{"id":147410,"date":"2024-04-27T14:03:55","date_gmt":"2024-04-27T14:03:55","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%ec%96%91%eb%8b%a8-%eb%b6%80%ed%95%98-%ec%84%b8%ed%8f%ac\/"},"modified":"2024-04-27T14:04:03","modified_gmt":"2024-04-27T14:04:03","slug":"%ec%96%91%eb%8b%a8-%eb%b6%80%ed%95%98-%ec%84%b8%ed%8f%ac","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ec%96%91%eb%8b%a8-%eb%b6%80%ed%95%98-%ec%84%b8%ed%8f%ac\/","title":{"rendered":"\uc591\ub2e8 \ubd80\ud558 \uc138\ud3ec"},"content":{"rendered":"

\uc591\ub2e8 \ubd80\ud558 \uc138\ud3ec\uc758 \uc6d0\ub9ac\uc640 \uad6c\uc131\uc744 \uc124\uba85\ud558\uba70, \uc804\uae30\uc801 \ubc0f \uc790\uae30\uc801 \ubaa8\uba58\ud2b8\uc640 \uc774\ub85c \uc778\ud55c \uc804\uae30\uc7a5\uacfc \uc790\uae30\uc7a5\uc758 \uacf5\ud559\uc801 \uc751\uc6a9\uc744 \uc18c\uac1c\ud569\ub2c8\ub2e4.<\/p>\n

\"\uc591\ub2e8<\/p>\n

\uc591\ub2e8 \ubd80\ud558 \uc138\ud3ec\uc758 \uae30\ubcf8 \uc774\ud574<\/h2>\n

\uc591\ub2e8 \ubd80\ud558 \uc138\ud3ec(Dipole Load Cell)\ub294 \uc804\uae30\uc640 \uc790\uae30 \ubd84\uc57c\uc5d0\uc11c \uc911\uc694\ud55c \uac1c\ub150 \uc911 \ud558\ub098\ub85c, \uc804\uae30\uc801\uc778 \uc131\uc9c8\uacfc \uc790\uae30\uc801 \uc131\uc9c8\uc774 \uc11c\ub85c \ubc00\uc811\ud558\uac8c \uc5f0\uad00\ub418\uc5b4 \uc788\uc74c\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \uc591\ub2e8 \ubd80\ud558\ub77c\ub294 \uc6a9\uc5b4\ub294 \ub450 \uac1c\uc758 \uc804\ud558\uac00 \uc77c\uc815\ud55c \uac70\ub9ac\ub97c \ub450\uace0 \ubd84\ub9ac\ub418\uc5b4 \uc788\ub294 \uad6c\uc870\ub97c \ub9d0\ud569\ub2c8\ub2e4. \uc774 \ub450 \uc804\ud558\uc758 \uc804\uae30\uc801 \uc131\uc9c8\uc774 \uc11c\ub85c \ubc18\ub300\uc778 \uacbd\uc6b0(\ud558\ub098\ub294 \uc591\uc758 \uc804\ud558, \ub2e4\ub978 \ud558\ub098\ub294 \uc74c\uc758 \uc804\ud558) \uc591\ub2e8 \ubd80\ud558(dipole)\uac00 \ud615\uc131\ub429\ub2c8\ub2e4.<\/p>\n

\uc591\ub2e8 \ubd80\ud558 \uc138\ud3ec\uc758 \uad6c\uc131<\/h2>\n

\uc591\ub2e8 \ubd80\ud558 \uc138\ud3ec\ub294 \uc8fc\ub85c \ub450 \uac1c\uc758 \uc804\ud558, \uc989 ‘\uc591\uc804\ud558’\uc640 ‘\uc74c\uc804\ud558’\ub97c \ud3ec\ud568\ud569\ub2c8\ub2e4. \uc774 \ub450 \uc804\ud558\ub294 \ud2b9\uc815 \uac70\ub9ac \\( r \\) \ub85c \ubd84\ub9ac\ub418\uc5b4 \uc788\uc73c\uba70, \uc774\ub85c \uc778\ud574 \uc804\uae30\uc7a5\uc774\ub098 \uc790\uae30\uc7a5\uc744 \uc0dd\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc591\ub2e8 \ubd80\ud558\uc758 \ud3c9\uac00\ub97c \uc704\ud574\uc11c\ub294 \uc138\ud3ec \ub0b4\uc5d0 \uc0dd\uc131\ub418\ub294 \uc804\uae30\uc7a5\uacfc \uc774\ub85c \uc778\ud55c \ud798\uc758 \uacc4\uc0b0\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n

\uc804\uae30\uc801 \uc591\ub2e8 \ubaa8\uba58\ud2b8<\/h2>\n

\uc804\uae30\uc801 \uc591\ub2e8 \ubaa8\uba58\ud2b8\ub294 \uc138\ud3ec\uc758 \uc804\uae30\uc801 \ud2b9\uc131\uc744 \ub098\ud0c0\ub0b4\ub294 \uc911\uc694\ud55c \ud06c\uae30\uc785\ub2c8\ub2e4. \uc774 \ubaa8\uba58\ud2b8\ub97c \uacc4\uc0b0\ud558\uae30 \uc704\ud574 \ub450 \uc804\ud558 \\( q \\) \uc0ac\uc774\uc758 \uac70\ub9ac \\( r \\) \uacfc \uc804\ud558\uc758 \ud06c\uae30\ub97c \uacf1\ud55c \uac12\uc73c\ub85c \uc815\uc758\ub429\ub2c8\ub2e4. \uc218\uc2dd\uc73c\ub85c\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \ud45c\ud604\ub429\ub2c8\ub2e4:<\/p>\n

\\[ \\text{\uc804\uae30\uc801 \uc591\ub2e8 \ubaa8\uba58\ud2b8}(p) = q * r \\]<\/p>\n

\uc774 \ubaa8\uba58\ud2b8\ub294 \uc591\ub2e8 \ubd80\ud558 \uc138\ud3ec\uc5d0 \uc758\ud574 \uc0dd\uc131\ub41c \uc804\uae30\uc7a5\uc758 \uac15\ub3c4\uc640 \ubc29\ud5a5\uc744 \uacb0\uc815\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n

\uc591\ub2e8 \ubd80\ud558 \uc138\ud3ec\uc640 \uc804\uae30\uc7a5<\/h2>\n

\uc591\ub2e8 \ubd80\ud558\ub294 \uc8fc\ubcc0 \uacf5\uac04\uc5d0 \uc804\uae30\uc7a5\uc744 \uc720\ubc1c\ud569\ub2c8\ub2e4. \uc774 \uc804\uae30\uc7a5 \\( E \\) \ub294 \uc591\ub2e8 \ubd80\ud558\uc5d0\uc11c \ub098\uc624\ub294 \uc804\uc790\uae30\uc801 \ud798\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc804\uae30\uc7a5\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \uc2dd\uc73c\ub85c \ud45c\ud604\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n

\\[ E = \\frac{k * p}{r^3} \\]<\/p>\n

\uc5ec\uae30\uc11c \\( k \\)\ub294 \ucfe8\ub871 \uc0c1\uc218(Coulomb’s constant)\uc774\uba70, \\( p \\)\ub294 \uc804\uae30\uc801 \uc591\ub2e8 \ubaa8\uba58\ud2b8, \\( r \\)\ub294 \uac70\ub9ac\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc774 \uc2dd\uc740 \uc138\ud3ec\uac00 \uc8fc\ubcc0\uc5d0 \ubbf8\uce58\ub294 \uc804\uae30\uc801 \uc601\ud5a5\ub825\uc744 \uce21\uc815\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n

\uc790\uae30\uc801 \uc591\ub2e8 \ubaa8\uba58\ud2b8<\/h2>\n

\uc790\uae30\uc801 \uc591\ub2e8 \ubaa8\uba58\ud2b8\ub294 \uc591\ub2e8 \ubd80\ud558 \uc138\ud3ec\uc758 \uc790\uae30\uc801 \ud2b9\uc131\uc744 \ub098\ud0c0\ub0b4\ub294 \ud06c\uae30\uc785\ub2c8\ub2e4. \uc6c0\uc9c1\uc774\ub294 \uc804\ud558(\uc804\ub958)\ub294 \uc790\uae30\uc7a5\uc744 \uc0dd\uc131\ud558\uba70, \uc774\ub85c \uc778\ud574 \uc591\ub2e8 \ubd80\ud558 \uc138\ud3ec \ub0b4\uc678\uc758 \uc790\uae30\uc801 \ud658\uacbd\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \uc591\ub2e8 \ubd80\ud558 \uc138\ud3ec\uc5d0\uc11c\uc758 \uc790\uae30\uc801 \uc591\ub2e8 \ubaa8\uba58\ud2b8\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uc815\uc758\ub429\ub2c8\ub2e4:<\/p>\n

\\[ \\text{\uc790\uae30\uc801 \uc591\ub2e8 \ubaa8\uba58\ud2b8}(m) = I * A \\]<\/p>\n

\uc5ec\uae30\uc11c \\( I \\)\ub294 \uc804\ub958\uc758 \ud06c\uae30, \\( A \\)\ub294 \ud68c\ub85c\uc758 \uba74\uc801\uc774\uba70, \uc774\ub4e4\uc758 \uacf1\uc740 \uc138\ud3ec\uac00 \uc0dd\uc131\ud558\ub294 \uc790\uae30\uc7a5\uc758 \uac15\ub3c4\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n

\uc591\ub2e8 \ubd80\ud558 \uc138\ud3ec\uc640 \uc790\uae30\uc7a5<\/h2>\n

\uc591\ub2e8 \ubd80\ud558 \uc138\ud3ec\uc5d0 \uc758\ud574 \uc0dd\uc131\ub418\ub294 \uc790\uae30\uc7a5\uc740 \uc624\ub978\uc190 \ubc95\uce59\uc5d0 \uc758\ud574 \uacb0\uc815\ub429\ub2c8\ub2e4. \uc138\ud3ec\uc5d0 \ud750\ub974\ub294 \uc804\ub958\uc758 \ubc29\ud5a5\uacfc \uc138\ud3ec\uc758 \ud615\ud0dc\uc5d0 \ub530\ub77c \uc790\uae30\uc7a5\uc758 \ubc29\ud5a5\uacfc \uac15\ub3c4\uac00 \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \uc790\uae30\uc7a5\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \uc2dd\uc73c\ub85c \ud45c\ud604\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n

\\[ B = \\frac{\\mu_0}{4\\pi} \\times \\frac{m}{r^3} \\]<\/p>\n

\uc5ec\uae30\uc11c \\( B \\)\ub294 \uc790\uae30\uc7a5\uc758 \uac15\ub3c4, \\( \\mu_0 \\)\uc740 \uc9c4\uacf5\uc758 \uc790\uae30 \ud22c\uc790\uc728(vacuum permeability), \\( m \\)\uc740 \uc790\uae30\uc801 \uc591\ub2e8 \ubaa8\uba58\ud2b8, \uadf8\ub9ac\uace0 \\( r \\)\uc740 \uac70\ub9ac\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n

\uc591\ub2e8 \ubd80\ud558 \uc138\ud3ec\uc758 \uc751\uc6a9<\/h2>\n

\uc591\ub2e8 \ubd80\ud558 \uc138\ud3ec\uc758 \uc6d0\ub9ac\ub294 \ub2e4\uc591\ud55c \uc804\uae30 \ubc0f \uc804\uc790 \uc7a5\ube44, \uc13c\uc11c, \uadf8\ub9ac\uace0 \uc790\ub3d9\ud654 \uc2dc\uc2a4\ud15c\uc744 \ud3ec\ud568\ud55c \ub9ce\uc740 \uae30\uc220\uc801 \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \ucc3e\uc544\ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ud798, \uc555\ub825 \ub610\ub294 \uac00\uc18d\ub3c4 \uce21\uc815\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uc13c\uc11c\ub4e4\uc740 \uc885\uc885 \uc591\ub2e8 \ubd80\ud558 \uc138\ud3ec\ub97c \uae30\ubc18\uc73c\ub85c \ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc6b0\ub9ac\ub294 \uc804\uae30\uc640 \uc790\uae30\uc758 \uae30\ubcf8 \uc6d0\ub9ac\ub97c \uc774\ud574\ud558\uace0 \uc2e4\uc81c \uc138\uacc4\uc5d0\uc11c\uc758 \ub2e4\uc591\ud55c \uacf5\ud559 \ubb38\uc81c\uc5d0 \uc801\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc774\ucc98\ub7fc \uc591\ub2e8 \ubd80\ud558 \uc138\ud3ec\ub294 \uc804\uae30\uc640 \uc790\uae30 \ud604\uc0c1\uc744 \uc774\ud574\ud558\uace0 \ub2e4\uc591\ud55c \uae30\uc220\uc801 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \ub370 \uc788\uc5b4\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc591\ub2e8 \ubd80\ud558 \uc138\ud3ec\ub97c \ud1b5\ud574 \uc804\uae30\uc640 \uc790\uae30\uc758 \uc0c1\ud638 \uc791\uc6a9\uc744 \ubc00\uc811\ud558\uac8c \uc774\ud574\ud568\uc73c\ub85c\uc368, \uacfc\ud559\uacfc \uacf5\ud559 \ubd84\uc57c\uc5d0 \ub300\ud55c \uae4a\uc740 \uc9c0\uc2dd\uc744 \uae30\ub974\uace0, \uc2e4\uc0dd\ud65c\uc5d0 \uc801\uc6a9\ud560 \uc218 \uc788\ub294 \uae30\ubc18\uc744 \ub9c8\ub828\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"

\uc591\ub2e8 \ubd80\ud558 \uc138\ud3ec\uc758 \uc6d0\ub9ac\uc640 \uad6c\uc131\uc744 \uc124\uba85\ud558\uba70, \uc804\uae30\uc801 \ubc0f \uc790\uae30\uc801 \ubaa8\uba58\ud2b8\uc640 \uc774\ub85c \uc778\ud55c \uc804\uae30\uc7a5\uacfc \uc790\uae30\uc7a5\uc758 \uacf5\ud559\uc801 \uc751\uc6a9\uc744 \uc18c\uac1c\ud569\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":176498,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[88],"tags":[89],"class_list":["post-147410","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-88","tag-89","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"\n\uc591\ub2e8 \ubd80\ud558 \uc138\ud3ec | \uc791\ub3d9 \ubc29\uc2dd, \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8 \ubc0f \uc7a5\uc810<\/title>\n<meta name=\"description\" content=\"\uc591\ub2e8 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