc5c8\uc73c\uba70, \uadf8\uc758 \uc774\ub984\uc744 \ub530\uc11c \uba85\uba85\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uccb4\ub80c\ucf54\ud504 \ubcf5\uc0ac\ub294 \ud2b9\ud788 \uace0\uc5d0\ub108\uc9c0 \ubb3c\ub9ac\ud559 \uc2e4\ud5d8, \uc758\ub8cc \uc601\uc0c1 \uc9c4\ub2e8, \ud575 \ubc1c\uc804\uc18c \uac10\uc2dc \ub4f1 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/p>\n<h2>\uccb4\ub80c\ucf54\ud504 \ubcf5\uc0ac \ubc1c\uc0dd \uc6d0\ub9ac<\/h2>\n<p>\uccb4\ub80c\ucf54\ud504 \ubcf5\uc0ac\ub294 \uc785\uc790\uac00 \ub9e4\uc9c8 \ub0b4\uc5d0\uc11c \ube5b\uc758 \uc18d\ub3c4\ubcf4\ub2e4 \ube60\ub974\uac8c \uc6c0\uc9c1\uc77c \ub54c \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc774\ub54c \ub9e4\uc9c8\uc758 \uad74\uc808\ub960\uc774 \uc8fc\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ube5b\uc758 \uc18d\ub3c4\ub294 \uc9c4\uacf5\uc5d0\uc11c \uac00\uc7a5 \ube60\ub974\uc9c0\ub9cc, \ub2e4\ub978 \ub9e4\uc9c8\uc5d0\uc11c\ub294 \ub354 \ub290\ub824\uc9d1\ub2c8\ub2e4. \uc5b4\ub5a4 \uc785\uc790\uac00 \uadf8 \ub9e4\uc9c8\uc758 \ube5b\uc758 \uc18d\ub3c4\ubcf4\ub2e4 \ube60\ub974\uac8c \uc6c0\uc9c1\uc774\uba74, \uadf8 \uc785\uc790\uc640 \ub9e4\uc9c8\uc758 \uc804\uc790\ub4e4\uacfc\uc758 \uc0c1\ud638\uc791\uc6a9\uc73c\ub85c \uc778\ud574 \ube5b\uc774 \ubc29\ucd9c\ub429\ub2c8\ub2e4. \uc774 \ube5b\uc774 \ubc14\ub85c \uccb4\ub80c\ucf54\ud504 \ubcf5\uc0ac\uc785\ub2c8\ub2e4.<\/p>\n<h2>\uccb4\ub80c\ucf54\ud504 \ubcf5\uc0ac\uc758 \uacc4\uc0b0 \ubc29\ubc95<\/h2>\n<p>\uccb4\ub80c\ucf54\ud504 \ubcf5\uc0ac\ub97c \uacc4\uc0b0\ud558\ub294 \ud575\uc2ec \ubcc0\uc218\ub294 \uc785\uc790\uc758 \uc18d\ub3c4 v, \ube5b\uc758 \uc18d\ub3c4 c (\uc9c4\uacf5 \uc911\uc758 \uc18d\ub3c4), \uadf8\ub9ac\uace0 \ub9e4\uc9c8\uc758 \uad74\uc808\ub960 n\uc785\ub2c8\ub2e4. \uccb4\ub80c\ucf54\ud504 \ubcf5\uc0ac\uac00 \ubc1c\uc0dd\ud558\ub294 \uc870\uac74\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \ubd88\ub4f1\uc2dd\uc744 \ub9cc\uc871\ud560 \ub54c\uc785\ub2c8\ub2e4:<\/p>\n<pre>\nv > \\frac{c}{n}\n<\/pre>\n<p>\uccb4\ub80c\ucf54\ud504 \uac01\ub3c4 $\\theta$, \uc989 \ubc29\ucd9c\ub41c \ube5b\uc774 \uc785\uc790\uc758 \uc774\ub3d9 \ubc29\ud5a5\uacfc \uc774\ub8e8\ub294 \uac01\ub3c4\ub294 \ub2e4\uc74c \uacf5\uc2dd\uc73c\ub85c \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<pre>\n\\cos\\theta = \\frac{c}{nv}\n<\/pre>\n<p>\uc774 \uac01\ub3c4\ub294 \uc785\uc790\uc758 \uc18d\ub3c4\uc640 \ub9e4\uc9c8\uc758 \uad74\uc808\ub960\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \uc774 \uac01\ub3c4\uc758 \uc874\uc7ac\ub294 \uccb4\ub80c\ucf54\ud504 \ubcf5\uc0ac\uac00 \ubc1c\uc0dd\ud558\ub294 \ubc29\ud5a5\uacfc \uadf8 \uac15\ub3c4\ub97c \uc774\ud574\ud558\ub294 \ub370 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/p>\n<h2>\uccb4\ub80c\ucf54\ud504 \ubcf5\uc0ac\uc758 \ud65c\uc6a9<\/h2>\n<p>\uccb4\ub80c\ucf54\ud504 \ubcf5\uc0ac\ub294 \ub2e4\uc591\ud55c \uacfc\ud559\uc801 \ubc0f \uae30\uc220\uc801 \ubd84\uc57c\uc5d0\uc11c \ud65c\uc6a9\ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uccb4\ub80c\ucf54\ud504 \ubcf5\uc0ac\ub294 \ud575 \ubc18\uc751\uae30\uc5d0\uc11c \ubc29\ucd9c\ub418\ub294 \ubc29\uc0ac\uc131 \uc785\uc790\ub4e4\uc744 \uac10\uc9c0\ud558\uace0 \ubaa8\ub2c8\ud130\ub9c1\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ub610\ud55c, \uace0\uc5d0\ub108\uc9c0 \ubb3c\ub9ac\ud559\uc5d0\uc11c\ub294 \uc785\uc790\uac00 \uac00\uc18d\uae30 \ub4f1\uc744 \ud1b5\ud574 \uace0\uc18d\uc73c\ub85c \uc774\ub3d9\ud560 \ub54c \uccb4\ub80c\ucf54\ud504 \ubcf5\uc0ac\ub97c \uc774\uc6a9\ud558\uc5ec \uadf8 \uc785\uc790\ub4e4\uc758 \uc874\uc7ac\uc640 \uc18d\ub3c4\ub97c \uce21\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc758\ud559 \ubd84\uc57c\uc5d0\uc11c\ub294 \uccb4\ub80c\ucf54\ud504 \ubcf5\uc0ac\ub97c \uc774\uc6a9\ud558\uc5ec \ud2b9\uc815 \uc885\ub958\uc758 \uc554\uc744 \uc9c4\ub2e8\ud558\uace0 \uce58\ub8cc\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\uae30\ub3c4 \ud569\ub2c8\ub2e4. \uccb4\ub80c\ucf54\ud504 \ubcf5\uc0ac\ub97c \ud65c\uc6a9\ud558\ub294 \uc774\ubbf8\uc9d5 \uae30\uc220\uc740 \uc870\uc9c1\uc758 \uae4a\uc740 \ubd80\ubd84\uae4c\uc9c0 \uce68\ud22c\ud558\uc5ec \uace0\ud574\uc0c1\ub3c4\uc758 \uc601\uc0c1\uc744 \uc81c\uacf5\ud560 \uc218 \uc788\uc5b4, \uc9c4\ub2e8 \uc815\ud655\ub3c4\ub97c \ub192\uc774\ub294 \ub370 \uae30\uc5ec\ud569\ub2c8\ub2e4.<\/p>\n<p>\uccb4\ub80c\ucf54\ud504 \ubcf5\uc0ac\ub294 \uadf8 \uc790\uccb4\ub85c \ub9e4\ub825\uc801\uc778 \ubb3c\ub9ac \ud604\uc0c1\uc77c \ubfd0\ub9cc \uc544\ub2c8\ub77c, \uadf8 \uace0\uc720\uc758 \ud2b9\uc131 \ub54c\ubb38\uc5d0 \ub9ce\uc740 \uacfc\ud559\uc801 \ubc0f \uc751\uc6a9 \uc5f0\uad6c\uc5d0\uc11c \uc911\uc694\ud55c \ub3c4\uad6c\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774 \ubcf5\uc0ac \ud604\uc0c1\uc744 \uc774\ud574\ud558\uace0 \uacc4\uc0b0\ud558\ub294 \uac83\uc740 \uc774\ub7ec\ud55c \ubd84\uc57c\uc5d0\uc11c\uc758 \ubc1c\uc804\uc5d0 \ud06c\uac8c \uae30\uc5ec\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uccb4\ub80c\ucf54\ud504 \ubcf5\uc0ac\ub294 \ub9e4\uc9c8\uc744 \ud1b5\uacfc\ud558\ub294 \ucd08\uad11\uc18d \uc785\uc790\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \ube5b\uc758 \ud604\uc0c1\uc73c\ub85c, \ub2e4\uc591\ud55c \uacfc\ud559\uc801 \ubc0f \uae30\uc220\uc801 \ubd84\uc57c\uc5d0\uc11c \ud65c\uc6a9\ub429\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-208801","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>\uccb4\ub80c\ucf54\ud504 \ubcf5\uc0ac \uacf5\uc2dd | \uc815\uc758, \uacc4\uc0b0 \ubc0f \ud65c\uc6a9<\/title>\n<meta name=\"description\" content=\"\uccb4\ub80c\ucf54\ud504 \ubcf5\uc0ac\ub294 \ub9e4\uc9c8\uc744 \ud1b5\uacfc\ud558\ub294 \ucd08\uad11\uc18d \uc785\uc790\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \ube5b\uc758 \ud604\uc0c1\uc73c\ub85c, 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