{"id":148675,"date":"2024-04-27T17:03:39","date_gmt":"2024-04-27T17:03:39","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%ec%9e%90%ea%b8%b0-%ec%b0%a8%ed%8f%90%ec%9e%ac\/"},"modified":"2024-04-27T17:03:39","modified_gmt":"2024-04-27T17:03:39","slug":"%ec%9e%90%ea%b8%b0-%ec%b0%a8%ed%8f%90%ec%9e%ac","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ec%9e%90%ea%b8%b0-%ec%b0%a8%ed%8f%90%ec%9e%ac\/","title":{"rendered":"\uc790\uae30 \ucc28\ud3d0\uc7ac"},"content":{"rendered":"<p class=\"sidekick\">\uc790\uae30 \ucc28\ud3d0\uc7ac\uc758 \uc6d0\ub9ac, \uc911\uc694\uc131 \ubc0f \ub2e4\uc591\ud55c \uc885\ub958\uc5d0 \ub300\ud574 \uc124\uba85\ud558\uba70, \uc804\uae30\uae30\uae30 \ubcf4\ud638 \ubc0f \uc758\ub8cc\uc7a5\ube44 \ucc28\ud3d0\uc5d0 \uc0ac\uc6a9\ub418\ub294 \ud398\ub77c\uc774\ud2b8, \ubba4\uba54\ud0c8, \uc2e4\ub9ac\ucf58 \uc2a4\ud2f8 \uc18c\uc7ac\ub97c \uc0b4\ud3b4\ubd05\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2024\/04\/\uc790\uae30-\ucc28\ud3d0\uc7ac.png\" alt=\"\uc790\uae30 \ucc28\ud3d0\uc7ac\"\/><\/p>\n<h2>\uc790\uae30 \ucc28\ud3d0\uc7ac\uc758 \uae30\ubcf8 \uc6d0\ub9ac<\/h2>\n<p>\uc804\uae30\uc640 \uc790\uae30\ub294 \uc6b0\ub9ac\uc758 \uc77c\uc0c1\uc0dd\ud65c \uc18d\uc5d0\uc11c \ud544\uc218\uc801\uc778 \uc694\uc18c\uc785\ub2c8\ub2e4. \uc804\uae30\uac00 \uc6b0\ub9ac \uc9d1\uacfc \uc0ac\ubb34\uc2e4\uc744 \ubc1d\ud788\uace0 \uc5ec\ub7ec \uae30\uae30\ub4e4\uc744 \uac00\ub3d9\uc2dc\ud0a4\ub294 \ud798\uc778 \ubc18\uba74, \uc790\uae30 \ud604\uc0c1\uc740 \uc804\uae30 \ubaa8\ud130\uc5d0\uc11c\ubd80\ud130 \uc758\ub8cc \uae30\uae30\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \uad11\ubc94\uc704\ud55c \uc751\uc6a9\uc744 \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubc30\uacbd \uc18d\uc5d0\uc11c &#8216;\uc790\uae30 \ucc28\ud3d0\uc7ac(Magnetic Shielding Material)&#8217;\ub294 \uc790\uae30\uc7a5\uc774 \uc6d0\uce58 \uc54a\ub294 \uc601\uc5ed\uc73c\ub85c \ud37c\uc9c0\ub294 \uac83\uc744 \ubc29\uc9c0\ud558\ub294 \ubb3c\uc9c8\ub85c\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ucc28\ud3d0\uc7ac\ub294 \ubbfc\uac10\ud55c \uc2e4\ud5d8 \uc7a5\ube44\ub098 \uc804\uc790 \uc7a5\ube44\ub97c \ubcf4\ud638\ud558\ub294\ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<h2>\uc790\uae30 \ucc28\ud3d0\uc7ac\uc758 \uc911\uc694\uc131<\/h2>\n<p>\uc790\uae30\uc7a5\uc740 \ucef4\ud4e8\ud130 \ud558\ub4dc \ub4dc\ub77c\uc774\ube0c, \uc2e0\uc6a9\uce74\ub4dc \ubc0f \ub2e4\uc591\ud55c \uc804\uc790\uae30\uae30\ub4e4\uc5d0 \uc601\ud5a5\uc744 \uc904 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uae30\uae30\ub4e4\uc740 \uac15\ud55c \uc790\uae30\uc7a5\uc5d0 \uc758\ud574 \ub370\uc774\ud130\uac00 \uc190\uc0c1\ub418\uac70\ub098 \uc624\uc791\ub3d9\uc744 \uc77c\uc73c\ud0ac \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0, \uc774\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud55c \uc790\uae30 \ucc28\ud3d0\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \ub610\ud55c, \uc758\ub8cc \ubd84\uc57c\uc5d0\uc11c MRI(Magnetic Resonance Imaging) \uac19\uc740 \uae30\uae30\ub294 \ub9e4\uc6b0 \uac15\ub825\ud55c \uc790\uae30\uc7a5\uc744 \uc0dd\uc131\ud558\uba70, \uc774\uac83\uc774 \uc8fc\ubcc0 \uae30\uae30\ub4e4\uc5d0\uac8c \ubc29\ud574\uac00 \ub418\uc9c0 \uc54a\ub3c4\ub85d \ucc28\ud3d0\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. <\/p>\n<p>\uc790\uae30 \ucc28\ud3d0\uc7ac\uc758 \uc5ed\ud560\uc740 \uc8fc\ubcc0\uc5d0 \uc874\uc7ac\ud558\ub294 \uc790\uae30\uc7a5\uc744 \ud2b9\uc815 \uacf5\uac04\uc73c\ub85c\ubd80\ud130 \ucc28\ub2e8\ud558\uac70\ub098, \uc790\uae30\uc7a5\uc758 \uac15\ub3c4\ub97c \uc57d\ud654\uc2dc\ucf1c \uc2e4\uc81c\ub85c \uc0ac\uc6a9\ub418\ub294 \uacf5\uac04\uc5d0 \ud574\ub97c \ub07c\uce58\uc9c0 \uc54a\uac8c \ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uc790\uae30 \ucc28\ud3d0\uc7ac\ub294 \uc790\uae30\uc7a5\uc758 \uacbd\ub85c\ub97c \ubc14\uafd4\uc11c \ud2b9\uc815 \ubc29\ud5a5\uc73c\ub85c \uc720\ub3c4\ud568\uc73c\ub85c\uc368 \uc774\ub97c \ub2ec\uc131\ud569\ub2c8\ub2e4.<\/p>\n<h2>\ucc28\ud3d0 \uc7ac\ub8cc\uc758 \uc885\ub958<\/h2>\n<ul>\n<li><strong>\ud398\ub77c\uc774\ud2b8(Ferrite)<\/strong>: \ud398\ub77c\uc774\ud2b8 \uc790\uae30 \ucc28\ud3d0\uc7ac\ub294 \uc790\uc131\uc744 \ub760\ub294 \uc138\ub77c\ubbf9 \uc18c\uc7ac\ub85c, \uc8fc\ub85c \uace0\uc8fc\ud30c\uc6a9 \ucc28\ud3d0\uc7ac\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ud398\ub77c\uc774\ud2b8\ub294 \uc804\uc790\uc7a5\uce58 \ub0b4\ubd80\uc758 \uc804\uc790\ud30c \uac04\uc12d\uc744 \uc904\uc774\ub294\ub370 \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ubba4\uba54\ud0c8(Mu-Metal)<\/strong>: \ubba4\uba54\ud0c8\uc740 \ub2c8\ucf08-\ucca0 \ud569\uae08\uc73c\ub85c \uc774\ub8e8\uc5b4\uc838 \uc788\uc73c\uba70, \ub0ae\uc740 \uc790\uae30\uc7a5 \uc601\uc5ed\uc5d0\uc11c\uc758 \ucc28\ud3d0\uc5d0 \ub9e4\uc6b0 \ud6a8\uacfc\uc801\uc785\ub2c8\ub2e4. \ub192\uc740 \uc790\uae30 \ud22c\uacfc\uc728\uc744 \uac00\uc9c0\uace0 \uc788\uc5b4 \uc790\uae30\uc7a5\uc744 \uc798 \ud761\uc218\ud558\uace0 \uc720\ub3c4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc2e4\ub9ac\ucf58 \uc2a4\ud2f8(Silicon Steel)<\/strong>: \uc804\ub825 \ubcc0\uc555\uae30\ub098 \uc804\uae30 \ubaa8\ud130\uc5d0 \uc8fc\ub85c \uc0ac\uc6a9\ub418\ub294 \uc2e4\ub9ac\ucf58 \uc2a4\ud2f8\uc740 \ud06c\uae30\uac00 \ud06c\uace0 \ubc00\ub3c4\uac00 \ub192\uc740 \uc790\uae30\uc7a5\uc744 \ucc28\ud3d0\ud558\ub294\ub370 \uc801\ud569\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc704\uc640 \uac19\uc740 \ucc28\ud3d0\uc7ac\ub4e4\uc740 \uac01\uae30 \ub2e4\ub978 \ubb3c\ub9ac\uc801 \ubc0f \ud654\ud559\uc801 \ud2b9\uc131\uc744 \uac00\uc9c0\uace0 \uc788\uc5b4, \uc0ac\uc6a9\ub418\ub294 \ud658\uacbd\uacfc \ucc28\ud3d0\ud574\uc57c \ud560 \uc790\uae30\uc7a5\uc758 \ud2b9\uc131\uc5d0 \ub530\ub77c \uc801\ud569\ud55c \uc18c\uc7ac\ub97c \uc120\ud0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uac15\ub825\ud55c \uc790\uae30\uc7a5\uc744 \ub2e4\ub8e8\ub294 \uc0c1\ud669\uc5d0\uc11c\ub294 \ubba4\uba54\ud0c8\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \uc801\ud569\ud560 \uc218 \uc788\uc73c\uba70, \uace0\uc8fc\ud30c \uc790\uae30\uc7a5\uc744 \ub2e4\ub8e8\ub294 \uc0c1\ud669\uc5d0\uc11c\ub294 \ud398\ub77c\uc774\ud2b8 \uc18c\uc7ac\uac00 \ub354 \ub098\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc790\uae30 \ucc28\ud3d0\uc7ac\ub97c \uc120\ud0dd\ud560 \ub54c\ub294 \uc790\uae30 \ud22c\uacfc\uc728\uacfc \ud3ec\ud654 \uc790\ud654\uac15\ub3c4 \uac19\uc740 \ubb3c\ub9ac\uc801 \uc131\uc9c8\uc744 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \uc790\uae30 \ud22c\uacfc\uc728\uc774 \ub192\uc740 \uc7ac\ub8cc\ub294 \uc790\uae30\uc7a5\uc744 \uc798 \ud761\uc218\ud558\uace0 \uc720\ub3c4\ud560 \uc218 \uc788\uc73c\uba70, \ud3ec\ud654 \uc790\ud654\uac15\ub3c4\ub294 \uc7ac\ub8cc\uac00 \ucc28\ud3d0\ud560 \uc218 \uc788\ub294 \uc790\uae30\uc7a5\uc758 \ucd5c\ub300 \uac15\ub3c4\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n<h2>\ucc28\ud3d0\uc131\ub2a5\uc744 \ub192\uc774\ub294 \ub514\uc790\uc778 \uc694\uc18c<\/h2>\n<p>\ub2e8\uc21c\ud788 \uc790\uae30 \ucc28\ud3d0\uc7ac\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83 \ubfd0\ub9cc \uc544\ub2c8\ub77c, \ucc28\ud3d0 \uc131\ub2a5\uc744 \uadf9\ub300\ud654\ud558\uae30 \uc704\ud574\uc120 \uc62c\ubc14\ub978 \ub514\uc790\uc778\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \ucc28\ud3d0\uc7ac\uc758 \ub450\uaed8, \ubaa8\uc591, \uadf8\ub9ac\uace0 \uad6c\uc131\uc774 \ucc28\ud3d0 \ud6a8\uacfc\uc5d0 \ud070 \uc601\ud5a5\uc744 \ubbf8\uce58\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ucc28\ud3d0\uc7ac\uc758 \ubaa8\uc11c\ub9ac\ub294 \uc790\uae30\uc7a5\uc774 \ubaa8\uc774\ub294 \uacf3\uc778\ub370, \uc774\uacf3\uc744 \ub465\uae00\uac8c \ucc98\ub9ac\ud558\uba74 \uac15\ud654\ub41c \uc790\uae30\uc7a5\uc744 \ud37c\ud2b8\ub9ac\ub294 \ud6a8\uacfc\ub97c \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ub610\ud55c, \uc790\uae30 \ucc28\ud3d0\uc7ac \uc8fc\ubcc0\uc744 \uc644\uc804\ud788 \ub458\ub7ec\uc300 \uacbd\uc6b0 \ucc28\ud3d0 \ud6a8\uacfc\uac00 \ub354 \ucee4\uc9d1\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc774\ub294 \ud56d\uc0c1 \uac00\ub2a5\ud55c \uac83\uc740 \uc544\ub2c8\uba70, \uc7a5\uce58\uc758 \uc124\uacc4\ub098 \uc0ac\uc6a9 \ubaa9\uc801\uc5d0 \ub530\ub77c \uc870\uc815\ub420 \ud544\uc694\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc911\uc694\ud55c \uac83\uc740 \ucc28\ud3d0\uc7ac\ub97c \uc62c\ubc14\ub974\uac8c \uc124\uce58\ud558\uace0 \ud544\uc694\ud55c \uacbd\uc6b0 \ucd94\uac00\uc801\uc778 \ucc28\ud3d0 \uc18c\uc7ac\ub97c \ub354\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<h2>\uc790\uae30 \ucc28\ud3d0\uc758 \ubbf8\ub798\uc640 \uae30\uc220 \ubc1c\uc804<\/h2>\n<p>\ud604\uc7ac \uae30\uc220 \ubc1c\uc804\uc73c\ub85c \uc778\ud574 \uc810\uc810 \ub354 \uace0\uc131\ub2a5\uc758 \uc790\uae30 \ucc28\ud3d0\uc7ac\uac00 \uac1c\ubc1c\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc0c8\ub85c\uc6b4 \ub098\ub178\uae30\uc220\uc774\ub098 \ubcf5\ud569 \uc7ac\ub8cc\ub97c \uc774\uc6a9\ud558\uc5ec \ub354 \uc587\uace0 \ud6a8\uc728\uc801\uc778 \ucc28\ud3d0\uc7ac\ub97c \uc81c\uc791\ud558\ub294 \uc5f0\uad6c\uac00 \ud65c\ubc1c\ud788 \uc9c4\ud589 \uc911\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud601\uc2e0\uc801\uc778 \uc7ac\ub8cc\ub4e4\uc740 \ub354\uc6b1 \uc815\uad50\ud55c \uc804\uc790 \uc7a5\ube44\uc758 \ubc1c\uc804\uc5d0 \uae30\uc5ec\ud560 \uac83\uc73c\ub85c \uae30\ub300\ub429\ub2c8\ub2e4.<\/p>\n<p>\ucc28\ud3d0\uc7ac\uc758 \uac1c\ubc1c\ubfd0\ub9cc \uc544\ub2c8\ub77c, \uc790\uae30\uc7a5\uc744 \uc870\uc808\ud558\ub294 \ub2a5\ub3d9\uc801\uc778 \uae30\uc220\ub3c4 \ubc1c\uc804\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \uc790\uae30 \uc7a5\uc758 \uac15\ub3c4\ub97c \uc2e4\uc2dc\uac04\uc73c\ub85c \uc870\uc808\ud560 \uc218 \uc788\uc5b4, \ud6a8\uacfc\uc801\uc778 \ucc28\ud3d0\ubfd0\ub9cc \uc544\ub2c8\ub77c \uc790\uae30\uc7a5\uc744 \uc0ac\uc6a9\ud558\ub294 \uae30\uc220\uc758 \ud6a8\uc728\uc744 \ub354\uc6b1 \ub192\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uacb0\ub860<\/h2>\n<p>\uc790\uae30 \ucc28\ud3d0\uc7ac\ub294 \uc624\ub298\ub0a0 \uae30\uc220 \uc0ac\ud68c\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ub2e4\uc591\ud55c \uc790\uae30 \ucc28\ud3d0 \uc18c\uc7ac\uac00 \uc874\uc7ac\ud558\uba70, \uc774\ub4e4\uc740 \uc758\ub8cc \uc7a5\ube44, \uc804\uc790 \uc7a5\ube44, \uadf8\ub9ac\uace0 \uc77c\uc0c1 \uc0dd\ud65c\uc5d0\uc11c \ud544\uc218\uc801\uc73c\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc62c\ubc14\ub978 \ucc28\ud3d0\uc7ac\uc758 \uc120\ud0dd\uacfc \uc124\uacc4\ub294 \uc8fc\ubcc0 \ud658\uacbd\uc744 \uc790\uae30\uc7a5\uc758 \ubd80\uc815\uc801\uc778 \uc601\ud5a5\uc73c\ub85c\ubd80\ud130 \uc548\uc804\ud558\uac8c \ubcf4\ud638\ud569\ub2c8\ub2e4. \ub610\ud55c, \uae30\uc220 \ubc1c\uc804\uc740 \uc790\uae30 \ucc28\ud3d0 \ubd84\uc57c\uc5d0 \ub9ce\uc740 \ud601\uc2e0\uc744 \uac00\uc838\uc624\uace0 \uc788\uc73c\uba70, \ubbf8\ub798\uc5d0\ub294 \ubcf4\ub2e4 \ud6a8\uacfc\uc801\uc774\uace0 \uc9c0\ub2a5\uc801\uc778 \ucc28\ud3d0 \ubc29\ubc95\uc774 \uac1c\ubc1c\ub420 \uac83\uc73c\ub85c \uc608\uc0c1\ub429\ub2c8\ub2e4. \uc774\uc640 \uac19\uc774, \ubb3c\ub9ac\ud559\uacfc \uacf5\ud559\uc758 \ubcf5\ud569\uc801\uc778 \uc9c0\uc2dd\uc740 \uc6b0\ub9ac \uc0b6\uc758 \uc9c8\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uace0, \ub354\uc6b1 \uc548\uc804\ud558\uace0 \ud6a8\uc728\uc801\uc778 \uae30\uc220 \ud658\uacbd\uc744 \ub9cc\ub4dc\ub294\ub370 \uae30\uc5ec\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc790\uae30 \ucc28\ud3d0\uc7ac\uc758 \uc6d0\ub9ac, \uc911\uc694\uc131 \ubc0f \ub2e4\uc591\ud55c \uc885\ub958\uc5d0 \ub300\ud574 \uc124\uba85\ud558\uba70, \uc804\uae30\uae30\uae30 \ubcf4\ud638 \ubc0f \uc758\ub8cc\uc7a5\ube44 \ucc28\ud3d0\uc5d0 \uc0ac\uc6a9\ub418\ub294 \ud398\ub77c\uc774\ud2b8, \ubba4\uba54\ud0c8, \uc2e4\ub9ac\ucf58 \uc2a4\ud2f8 \uc18c\uc7ac\ub97c 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