{"id":146802,"date":"2024-04-27T12:43:56","date_gmt":"2024-04-27T12:43:56","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%eb%a1%9c%ea%b3%a0%ed%94%84%ec%8a%a4%ed%82%a4-%ec%bd%94%ec%9d%bc-%ec%a0%84%eb%a5%98-%ec%84%bc%ec%84%9c\/"},"modified":"2024-04-27T12:44:04","modified_gmt":"2024-04-27T12:44:04","slug":"%eb%a1%9c%ea%b3%a0%ed%94%84%ec%8a%a4%ed%82%a4-%ec%bd%94%ec%9d%bc-%ec%a0%84%eb%a5%98-%ec%84%bc%ec%84%9c","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%eb%a1%9c%ea%b3%a0%ed%94%84%ec%8a%a4%ed%82%a4-%ec%bd%94%ec%9d%bc-%ec%a0%84%eb%a5%98-%ec%84%bc%ec%84%9c\/","title":{"rendered":"\ub85c\uace0\ud504\uc2a4\ud0a4 \ucf54\uc77c \uc804\ub958 \uc13c\uc11c"},"content":{"rendered":"<p class=\"sidekick\">\ube44\uc811\ucd09\uc2dd \uc804\ub958 \uce21\uc815 \uae30\uc220\uc778 \ub85c\uace0\ud504\uc2a4\ud0a4 \ucf54\uc77c\uc758 \uc6d0\ub9ac\uc640 \uad6c\uc870\uc5d0 \ub300\ud574 \uc0c1\uc138\ud788 \uc18c\uac1c\ud558\ub294 \uae00\uc785\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2024\/04\/\ub85c\uace0\ud504\uc2a4\ud0a4-\ucf54\uc77c-\uc804\ub958-\uc13c\uc11c.png\" alt=\"\ub85c\uace0\ud504\uc2a4\ud0a4 \ucf54\uc77c \uc804\ub958 \uc13c\uc11c\"\/><\/p>\n<h2>\ub85c\uace0\ud504\uc2a4\ud0a4 \ucf54\uc77c \uc804\ub958 \uc13c\uc11c\uc758 \uc6d0\ub9ac\uc640 \uad6c\uc870<\/h2>\n<p>\uc804\ub958\ub97c \uce21\uc815\ud558\ub294 \ub2e4\uc591\ud55c \ubc29\ubc95 \uc911, \ub85c\uace0\ud504\uc2a4\ud0a4 \ucf54\uc77c(Rogowski coil) \uc804\ub958 \uc13c\uc11c\ub294 \ube44\uc811\ucd09\uc2dd\uc73c\ub85c \uc804\ub958\ub97c \uce21\uc815\ud558\ub294 \ud6a8\uacfc\uc801\uc778 \ubc29\ubc95 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \ub85c\uace0\ud504\uc2a4\ud0a4 \ucf54\uc77c\uc740 \ub192\uc740 \uc804\ub958\ub97c \uce21\uc815\ud558\ub294 \ub370 \ub9e4\uc6b0 \uc720\uc6a9\ud558\uba70 \uc2e0\uc18d\ud558\uace0 \uc815\ubc00\ud558\uac8c \ub3d9\uc791\ud569\ub2c8\ub2e4.<\/p>\n<p>\ub85c\uace0\ud504\uc2a4\ud0a4 \ucf54\uc77c\uc758 \uae30\ubcf8 \uc6d0\ub9ac\ub294 \ub9e5\uc2a4\uc6f0 \ubc29\uc815\uc2dd\uc5d0 \uae30\ucd08\ud55c \uac83\uc73c\ub85c, \uc2dc\uac04\uc5d0 \ub530\ub77c \ubcc0\ud654\ud558\ub294 \uc804\uc790\uc7a5\uc774 \uc8fc\ubcc0 \uacf5\uac04\uc5d0 \uc804\uc790\uae30 \uc720\ub3c4\ub97c \uc77c\uc73c\ud0a4\ub294 \ud604\uc0c1\uc744 \uc774\uc6a9\ud569\ub2c8\ub2e4. \ub85c\uace0\ud504\uc2a4\ud0a4 \ucf54\uc77c\uc740 \ud3d0\uc1c4 \uacbd\ub85c\ub97c \ud615\uc131\ud558\ub294 \ud1a0\ub85c\uc774\ub4dc(toroid) \ubaa8\uc591\uc758 \ucf54\uc77c\ub85c \ub418\uc5b4 \uc788\uc73c\uba70, \ucf54\uc77c \ub0b4\ubd80\ub97c \ud1b5\uacfc\ud558\ub294 \ubcc0\ud654\ud558\ub294 \uc804\ub958\uc5d0 \uc758\ud574 \ubc1c\uc0dd\ud558\ub294 \uc790\uae30\uc7a5\uc744 \uac10\uc9c0\ud558\uc5ec \uce21\uc815\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li>\ub85c\uace0\ud504\uc2a4\ud0a4 \ucf54\uc77c\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc587\uc740 \uc804\ub3c4\uc131 \uc640\uc774\uc5b4\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub9cc\ub4e4\uc5b4\uc9c4\ub2e4. \uc774 \uc640\uc774\uc5b4\ub294 \uacbd\ub7c9\uc758 \ube44\uc790\uc131 \ucf54\uc5b4\uc5d0 \uac10\uaca8 \uc788\uc73c\uba70, \uc790\uae30\uc7a5\uc774 \ubc1c\uc0dd\ud558\uba74 \ucf54\uc77c\uc758 \uc640\uc774\uc5b4\uc5d0 \uc804\uc555\uc774 \uc720\ub3c4\ub418\uc5b4 \uc804\ub958\uc758 \uc0c1\ud0dc\ub97c \uac04\uc811\uc801\uc73c\ub85c \uce21\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\uc804\ub958\uc758 \uc2dc\uac04\uc5d0 \ub530\ub978 \ubcc0\ud654\uc728, \uc989 dI\/dt\uc5d0 \ube44\ub840\ud558\uc5ec \ucf54\uc77c\uc5d0 \uc720\ub3c4\ub41c \uc804\uc555(V)\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc774 \ube44\ub840 \uad00\uacc4\ub294 \uc774 \uc804\uc555\uc744 \uce21\uc815\ud568\uc73c\ub85c\uc368 \ucf54\uc77c\uc744 \ud1b5\uacfc\ud558\ub294 \uc804\ub958\uc758 \ud06c\uae30\ub97c \uacc4\uc0b0\ud560 \uc218 \uc788\uac8c \ud569\ub2c8\ub2e4.<\/li>\n<li>\ub85c\uace0\ud504\uc2a4\ud0a4 \ucf54\uc77c\uc740 \ube60\ub978 \uc2dc\uac04 \ub300\uc5ed\ud3ed\uc744 \uac00\uc9c0\uace0 \uc788\uc5b4 \ub9e4\uc6b0 \ube60\ub978 \uc804\ub958 \ubcc0\ud654\ub3c4 \uc798 \uce21\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub354\ubd88\uc5b4, \uc5f0\uacb0 \ubc29\uc2dd\uc774 \uac04\ub2e8\ud558\uc5ec \uc0ac\uc6a9\ud558\uae30 \uc27d\uace0, \uc804\ub958\ub97c \ub04a\uc9c0 \uc54a\uace0\ub3c4 \uce21\uc815\ud560 \uc218 \uc788\ub294 \uc7a5\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\ub85c\uace0\ud504\uc2a4\ud0a4 \ucf54\uc77c\uc740 \uc5ec\ub7ec \uac00\uc9c0 \ud615\ud0dc\ub85c \uad6c\ud604\ub420 \uc218 \uc788\uc9c0\ub9cc, \uac00\uc7a5 \ud754\ud55c \ud615\ud0dc\ub294 \uac1c\ubc29\ub41c \ud1a0\ub85c\uc774\ub4dc \ud615\ud0dc\uc785\ub2c8\ub2e4. \uc774 \ud615\ud0dc\ub294 \uc124\uce58\uac00 \uc6a9\uc774\ud558\uba70 \uce21\uc815 \ub300\uc0c1 \uc804\uc120\uc5d0 \uc27d\uac8c \uc7a5\ucc29\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ucf54\uc77c\uc758 \uc591 \ub05d\uc740 \uc804\uc790 \ud68c\ub85c\uc5d0 \uc5f0\uacb0\ub418\uc5b4 \uc788\uc73c\uba70, \uc774 \ud68c\ub85c\ub294 \uc720\ub3c4\ub41c \uc804\uc555 \uc2e0\ud638\ub97c \uc99d\ud3ed\ud558\uace0 \ucc98\ub9ac\ud558\uc5ec \uc21c\uac04\uc801\uc778 \uc804\ub958 \uac15\ub3c4\uc5d0 \uad00\ud55c \uc815\ubcf4\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud2b9\uc131 \ub355\ubd84\uc5d0 \ub85c\uace0\ud504\uc2a4\ud0a4 \ucf54\uc77c\uc740 \ubc1c\uc804\uc18c, \ubcc0\uc804\uc18c, \uadf8\ub9ac\uace0 \uc0b0\uc5c5 \ud604\uc7a5\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc815\ub9ac\ud558\uc790\uba74, \ub85c\uace0\ud504\uc2a4\ud0a4 \ucf54\uc77c\uc740 \uc790\uae30\uc7a5\uc774 \uc720\ub3c4\ub418\ub294 \uc804\uae30\uc801 \ud604\uc0c1\uc744 \uc774\uc6a9\ud574 \uc804\ub958\ub97c \uce21\uc815\ud558\ub294 \uc13c\uc11c\uc785\ub2c8\ub2e4. \uadf8 \ub3c5\ucc3d\uc801\uc778 \uad6c\uc870\uc640 \ube44\uc811\ucd09\uc2dd \uce21\uc815 \ubc29\ubc95\uc740 \uace0\uc804\ub958\ub97c \uce21\uc815\ud558\ub294 \ub370 \uc788\uc5b4\uc11c \ud2b9\ud788 \uc720\uc6a9\ud558\uba70, \ub2e4\uc591\ud55c \uc0b0\uc5c5 \ubd84\uc57c\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\ub85c\uace0\ud504\uc2a4\ud0a4 \ucf54\uc77c\uc744 \uc774\uc6a9\ud55c \uc804\ub958 \uce21\uc815 \ubc29\ubc95<\/h2>\n<p>\ub85c\uace0\ud504\uc2a4\ud0a4 \ucf54\uc77c\ub85c \uc804\ub958\ub97c \uce21\uc815\ud558\ub294 \uacfc\uc815\uc740 \uc0c1\ub300\uc801\uc73c\ub85c \uac04\ub2e8\ud569\ub2c8\ub2e4. \ucf54\uc77c\uc744 \uc801\uc808\ud55c \uc704\uce58\uc5d0 \uc124\uce58\ud558\uace0, \uc0c1\ub300\uc801\uc73c\ub85c \ub192\uc740 \uc815\ubc00\ub3c4\ub97c \uac00\uc9c4 \uc804\uc790 \ud68c\ub85c\ub97c \uc0ac\uc6a9\ud558\uc5ec \uce21\uc815 \uac12\uc744 \ub3c4\ucd9c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc5d0\uc11c \uba87 \uac00\uc9c0 \uc8fc\uc694 \ub2e8\uacc4\ub97c \uac70\uce58\uac8c \ub418\ub294\ub370, \uc774\uc5d0 \uad00\ud55c \uc124\uba85\uc744 \uc774\uc5b4\uac00\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc720\ub3c4\ub41c \uc804\uc555\uc758 \uce21\uc815 \ubc0f \uacc4\uc0b0<\/h2>\n<p>\ub85c\uace0\ud504\uc2a4\ud0a4 \ucf54\uc77c\uc5d0\uc11c\uc758 \uc804\ub958 \uce21\uc815\uc740 \uc720\ub3c4\ub41c \uc804\uc555\uc744 \uad00\ucc30\ud568\uc73c\ub85c\uc368 \uc774\ub8e8\uc5b4\uc9d1\ub2c8\ub2e4. \ucf54\uc77c\uc774 \uac10\uc9c0\ud558\ub294 \uc790\uae30\uc7a5\uc758 \ubcc0\ud654\ub294 \ucf54\uc77c\uc758 \uc640\uc774\uc5b4 \ub05d\uc5d0 \uc804\uc555\uc744 \uc720\ub3c4\ud574\ub0c5\ub2c8\ub2e4. \uc774\ub97c \uacf5\uc2dd\ud654\ud558\uba74 \uc720\ub3c4\ub41c \uc804\uc555 V<sub>ind<\/sub>\ub294 \uc8fc\ubcc0 \uc790\uae30\uc7a5 \ubcc0\ud654\uc5d0 \ube44\ub840\ud558\uba70, \ubc95\ub791 \uc0b0\uc758 \ubc95\uce59(Lenz&#8217;s Law)\uc5d0 \ub530\ub77c \ud45c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>V<sub>ind<\/sub> = -N * (d\u03a6\/dt)<\/p>\n<p>\uc5ec\uae30\uc11c N\uc740 \ucf54\uc77c\uc758 \ucd1d \ud68c\uc804\uc218, d\u03a6\/dt\ub294 \uc790\uae30 \ud50c\ub7ed\uc2a4 \u03a6\uc758 \uc2dc\uac04\uc5d0 \ub530\ub978 \ubcc0\ud654\uc728\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc790\uae30 \ud50c\ub7ed\uc2a4\ub294 \uc790\uae30\uc7a5 H\uc640 \ucf54\uc77c \uba74\uc801 A\uc758 \uacf1\uc73c\ub85c \uacc4\uc0b0\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc2dd\uc744 \uc774\uc6a9\ud558\uc5ec, \ub85c\uace0\ud504\uc2a4\ud0a4 \ucf54\uc77c \ub0b4\ubd80\ub97c \uc21c\uac04\uc801\uc73c\ub85c \ud1b5\uacfc\ud558\ub294 \uc804\ub958 I\uc758 \uac12\uc744 \uc815\ud655\ud788 \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc804\uc790 \ud68c\ub85c\ub97c \ud1b5\ud55c \uc2e0\ud638 \ucc98\ub9ac<\/h2>\n<p>\ucf54\uc77c\uc5d0 \uc720\ub3c4\ub41c \uc804\uc555 \uc2e0\ud638\ub294 \ub9e4\uc6b0 \uc57d\ud560 \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0, \uc804\uc790 \ud68c\ub85c\ub97c \ud1b5\ud574 \uc774\ub97c \uc99d\ud3ed\uc2dc\ud0a4\uace0 \uc815\ubc00\ud558\uac8c \ucc98\ub9ac\ud558\ub294 \uacfc\uc815\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc804\uc790 \ud68c\ub85c\ub294 \uc720\ub3c4\ub41c \uc804\uc555\uc744 \uc99d\ud3ed\ud558\uace0, \ud544\ud130\ub9c1\ud558\uc5ec \uc7a1\uc74c\uc744 \uc81c\uac70\ud558\uace0, \uc544\ub0a0\ub85c\uadf8 \uc2e0\ud638\ub97c \ub514\uc9c0\ud138 \ub370\uc774\ud130\ub85c \ubcc0\ud658\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub807\uac8c \ucc98\ub9ac\ub41c \uc2e0\ud638\ub294 \ub9c8\uc774\ud06c\ub85c\ucee8\ud2b8\ub864\ub7ec\ub098 \ucef4\ud4e8\ud130 \uc778\ud130\ud398\uc774\uc2a4\ub97c \ud1b5\ud574 \ubd84\uc11d\ub418\uba70, \uc0ac\uc6a9\uc790\ub294 \uc774\ub97c \ud1b5\ud574 \uce21\uc815\ub41c \uc804\ub958\uc758 \uc815\ud655\ud55c \uac12\uc744 \uc77d\uc744 \uc218 \uc788\uac8c \ub429\ub2c8\ub2e4.<\/p>\n<h2>\ub85c\uace0\ud504\uc2a4\ud0a4 \ucf54\uc77c\uc758 \uc7a5\uc810\uacfc \uc751\uc6a9<\/h2>\n<p>\ub85c\uace0\ud504\uc2a4\ud0a4 \ucf54\uc77c \uc804\ub958 \uc13c\uc11c\uc758 \uc7a5\uc810\uc740 \ub2e4\uc591\ud558\uba70 \uadf8 \uc911 \uba87 \uac00\uc9c0 \uc8fc\uc694\ud55c \uc810\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\uace0\uc804\ub958 \uce21\uc815 \uac00\ub2a5: \ub85c\uace0\ud504\uc2a4\ud0a4 \ucf54\uc77c\uc740 \ub9e4\uc6b0 \ub192\uc740 \uc804\ub958 \uac12\ub3c4 \ube44\uc811\ucd09\uc2dd\uc73c\ub85c \uce21\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\uc124\uce58 \uc6a9\uc774\uc131: \uc13c\uc11c\ub97c \uc804\ub958\uac00 \ud750\ub974\ub294 \ub3c4\uccb4 \uc8fc\ubcc0\uc5d0 \uac04\ud718\ud718 \uac10\uc544 \uc124\uce58\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\uc120\ud615 \uc751\ub2f5 \ud2b9\uc131: \uce21\uc815 \ubc94\uc704 \ub0b4\uc5d0\uc11c \uc13c\uc11c\uc758 \ucd9c\ub825\uc740 \ud1b5\uacfc\ud558\ub294 \uc804\ub958\uc5d0 \ube44\ub840\ud569\ub2c8\ub2e4.<\/li>\n<li>\uad11\ub300\uc5ed \ub300\uc751: \uc9e7\uc740 \ud384\uc2a4 \uc804\ub958\ubd80\ud130 \ubcc0\ud654\uac00 \ub290\ub9b0 \uad50\ub958 \uc804\ub958\uae4c\uc9c0 \ub2e4\uc591\ud55c \uc8fc\ud30c\uc218\uc758 \uc804\ub958\ub97c \uce21\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc774\ub7ec\ud55c \uc774\uc720\ub85c \ub85c\uace0\ud504\uc2a4\ud0a4 \ucf54\uc77c\uc740 \uace0\uc804\uc555 \uc2dc\ud5d8 \uc124\ube44, \ubc1c\uc804\uae30 \ubc0f \ubaa8\ud130\uc758 \uc804\ub958 \ubaa8\ub2c8\ud130\ub9c1, \uadf8\ub9ac\uace0 \uc790\ub3d9\ucc28 \uc0b0\uc5c5\uc5d0\uc11c\uc758 \ubc30\ud130\ub9ac \uad00\ub9ac \uc2dc\uc2a4\ud15c \ub4f1 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<h2>\uacb0\ub860<\/h2>\n<p>\ub85c\uace0\ud504\uc2a4\ud0a4 \ucf54\uc77c \uc804\ub958 \uc13c\uc11c\ub294 \uadf8 \ub3c5\ud2b9\ud55c \uc6d0\ub9ac\uc640 \ub2e4\uc591\ud55c \uc7a5\uc810\uc744 \ubc14\ud0d5\uc73c\ub85c \uc804\ub958 \uce21\uc815 \ubd84\uc57c\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ube44\uc811\ucd09\uc2dd\uc774\ub77c\ub294 \ud070 \uc7a5\uc810\uc744 \uac00\uc9c0\uba70, \uc124\uce58\uac00 \uc26c\uc6b0\uba74\uc11c\ub3c4 \ube60\ub978 \uc751\ub2f5 \uc18d\ub3c4\ub97c \uc9c0\ub2cc \uc774 \uae30\uc220\uc740 \uc2e0\uc18d\ud558\uace0 \uc815\ubc00\ud55c \uc804\ub958 \uce21\uc815\uc774 \uc694\uad6c\ub418\ub294 \uacf3\uc5d0\uc11c \ub354\uc6b1 \uac00\uce58\uac00 \ub192\uc544\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uae30\ubcf8\uc801\uc778 \uc774\ud574\ub97c \ubc14\ud0d5\uc73c\ub85c, \uc6b0\ub9ac\ub294 \uc774 \uace0\uae09 \uce21\uc815 \uae30\uc220\uc774 \uc5b4\ub5bb\uac8c \uc6b0\ub9ac\uc758 \uc0b6\uacfc \ub2e4\uc591\ud55c \uc0b0\uc5c5\uc5d0 \ud1b5\ud569\ub418\ub294\uc9c0 \ub354 \uae4a\uc774 \uc774\ud574\ud560 \uc218 \uc788\uac8c \ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc55e\uc73c\ub85c\ub3c4 \ub85c\uace0\ud504\uc2a4\ud0a4 \ucf54\uc77c \uae30\uc220\uc740 \uc9c0\uc18d\uc801\uc73c\ub85c \ubc1c\uc804\ud558\uc5ec \ub354\uc6b1 \uc815\ubc00\ud558\uace0 \ud6a8\uc728\uc801\uc778 \uc804\ub825 \uad00\ub9ac \uc2dc\uc2a4\ud15c\uc758 \uac1c\ubc1c\uc5d0 \uae30\uc5ec\ud560 \uac83\uc785\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ube44\uc811\ucd09\uc2dd \uc804\ub958 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