{"id":212732,"date":"2024-09-30T23:00:55","date_gmt":"2024-09-30T23:00:55","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/?p=212732"},"modified":"2024-09-30T23:00:55","modified_gmt":"2024-09-30T23:00:55","slug":"%ea%b7%a0%ec%9d%bc%ed%95%98%ea%b2%8c-%ed%95%98%ec%a0%84%eb%90%9c-%eb%a7%89%eb%8c%80%ec%97%90-%ec%9d%98%ed%95%9c-%ec%a0%84%ea%b8%b0%ec%9e%a5%ec%9d%84-%ea%b3%84%ec%82%b0%ed%95%98%eb%8a%94-%eb%b0%a9","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ea%b7%a0%ec%9d%bc%ed%95%98%ea%b2%8c-%ed%95%98%ec%a0%84%eb%90%9c-%eb%a7%89%eb%8c%80%ec%97%90-%ec%9d%98%ed%95%9c-%ec%a0%84%ea%b8%b0%ec%9e%a5%ec%9d%84-%ea%b3%84%ec%82%b0%ed%95%98%eb%8a%94-%eb%b0%a9\/","title":{"rendered":"\uade0\uc77c\ud558\uac8c \ud558\uc804\ub41c \ub9c9\ub300\uc5d0 \uc758\ud55c \uc804\uae30\uc7a5\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95"},"content":{"rendered":"

\uade0\uc77c\ud558\uac8c \ud558\uc804\ub41c \ub9c9\ub300\uc5d0 \uc758\ud55c \uc804\uae30\uc7a5\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uc138\uc694. \ub2e8\uacc4\ubcc4 \uac00\uc774\ub4dc\uc640 \uacf5\uc2dd\uc73c\ub85c \uc804\uae30\uc7a5 \uacc4\uc0b0\uc744 \uc27d\uac8c \uc774\ud574\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uade0\uc77c\ud558\uac8c \ud558\uc804\ub41c \ub9c9\ub300\uc5d0 \uc758\ud55c \uc804\uae30\uc7a5\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95<\/h2>\n

\uade0\uc77c\ud558\uac8c \ud558\uc804\ub41c \ub9c9\ub300\ub294 \uc804\uae30\uc7a5\uc758 \uae30\ubcf8\uc801\uc778 \uc608\uc81c\ub85c \uc790\uc8fc \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 \uade0\uc77c\ud558\uac8c \ud558\uc804\ub41c \ub9c9\ub300\uc5d0 \uc758\ud55c \uc804\uae30\uc7a5\uc744 \uc5b4\ub5bb\uac8c \uacc4\uc0b0\ud558\ub294\uc9c0 \ub2e8\uacc4\ubcc4\ub85c \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n

\uae30\ubcf8 \uac1c\ub150<\/h2>\n

\ub9c9\ub300\uac00 \uae38\uc774 L<\/i>\ub85c \uade0\uc77c\ud558\uac8c \ud558\uc804\ub418\uc5c8\ub2e4\uace0 \uac00\uc815\ud569\uc2dc\ub2e4. \ud558\uc804 \ubc00\ub3c4 \u03bb (\ub78c\ub2e4)<\/i>\ub294 \ub9c9\ub300\uc758 \ub2e8\uc704 \uae38\uc774\ub2f9 \uc804\ud558\ub97c \ub098\ud0c0\ub0b4\uba70, \uc774 \ubc00\ub3c4\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uc815\uc758\ub429\ub2c8\ub2e4:<\/p>\n

\u03bb = \\(\\frac{Q}{L}\\)<\/p>\n

\uc5ec\uae30\uc11c Q<\/i>\ub294 \ub9c9\ub300\uc758 \uc804\uccb4 \uc804\ud558\ub7c9\uc785\ub2c8\ub2e4. \ub9c9\ub300\uc758 \uac01 \ubbf8\uc18c \uae38\uc774 dx<\/i>\ub294 \uc804\ud558\ub7c9 dq<\/i>\ub97c \uac00\uc9c0\uba70, \uc774\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \ud45c\ud604\ub429\ub2c8\ub2e4:<\/p>\n

dq = \u03bb * dx<\/p>\n

\uc804\uae30\uc7a5\uc758 \uacc4\uc0b0<\/h2>\n

\ub9c9\ub300\uc758 \ud2b9\uc815 \uc9c0\uc810\uc5d0\uc11c \uc804\uae30\uc7a5\uc744 \uacc4\uc0b0\ud558\ub824\uba74 \uc801\ubd84\uc744 \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4. \ub9c9\ub300\uc758 \ud55c \uc810 P<\/i>\ub97c \uae30\uc900\uc73c\ub85c \uac70\ub9ac x<\/i> \uc704\uc5d0 \uc788\ub294 \uc810\uc758 \uc804\uae30\uc7a5\uc744 \uacc4\uc0b0\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \ub9cc\uc57d P<\/i>\uac00 \ub9c9\ub300\uc758 \uc911\uc2ec\uc5d0 \uc704\uce58\ud574 \uc788\ub2e4\uba74, \uc804\uae30\uc7a5\uc740 \ub9c9\ub300\uc758 \uc591 \ub05d\uc73c\ub85c\ubd80\ud130\uc758 \ub300\uce6d\uc131\uc744 \uac00\uc9c0\uac8c \ub429\ub2c8\ub2e4.<\/p>\n

\ubbf8\uc18c \uc804\uae30\uc7a5<\/h2>\n

\uac01 \ubbf8\uc18c \uae38\uc774 dx<\/i>\uc5d0 \uc758\ud574 \uc0dd\uc131\ub418\ub294 \uc804\uae30\uc7a5\uc744 dE<\/i>\ub77c\uace0 \ud558\uaca0\uc2b5\ub2c8\ub2e4. \uc774 \ubbf8\uc18c \uc804\uae30\uc7a5\uc740 \ucfe8\ub871\uc758 \ubc95\uce59\uc5d0 \ub530\ub77c \ub2e4\uc74c\uacfc \uac19\uc774 \uc8fc\uc5b4\uc9d1\ub2c8\ub2e4:<\/p>\n

dE = \\(\\frac{k_e * dq}{r^2}\\)<\/p>\n

\uc5ec\uae30\uc11c k_e<\/i>\ub294 \ucfe8\ub871 \uc0c1\uc218\uc774\uba70, r<\/i>\uc740 \ubbf8\uc18c \uc804\ud558 dq\uc640 \uc810 P<\/i> \uc0ac\uc774\uc758 \uac70\ub9ac\uc785\ub2c8\ub2e4.<\/p>\n

\uc801\ubd84<\/h2>\n

\uc804\uccb4 \uc804\uae30\uc7a5\uc744 \uacc4\uc0b0\ud558\uae30 \uc704\ud574\uc11c\ub294 \ub9c9\ub300 \uc804\uccb4\uc5d0 \uac78\uce5c \ubbf8\uc18c \uc804\uae30\uc7a5\uc744 \uc801\ubd84\ud574\uc57c \ud569\ub2c8\ub2e4:<\/p>\n

E = \\(\\int_{-L\/2}^{L\/2} \\frac{k_e * \u03bb * dx}{r^2}\\)<\/p>\n

\uac70\ub9ac r<\/i>\uc740 \ub9c9\ub300\uc758 \uac01 \uc810\uacfc \uc810 P<\/i> \uc0ac\uc774\uc758 \uac70\ub9ac\ub85c, \uc774\ub294 \ud53c\ud0c0\uace0\ub77c\uc2a4\uc758 \uc815\ub9ac\uc5d0 \uc758\ud574 \uad6c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub9cc\uc57d \uc810 P<\/i>\uac00 \ub9c9\ub300\uc758 \uc911\uc2ec\uc73c\ub85c\ubd80\ud130 \uc218\uc9c1 \uac70\ub9ac y<\/i>\ub9cc\ud07c \ub5a8\uc5b4\uc838 \uc788\ub2e4\uba74:<\/p>\n

r = \\(\\sqrt{x^2 + y^2}\\)<\/p>\n

\uc774\ub97c \uc2dd\uc5d0 \ub300\uc785\ud558\uba74:<\/p>\n

E = \\(\\int_{-L\/2}^{L\/2} \\frac{k_e * \u03bb * dx}{(x^2 + y^2)}\\)<\/p>\n

\ucd5c\uc885 \uacb0\uacfc<\/h2>\n

\uc801\ubd84\uc758 \uacb0\uacfc\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n

E = \\(\\frac{2 * k_e * \u03bb}{y} * \\left( \\frac{L\/2}{\\sqrt{(L\/2)^2 + y^2}} \\right)\\)<\/p>\n

\uc774\ub294 \uade0\uc77c\ud558\uac8c \ud558\uc804\ub41c \ub9c9\ub300\ub85c\ubd80\ud130 \ud2b9\uc815 \uac70\ub9ac\uc5d0\uc11c\uc758 \uc804\uae30\uc7a5\uc744 \uad6c\ud558\ub294 \uc77c\ubc18\uc801\uc778 \uacf5\uc2dd\uc785\ub2c8\ub2e4. \uc774\ub97c \uc751\uc6a9\ud558\uc5ec \ub2e4\uc591\ud55c \uc704\uce58\uc5d0\uc11c\uc758 \uc804\uae30\uc7a5\uc744 \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uacb0\ub860<\/h2>\n

\uc774\uc640 \uac19\uc774 \uade0\uc77c\ud558\uac8c \ud558\uc804\ub41c \ub9c9\ub300\uc5d0 \uc758\ud55c \uc804\uae30\uc7a5\uc744 \uacc4\uc0b0\ud558\ub294 \uac83\uc740 \uae30\ubcf8\uc801\uc778 \uc801\ubd84\uacfc \ucfe8\ub871\uc758 \ubc95\uce59\uc744 \uc774\ud574\ud558\ub294 \ub370 \ub3c4\uc6c0\uc744 \uc90d\ub2c8\ub2e4. \uc804\uae30\uc7a5\uc744 \uacc4\uc0b0\ud558\ub294 \ub2e4\uc591\ud55c \ubc29\ubc95\uc744 \uc775\ud600 \ub450\uba74 \uc804\uae30\uc7a5 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \ub370 \ud070 \ub3c4\uc6c0\uc774 \ub420 \uac83\uc785\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"

\uade0\uc77c\ud558\uac8c \ud558\uc804\ub41c \ub9c9\ub300\uc5d0 \uc758\ud55c \uc804\uae30\uc7a5\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uc138\uc694. \ub2e8\uacc4\ubcc4 \uac00\uc774\ub4dc\uc640 \uacf5\uc2dd\uc73c\ub85c \uc804\uae30\uc7a5 \uacc4\uc0b0\uc744 \uc27d\uac8c \uc774\ud574\ud560 \uc218 \uc788\uc2b5\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-212732","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\uade0\uc77c\ud558\uac8c \ud558\uc804\ub41c \ub9c9\ub300\uc5d0 \uc758\ud55c \uc804\uae30\uc7a5\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95<\/title>\n<meta name=\"description\" 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