{"id":208784,"date":"2024-03-21T14:07:25","date_gmt":"2024-03-21T14:07:25","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%eb%b6%84%ec%88%98-%ec%a0%84%ed%95%98-%eb%b0%a9%ec%a0%95%ec%8b%9d-%ec%a0%95%ec%9d%98-%ea%b3%84%ec%82%b0-%eb%b0%8f-%ec%9d%91%ec%9a%a9\/"},"modified":"2024-05-15T11:33:08","modified_gmt":"2024-05-15T11:33:08","slug":"%eb%b6%84%ec%88%98-%ec%a0%84%ed%95%98-%eb%b0%a9%ec%a0%95%ec%8b%9d-%ec%a0%95%ec%9d%98-%ea%b3%84%ec%82%b0-%eb%b0%8f-%ec%9d%91%ec%9a%a9","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%eb%b6%84%ec%88%98-%ec%a0%84%ed%95%98-%eb%b0%a9%ec%a0%95%ec%8b%9d-%ec%a0%95%ec%9d%98-%ea%b3%84%ec%82%b0-%eb%b0%8f-%ec%9d%91%ec%9a%a9\/","title":{"rendered":"\ubd84\uc218 \uc804\ud558 \ubc29\uc815\uc2dd | \uc815\uc758, \uacc4\uc0b0 \ubc0f \uc751\uc6a9"},"content":{"rendered":"<p class=\"sidekick\">\ubd84\uc218 \uc804\ud558 \ubc29\uc815\uc2dd\uc740 \uc804\ud558 \ubd84\ud3ec\ub97c \uc218\ud559\uc801\uc73c\ub85c \uc124\uba85\ud558\uace0 \uc804\uae30\uc7a5 \ubc0f \uc804\uc704 \uacc4\uc0b0\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<h2>\ubd84\uc218 \uc804\ud558 \ubc29\uc815\uc2dd: \uc815\uc758\uc640 \uacc4\uc0b0<\/h2>\n<p>\ubd84\uc218 \uc804\ud558 \ubc29\uc815\uc2dd\uc740 \uc804\uae30 \ubc0f \uc790\uae30 \ubd84\uc57c\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc774 \ubc29\uc815\uc2dd\uc740 \uc804\ud558(Charge)\uac00 \ubd84\ud3ec\ud558\ub294 \ubc29\uc2dd\uc744 \uc218\ud559\uc801\uc73c\ub85c \uc124\uba85\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ud2b9\ud788, \uc5f0\uc18d\uccb4\ub098 \ubd84\uc0b0\ub41c \uc804\ud558 \uc2dc\uc2a4\ud15c\uc744 \ub2e4\ub8f0 \ub54c \uc720\uc6a9\ud558\uac8c \uc4f0\uc785\ub2c8\ub2e4. \uc774\ub7f0 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uac1c\ubcc4\uc801\uc778 \uc804\ud558\ub4e4\uc774 \uc544\ub2cc \uc804\ud558\uc758 \ubc00\ub3c4\ub97c \ub2e4\ub8e8\ub294 \uac83\uc774 \ud544\uc694\ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n<p>\uc804\ud558 \ubc00\ub3c4(charge density) \\(\\rho\\)\ub294 \ud2b9\uc815 \uccb4\uc801 \ub0b4\uc5d0 \uc788\ub294 \uc804\ud558\uc758 \uc591\uc744 \ub098\ud0c0\ub0b4\uba70, \ub2e8\uc704\ub294 \ucfe8\ub871\/\uc785\ubc29\ubbf8\ud130 (C\/m<sup>3<\/sup>)\uc785\ub2c8\ub2e4. \uc804\ud558 \ubc00\ub3c4\ub97c \uc774\uc6a9\ud574 \uc804\uccb4 \uc804\ud558\ub97c \uacc4\uc0b0\ud560 \uc218 \uc788\ub294\ub370, \uc774\ub97c \uc704\ud574 \ub2e4\uc74c\uacfc \uac19\uc740 \uc801\ubd84 \ubc29\uc815\uc2dd\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4:<\/p>\n<p>\\[ Q = \\int \\rho \\, dV \\]<\/p>\n<p>\uc5ec\uae30\uc11c \\( Q \\)\ub294 \uc804\uccb4 \uc804\ud558, \\(\\rho\\)\ub294 \uc804\ud558 \ubc00\ub3c4, \uadf8\ub9ac\uace0 \\( dV \\)\ub294 \ubbf8\uc18c \uccb4\uc801 \uc694\uc18c\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n<h2>\ubd84\uc218 \uc804\ud558 \ubc29\uc815\uc2dd\uc758 \uc751\uc6a9<\/h2>\n<p>\uc774 \ubc29\uc815\uc2dd\uc740 \ub2e4\uc591\ud55c \uacf5\ud559 \ubc0f \ubb3c\ub9ac\ud559\uc801 \ubb38\uc81c \ud574\uacb0\uc5d0 \uc801\uc6a9\ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc804\uae30\uc7a5(electric field)\uacfc \uc804\uc704(voltage)\ub97c \uacc4\uc0b0\ud560 \ub54c \ud544\uc218\uc801\uc778 \uae30\ubc18 \uc815\ubcf4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc804\uae30\uc7a5\uc740 \uc804\ud558 \ubc00\ub3c4\uc5d0 \ube44\ub840\ud558\uc5ec \ubc1c\uc0dd\ud558\uba70, \uc804\ud558\uc758 \ubd84\ud3ec\uc5d0 \ub530\ub77c \uc804\uae30\uc7a5\uc758 \ud615\ud0dc\uac00 \uacb0\uc815\ub429\ub2c8\ub2e4. \uc804\uae30\uc7a5 \\( \\vec{E} \\)\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \ucfe8\ub871\uc758 \ubc95\uce59\uc744 \uc0ac\uc6a9\ud558\uc5ec \uacc4\uc0b0\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<p>\\[ \\vec{E} = \\frac{1}{4\\pi\\epsilon_0} \\int \\frac{\\rho(\\vec{r}) (\\vec{r} &#8211; \\vec{r&#8217;})}{|\\vec{r} &#8211; \\vec{r&#8217;}|^3} \\, dV&#8217; \\]<\/p>\n<p>\uc5ec\uae30\uc11c \\( \\vec{r} \\)\uacfc \\( \\vec{r&#8217;} \\)\uc740 \uac01\uac01 \uad00\uce21 \uc9c0\uc810\uacfc \uc804\ud558 \uc6d0\uc18c\uc758 \uc704\uce58 \ubca1\ud130, \\( \\epsilon_0 \\)\ub294 \uc9c4\uacf5\uc758 \uc720\uc804\uc728\uc785\ub2c8\ub2e4. \uc774 \uacf5\uc2dd\uc744 \ud1b5\ud574, \uc6b0\ub9ac\ub294 \ud2b9\uc815\ud55c \uc804\ud558 \ubd84\ud3ec\uac00 \uc8fc\ubcc0 \uacf5\uac04\uc5d0 \uc5b4\ub5a0\ud55c \uc804\uae30\uc7a5\uc744 \uc0dd\uc131\ud558\ub294\uc9c0 \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ub610\ud55c, \uc774 \ubc29\uc815\uc2dd\uc740 \uc804\uae30 \ud68c\ub85c \uc124\uacc4, \uc804\uc790\uae30 \ud638\ud658\uc131(EMC) \ubd84\uc11d, \uc2ec\uc9c0\uc5b4\ub294 \ucc9c\uccb4 \ubb3c\ub9ac\ud559\uc5d0\uc11c\ub3c4 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ud558\uc804 \uc785\uc790\ub4e4\uc758 \ub3d9\uc801\uc778 \uac70\ub3d9\uc744 \uc608\uce21\ud558\uace0, \uadf8\uc5d0 \ub530\ub978 \uc7a0\uc7ac\uc801 \uc601\ud5a5\uc744 \ud3c9\uac00\ud558\ub294 \ub370 \ud544\uc218\uc801\uc778 \ub3c4\uad6c\uc785\ub2c8\ub2e4.<\/p>\n<h2>\uc2e4\uc0dd\ud65c\uc5d0\uc11c\uc758 \ud65c\uc6a9 \uc0ac\ub840<\/h2>\n<p>\ubd84\uc218 \uc804\ud558 \ubc29\uc815\uc2dd\uc740 \uc2e4\uc0dd\ud65c\uc5d0\uc11c\ub3c4 \uc5ec\ub7ec \ubc29\uba74\uc73c\ub85c \ud65c\uc6a9\ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc0ac\ubb34\uc2e4 \uac74\ubb3c\uc774\ub098 \uac00\uc815\uc758 \uc804\uae30 \uc124\uce58 \uc2dc, \uc804\uae30 \ubc30\uc120 \uc124\uacc4\uc5d0 \uc788\uc5b4\uc11c \uc774\uc804\ud558\uc758 \ubd84\ud3ec\ub97c \uace0\ub824\ud558\uc5ec \uc548\uc804\ud558\uace0 \ud6a8\uc728\uc801\uc778 \uc804\uae30 \uc2dc\uc2a4\ud15c\uc744 \uad6c\ucd95\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c, \uc758\ub8cc \uc7a5\ube44\uc758 \uc124\uacc4 \ubc0f \uc9c4\ub2e8\uc5d0\uc11c\ub3c4 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. MRI(Magnetic Resonance Imaging)\uc640 \uac19\uc740 \uc7a5\ube44\ub294 \ub9e4\uc6b0 \uc815\ubc00\ud55c \uc804\uc790\uae30 \ud544\ub4dc\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc778\uccb4 \ub0b4\ubd80\uc758 \uc815\ubc00\ud55c \uc774\ubbf8\uc9c0\ub97c \uc0dd\uc131\ud558\ub294\ub370, \uc774 \uacbd\uc6b0 \ubd84\uc218 \uc804\ud558 \ubc29\uc815\uc2dd\uc744 \ud1b5\ud574 \ud544\ub4dc\uac00 \uc5b4\ub5bb\uac8c \uc0dd\uc131\ub418\uace0 \ubd84\ud3ec\ud558\ub294\uc9c0 \uc774\ud574\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc774\ub807\ub4ef \ubd84\uc218 \uc804\ud558 \ubc29\uc815\uc2dd\uc740 \ubcf5\uc7a1\ud55c \uc804\ud558 \ubd84\ud3ec\ub97c \uc774\ud574\ud558\uae30 \uc704\ud55c \uac15\ub825\ud55c \ub3c4\uad6c\ub85c\uc11c, \uacf5\ud559\uacfc \ubb3c\ub9ac\ud559\uc5d0\uc11c \ubfd0\ub9cc \uc544\ub2c8\ub77c \uc77c\uc0c1 \uc0dd\ud65c\uc5d0\uc11c\ub3c4 \uc911\uc694\ud55c \uae30\ucd08 \uc9c0\uc2dd\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774 \ubc29\uc815\uc2dd\uc758 \uc774\ud574\ub294 \ub2e4\uc591\ud55c \ud604\uc0c1\uc758 \uadfc\ubcf8\uc801 \uc774\ud574\ub97c \uac00\ub2a5\ud558\uac8c \ud558\uba70, \ud604\ub300 \uae30\uc220\uc758 \ubc1c\uc804\uc5d0 \uae30\uc5ec\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ubb3c\ub9ac\ud559\uacfc \uacf5\ud559\uc758 \uc138\uacc4\uc5d0\uc11c \uc774\ub7ec\ud55c \ubd84\uc218 \uc804\ud558 \ubc29\uc815\uc2dd\uc744 \ud1b5\ud574 \ub354 \ub9ce\uc740 \ubc1c\uacac\uacfc \ud601\uc2e0\uc774 \uc774\ub8e8\uc5b4\uc9c8 \uac83\uc785\ub2c8\ub2e4. \uace0\uae09 \uacf5\ud559 \ubb38\uc81c \ud574\uacb0\ubfd0\ub9cc \uc544\ub2c8\ub77c, \uc6b0\ub9ac\uc758 \uc77c\uc0c1 \uc0dd\ud65c \uc18d \ubb38\uc81c \ud574\uacb0\uc5d0\ub3c4 \ud070 \ub3c4\uc6c0\uc744 \uc8fc\ub294 \ud559\ubb38\uc758 \uae30\ucd08\uc785\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ubd84\uc218 \uc804\ud558 \ubc29\uc815\uc2dd\uc740 \uc804\ud558 \ubd84\ud3ec\ub97c \uc218\ud559\uc801\uc73c\ub85c \uc124\uba85\ud558\uace0 \uc804\uae30\uc7a5 \ubc0f \uc804\uc704 \uacc4\uc0b0\uc5d0 \uc0ac\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-208784","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 - 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