{"id":148451,"date":"2024-04-27T16:30:10","date_gmt":"2024-04-27T16:30:10","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%ec%9e%90%ec%84%9d-%ec%8a%a4%ec%9c%84%ec%b9%98\/"},"modified":"2024-04-27T16:30:10","modified_gmt":"2024-04-27T16:30:10","slug":"%ec%9e%90%ec%84%9d-%ec%8a%a4%ec%9c%84%ec%b9%98","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ec%9e%90%ec%84%9d-%ec%8a%a4%ec%9c%84%ec%b9%98\/","title":{"rendered":"\uc790\uc11d \uc2a4\uc704\uce58"},"content":{"rendered":"<p class=\"sidekick\">\uc790\uc11d \uc2a4\uc704\uce58\uc758 \uc6d0\ub9ac\uc640 \uc751\uc6a9\uc744 \uc774\ud574\ud558\uae30 \uc704\ud55c \uae30\uc0ac\ub85c, \uc804\uae30 \ud68c\ub85c\ub97c \uc870\uc808\ud558\ub294 \uc790\uc11d\uc758 \uc778\ub825 \ubc0f \ucc99\ub825\uc744 \uc774\uc6a9\ud55c \uc7a5\uce58 \uae30\ub2a5\uacfc \uc2e4\uc0dd\ud65c\uc5d0\uc11c\uc758 \uc0ac\uc6a9 \uc608\uc2dc\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2024\/04\/\uc790\uc11d-\uc2a4\uc704\uce58.png\" alt=\"\uc790\uc11d \uc2a4\uc704\uce58\"\/><\/p>\n<h2>\uc790\uc11d \uc2a4\uc704\uce58\ub780 \ubb34\uc5c7\uc778\uac00?<\/h2>\n<p>\uc790\uc11d \uc2a4\uc704\uce58\ub294 \uc804\uae30 \ud68c\ub85c\uc758 \uc791\ub3d9\uc0c1\ud0dc\ub97c \uc870\uc808\ud558\ub294\ub370 \uc0ac\uc6a9\ub418\ub294 \uc7a5\uce58 \uc911 \ud558\ub098\ub85c, \uc790\uc11d\uc758 \uc131\uc9c8\uc744 \uc774\uc6a9\ud558\uc5ec \ub9cc\ub4e0 \uc2a4\uc704\uce58\uc785\ub2c8\ub2e4. \uc804\uae30\uc801 \uc2e0\ud638 \ud639\uc740 \ubb3c\ub9ac\uc801\uc778 \ud798\uc758 \uac1c\uc785 \uc5c6\uc774\ub3c4 \ud68c\ub85c\ub97c \uc5f4\uace0 \ub2eb\uc744 \uc218 \uc788\ub294\ub370, \ubc14\ub85c \uc790\uc11d\uc758 \uc778\ub825 \ud639\uc740 \ucc99\ub825\uc774 \uc791\uc6a9\ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \uc774\ucc98\ub7fc \uc790\uc11d\uacfc \uad00\ub828\ub41c \ud604\uc0c1\uc740 \uc804\uae30\uc640 \uc790\uae30\uc758 \uae30\ubcf8\uc801\uc778 \uc0c1\ud638\uc791\uc6a9\uc73c\ub85c, \uc774\ub97c \uc804\uc790\uae30\ud559\uc774\ub77c\uace0 \ubd80\ub985\ub2c8\ub2e4. \uc790\uc11d \uc2a4\uc704\uce58\ub294 \uc8fc\ub85c \uc811\uc810\uc774 \ub2eb\ud788\uba74\uc11c \uc804\uae30 \ud68c\ub85c\uac00 \uc644\uc131\ub418\ub294 \ubc29\uc2dd\uc73c\ub85c \uc791\ub3d9\ud569\ub2c8\ub2e4.<\/p>\n<h2>\uc790\uc11d \uc2a4\uc704\uce58\uc758 \uc6d0\ub9ac<\/h2>\n<p>\uc790\uc11d \uc2a4\uc704\uce58\uc758 \uae30\ubcf8 \uc6d0\ub9ac\ub294 \uac04\ub2e8\ud569\ub2c8\ub2e4. \uc790\uc11d\uc5d0 \uc758\ud574 \ub04c\ub9ac\ub294 \uae08\uc18d \ubd80\ud488\uc774 \uc2a4\uc704\uce58 \ub0b4\ubd80\uc5d0\uc11c \uc6c0\uc9c1\uc5ec \uc811\uc810\uc744 \ub2eb\uac70\ub098 \uc5f4\uac8c \ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc790\uc11d \uc2a4\uc704\uce58\uac00 &#8216;\uaebc\uc9c4(off)&#8217; \uc0c1\ud0dc\uc77c \ub54c\ub294 \uc790\uc11d\uacfc \uae08\uc18d \ubd80\ud488 \uc0ac\uc774\uc5d0 \uac70\ub9ac\uac00 \uc788\uc5b4 \uc811\uc810\uc774 \uc5f4\ub824 \uc788\uc2b5\ub2c8\ub2e4. \ubc18\ub300\ub85c &#8216;\ucf1c\uc9c4(on)&#8217; \uc0c1\ud0dc\uc77c \ub54c\ub294 \uc790\uc11d\uc774 \uae08\uc18d \ubd80\ud488\uc744 \ub04c\uc5b4\ub2f9\uaca8 \uc811\uc810\uc774 \ub2eb\ud600\uc11c \uc804\ub958\uac00 \ud750\ub974\uac8c \ub429\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\ub178\ub9d0\ub9ac \uc624\ud508(NO, Normally Open)<\/strong>: \uc2a4\uc704\uce58\uac00 \ube44\ud65c\uc131\ud654\ub418\uc5b4 \uc788\uc744 \ub54c \ud68c\ub85c\uac00 \uc5f4\ub824 \uc788\uc73c\uba70, \uc790\uc11d\uc774 \uac00\uae4c\uc6cc\uc9c8 \ub54c \ud68c\ub85c\uac00 \ub2eb\ud788\ub294 \ud615\ud0dc<\/li>\n<li><strong>\ub178\ub9d0\ub9ac \ud074\ub85c\uc988\ub4dc(NC, Normally Closed)<\/strong>: \uc2a4\uc704\uce58\uac00 \ube44\ud65c\uc131\ud654\ub418\uc5b4 \uc788\uc744 \ub54c \ud68c\ub85c\uac00 \ub2eb\ud600 \uc788\uace0, \uc790\uc11d\uc774 \uac00\uae4c\uc6cc\uc9c8 \ub54c \ud68c\ub85c\uac00 \uc5f4\ub9ac\ub294 \ud615\ud0dc<\/li>\n<\/ul>\n<h2>\uc790\uc11d \uc2a4\uc704\uce58\uc758 \uc751\uc6a9<\/h2>\n<p>\uc790\uc11d \uc2a4\uc704\uce58\ub294 \uc77c\uc0c1\uc0dd\ud65c\uc5d0\uc11c \uad11\ubc94\uc704\ud558\uac8c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ub300\ud45c\uc801\uc778 \uc608\ub85c\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc751\uc6a9 \ubd84\uc57c\ub97c \ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\ub3c4\ub09c \ubc29\uc9c0 \uc2dc\uc2a4\ud15c: \ubb38\uc774\ub098 \ucc3d\ubb38\uc5d0 \uc124\uce58\ub418\uc5b4, \uac1c\ud3d0 \uc5ec\ubd80\ub97c \uac10\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\uc0b0\uc5c5 \uae30\uacc4: \uae30\uacc4\uc758 \uc704\uce58\ub97c \uac10\uc9c0\ud558\uc5ec \uacfc\ub3c4\ud55c \uc6c0\uc9c1\uc784\uc744 \ubc29\uc9c0\ud558\uac70\ub098, \uc815\ud655\ud55c \uc870\uc791\uc744 \ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/li>\n<li>\uc758\ub8cc \uae30\uae30: \uc608\ub97c \ub4e4\uc5b4, \ud638\ud761\uae30\uc758 \uae30\ub2a5\uc744 \ubaa8\ub2c8\ud130\ub9c1\ud558\uac70\ub098, \ubcd1\uc0c1\uc5d0\uc11c \ud658\uc790\uc758 \uc6c0\uc9c1\uc784\uc744 \uac10\uc9c0\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<\/ol>\n<p>\uc774\ub7ec\ud55c \uc790\uc11d \uc2a4\uc704\uce58\ub294 \ub0b4\uad6c\uc131\uc774 \ub192\uace0, \uba3c\uc9c0\ub098 \uc2b5\uae30\uc640 \uac19\uc740 \ud658\uacbd\uc801 \uc601\ud5a5\uc5d0\ub3c4 \uac15\ud55c \ud2b9\uc9d5\uc744 \uac00\uc9c0\uace0 \uc788\uc5b4, \uc2e0\ub8b0\uc131\uc774 \ub192\uc740 \ubd80\ud488\uc73c\ub85c \ud3c9\uac00\ubc1b\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc804\uae30\uc640 \uc790\uae30\uc758 \uc0c1\ud638\uc791\uc6a9<\/h2>\n<p>\uc790\uc11d \uc2a4\uc704\uce58\uc758 \uc791\ub3d9 \uc6d0\ub9ac\ub97c \uc774\ud574\ud558\uae30 \uc704\ud574\uc11c\ub294 \uc804\uae30\uc640 \uc790\uae30 \uc0ac\uc774\uc758 \uae30\ubcf8\uc801\uc778 \uc0c1\ud638\uc791\uc6a9\uc744 \uc54c\uc544\uc57c \ud569\ub2c8\ub2e4. \uc804\ub958\uac00 \ud750\ub974\ub294 \ub3c4\uccb4 \uc8fc\ubcc0\uc5d0\ub294 \uc790\uae30\uc7a5\uc774 \uc0dd\uae30\uba70, \uc790\uc11d \uc8fc\ubcc0\uc5d0\ub3c4 \uc790\uae30\uc7a5\uc774 \uc874\uc7ac\ud569\ub2c8\ub2e4. \uc774 \ub450 \uc790\uae30\uc7a5\uc774 \uc0c1\ud638\uc791\uc6a9\ud558\uac8c \ub420 \ub54c \ud798\uc774 \ubc1c\uc0dd\ud558\uace0, \uc774 \ud798\uc774 \uc2a4\uc704\uce58 \ub0b4\uc758 \uae08\uc18d \ubd80\ud488\uc744 \uc6c0\uc9c1\uc5ec \ud68c\ub85c\ub97c \uc5f4\uac70\ub098 \ub2eb\uac8c \ub418\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<p>\ub610\ud55c, \uc790\uae30\uc7a5\uc740 \uc544\ub798\uc640 \uac19\uc740 \ubc29\uc815\uc2dd\uc73c\ub85c \ub098\ud0c0\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\\[ B = \\mu_0 (I \\cdot \\frac{N}{L}) \\]<\/p>\n<p>\uc5ec\uae30\uc11c \\( B \\)\ub294 \uc790\uae30\uc7a5\uc758 \uc138\uae30\uc774\uace0, \\( \\mu_0 \\)\ub294 \uc9c4\uacf5\uc758 \ud22c\uc790\uc728(\uc790\uae30 \uc0c1\uc218)\uc774\uba70, \\( I \\)\ub294 \uc804\ub958\uc758 \uc138\uae30, \\( N \\)\uc740 \ucf54\uc77c\uc758 \ucd1d \uad8c\uc218, \\( L \\)\uc740 \ucf54\uc77c\uc758 \uae38\uc774\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n<p>\uc774\ucc98\ub7fc \uc804\uae30\uc640 \uc790\uae30\uc758 \uc0c1\ud638\uc791\uc6a9\uc740 \uc790\uc11d \uc2a4\uc704\uce58\ub294 \ubb3c\ub860 \uc804\uc790\uae30\ud559\uc758 \ub9ce\uc740 \ubd84\uc57c\uc5d0\uc11c \ud575\uc2ec\uc801\uc778 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ud14c\uc2ac\ub77c\ub098 \ud30c\ub77c\ub370\uc774\uc640 \uac19\uc740 \uacfc\ud559\uc790\ub4e4\uc758 \uc5f0\uad6c\ub294 \uc6b0\ub9ac\uac00 \uc624\ub298\ub0a0 \uc0ac\uc6a9\ud558\ub294 \uc804\uc790\uc81c\ud488\uacfc \uae30\uc220\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \uadf8 \uc601\ud5a5\uc744 \ubbf8\uce58\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uacb0\ub860<\/h2>\n<p>\uc790\uc11d \uc2a4\uc704\uce58\ub294 \uc804\uae30\uc640 \uc790\uae30\uc758 \ud2b9\uc131\uc744 \uc774\uc6a9\ud558\uc5ec \uc791\ub3d9\ud558\ub294 \ub9e4\uc6b0 \uc720\uc6a9\ud55c \ub3c4\uad6c\uc785\ub2c8\ub2e4. \uc77c\uc0c1 \uc0dd\ud65c\ubd80\ud130 \uc0b0\uc5c5 \ubd84\uc57c, \uc758\ub8cc \uae30\uc220\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \ub2e4\uc591\ud55c \uacf3\uc5d0\uc11c \ud65c\uc6a9\ub418\uba70, \uc774\ub97c \ud1b5\ud574 \uc6b0\ub9ac\ub294 \uc804\uc790\uae30\ud559\uc758 \uc911\uc694\uc131\uacfc \uc2e4\uc81c \uc0dd\ud65c \uc18d\uc5d0\uc11c\uc758 \uc751\uc6a9 \uac00\ub2a5\uc131\uc744 \uc5ff\ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc804\uc790\uae30\ud559\uc774\ub77c\ub294 \ubcf5\uc7a1\ud574 \ubcf4\uc774\ub294 \uacfc\ud559 \ubd84\uc57c\ub3c4 \uc790\uc11d \uc2a4\uc704\uce58\uc640 \uac19\uc740 \uc2e4\uc6a9\uc801\uc778 \uc608\ub97c \ud1b5\ud574 \uc870\uae08 \ub354 \uce5c\uc219\ud558\uac8c \ub2e4\uac00\uac08 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc790\uc11d \uc2a4\uc704\uce58\uc758 \uc6d0\ub9ac\uc640 \uc751\uc6a9\uc744 \uc774\ud574\ud558\uae30 \uc704\ud55c \uae30\uc0ac\ub85c, \uc804\uae30 \ud68c\ub85c\ub97c \uc870\uc808\ud558\ub294 \uc790\uc11d\uc758 \uc778\ub825 \ubc0f \ucc99\ub825\uc744 \uc774\uc6a9\ud55c \uc7a5\uce58 \uae30\ub2a5\uacfc \uc2e4\uc0dd\ud65c\uc5d0\uc11c\uc758 \uc0ac\uc6a9 \uc608\uc2dc\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":185715,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[88],"tags":[89],"class_list":["post-148451","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":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\uc790\uc11d \uc2a4\uc704\uce58 | \uc791\ub3d9 \ubc29\uc2dd, \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8 \ubc0f \uc7a5\uc810<\/title>\n<meta name=\"description\" content=\"\uc790\uc11d \uc2a4\uc704\uce58\uc758 \uc6d0\ub9ac\uc640 \uc751\uc6a9\uc744 \uc774\ud574\ud558\uae30 \uc704\ud55c \uae30\uc0ac\ub85c, \uc804\uae30 \ud68c\ub85c\ub97c \uc870\uc808\ud558\ub294 \uc790\uc11d\uc758 \uc778\ub825 \ubc0f \ucc99\ub825\uc744 \uc774\uc6a9\ud55c \uc7a5\uce58 \uae30\ub2a5\uacfc \uc2e4\uc0dd\ud65c\uc5d0\uc11c\uc758 \uc0ac\uc6a9 \uc608\uc2dc\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.electricity-magnetism.org\/ko\/%ec%9e%90%ec%84%9d-%ec%8a%a4%ec%9c%84%ec%b9%98\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\uc790\uc11d \uc2a4\uc704\uce58 | \uc791\ub3d9 \ubc29\uc2dd, \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8 \ubc0f \uc7a5\uc810\" \/>\n<meta property=\"og:description\" content=\"\uc790\uc11d \uc2a4\uc704\uce58\uc758 \uc6d0\ub9ac\uc640 \uc751\uc6a9\uc744 \uc774\ud574\ud558\uae30 \uc704\ud55c \uae30\uc0ac\ub85c, \uc804\uae30 \ud68c\ub85c\ub97c \uc870\uc808\ud558\ub294 \uc790\uc11d\uc758 \uc778\ub825 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