{"id":213546,"date":"2024-08-18T19:37:25","date_gmt":"2024-08-18T19:37:25","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/?p=213546"},"modified":"2024-08-18T19:37:25","modified_gmt":"2024-08-18T19:37:25","slug":"%eb%8b%a4%ec%96%91%ed%95%9c-%ec%9e%90%ea%b8%b0-%ec%9c%a0%eb%8f%84-%ec%84%bc%ec%84%9c%ec%99%80-%ea%b7%b8-%ec%9d%91%ec%9a%a9-%eb%b6%84%ec%95%bc","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%eb%8b%a4%ec%96%91%ed%95%9c-%ec%9e%90%ea%b8%b0-%ec%9c%a0%eb%8f%84-%ec%84%bc%ec%84%9c%ec%99%80-%ea%b7%b8-%ec%9d%91%ec%9a%a9-%eb%b6%84%ec%95%bc\/","title":{"rendered":"\ub2e4\uc591\ud55c \uc790\uae30 \uc720\ub3c4 \uc13c\uc11c\uc640 \uadf8 \uc751\uc6a9 \ubd84\uc57c"},"content":{"rendered":"

\uc790\uae30 \uc720\ub3c4 \uc13c\uc11c\uc758 \uc6d0\ub9ac\uc640 \ub2e4\uc591\ud55c \uc751\uc6a9 \ubd84\uc57c\ub97c \uc0b4\ud3b4\ubcf4\ub294 \uae30\uc0ac. \uc0b0\uc5c5, \uc758\ub8cc, \uc790\ub3d9\ucc28 \ub4f1 \uc5ec\ub7ec \ubd84\uc57c\uc5d0\uc11c\uc758 \ud65c\uc6a9 \uc0ac\ub840\ub97c \ub2e4\ub8f9\ub2c8\ub2e4.<\/p>\n

\ub2e4\uc591\ud55c \uc790\uae30 \uc720\ub3c4 \uc13c\uc11c\uc640 \uadf8 \uc751\uc6a9 \ubd84\uc57c<\/h2>\n

\uc790\uae30 \uc720\ub3c4 \uc13c\uc11c\ub294 \uc804\uc790\uae30 \uc720\ub3c4(electromagnetic induction)\uc744 \ud1b5\ud574 \uc790\uae30\uc7a5\uc744 \uac10\uc9c0\ud558\ub294 \uc7a5\uce58\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc13c\uc11c\ub294 \ub9e4\uc6b0 \ub2e4\uc591\ud55c \ud615\ud0dc\uc640 \uc751\uc6a9 \ubd84\uc57c\ub97c \uac00\uc9c0\uace0 \uc788\uc5b4 \ud604\ub300 \uc0b0\uc5c5\uacfc \uae30\uc220\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 \ub300\ud45c\uc801\uc778 \uc790\uae30 \uc720\ub3c4 \uc13c\uc11c\uc640 \uadf8 \uc751\uc6a9 \ubd84\uc57c\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc790\uae30 \uc720\ub3c4 \uc13c\uc11c\uc758 \uc885\ub958<\/h2>\n

<\/p>\n

  • \ud640 \ud6a8\uacfc \uc13c\uc11c<\/li>\n
  • \ud50c\ub7ed\uc2a4\uac8c\uc774\ud2b8 \uc13c\uc11c<\/li>\n
  • \uc790\uae30 \uc800\ud56d \uc13c\uc11c<\/li>\n
  • \uc790\uae30 \uc778\ub355\uc158 \ucf54\uc77c<\/li>\n

    <\/u1><\/p>\n

    \ud640 \ud6a8\uacfc \uc13c\uc11c<\/h3>\n

    \ud640 \ud6a8\uacfc \uc13c\uc11c\ub294 \uc804\ub958\uac00 \ud750\ub974\ub294 \ub3c4\uccb4\uc5d0 \uc790\uae30\uc7a5\uc774 \uc218\uc9c1\uc73c\ub85c \uac00\ud574\uc9c8 \ub54c \ubc1c\uc0dd\ud558\ub294 \ud640 \uc804\uc555(Hall voltage)\uc744 \uce21\uc815\ud569\ub2c8\ub2e4. \ud640 \ud6a8\uacfc\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc218\uc2dd\uc73c\ub85c \ud45c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n

    VH<\/sub> = \\(\\frac{IB}{nq}\\)<\/p>\n

    \uc5ec\uae30\uc11c VH<\/sub>\ub294 \ud640 \uc804\uc555, I\ub294 \uc804\ub958, B\ub294 \uc790\uae30\uc7a5\uc758 \uc138\uae30, n\uc740 \uc804\ud558 \uc6b4\ubc18\uc790\uc758 \ubc00\ub3c4, q\ub294 \uc804\ud558\uc785\ub2c8\ub2e4.<\/p>\n

    \ud50c\ub7ed\uc2a4\uac8c\uc774\ud2b8 \uc13c\uc11c<\/h3>\n

    \ud50c\ub7ed\uc2a4\uac8c\uc774\ud2b8 \uc13c\uc11c\ub294 \uc678\ubd80 \uc790\uae30\uc7a5\uc744 \uac10\uc9c0\ud558\uae30 \uc704\ud574 \ucca0\uc2ec\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ucca0\uc2ec\uc774 \uc790\uae30\uc7a5\uc5d0 \uc758\ud574 \uc790\uae30\ud654\ub418\uba74, \uc774\ub97c \uac10\uc9c0\ud558\uc5ec \uc804\uae30 \uc2e0\ud638\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4. \uc774 \uc13c\uc11c\ub294 \ub9e4\uc6b0 \ub192\uc740 \ubbfc\uac10\ub3c4\ub97c \uac00\uc9c0\uba70 \ub0ae\uc740 \uac15\ub3c4\uc758 \uc790\uae30\uc7a5\uc744 \ud0d0\uc9c0\ud558\ub294 \ub370 \uc6b0\uc218\ud569\ub2c8\ub2e4.<\/p>\n

    \uc790\uae30 \uc800\ud56d \uc13c\uc11c<\/h3>\n

    \uc790\uae30 \uc800\ud56d \uc13c\uc11c(Magnetoresistive sensor)\ub294 \ubb3c\uc9c8\uc758 \uc800\ud56d\uc774 \uc790\uae30\uc7a5\uc5d0 \ub530\ub77c \ubcc0\ud558\ub294 \ud2b9\uc131\uc744 \uc774\uc6a9\ud569\ub2c8\ub2e4. \uc790\uae30 \uc800\ud56d\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \uc218\uc2dd\uc73c\ub85c \ud45c\ud604\ub429\ub2c8\ub2e4:<\/p>\n

    \\(\\Delta R = R_0 \\cdot \\Delta B\\)<\/p>\n

    \uc5ec\uae30\uc11c \\(\\Delta R\\)\uc740 \uc800\ud56d\uc758 \ubcc0\ud654\ub7c9, \\(R_0\\)\ub294 \uae30\uc900 \uc800\ud56d, \\(\\Delta B\\)\ub294 \uc790\uae30\uc7a5\uc758 \ubcc0\ud654\uc785\ub2c8\ub2e4. \uc774 \uc13c\uc11c\ub294 \uc815\ubc00\ud55c \uc790\uae30\uc7a5 \uce21\uc815\uc774 \ud544\uc694\ud560 \ub54c \uc8fc\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n

    \uc790\uae30 \uc778\ub355\uc158 \ucf54\uc77c<\/h3>\n

    \uc790\uae30 \uc778\ub355\uc158 \ucf54\uc77c\uc740 \uc790\uae30\uc7a5\uc744 \uac10\uc9c0\ud558\uc5ec \uc804\ub958\ub97c \uc720\ub3c4\ud569\ub2c8\ub2e4. \ud328\ub7ec\ub370\uc774 \ubc95\uce59(Faraday’s Law)\uc5d0 \ub530\ub974\uba74, \uc790\uae30\uc7a5\uc758 \ubcc0\ud654\ub294 \ucf54\uc77c\uc5d0 \uc804\ub958\ub97c \uc720\ub3c4\ud558\uac8c \ub429\ub2c8\ub2e4. \uc774\ub294 \ub2e4\uc74c \uc218\uc2dd\uc73c\ub85c \ud45c\ud604\ub429\ub2c8\ub2e4:<\/p>\n

    EMF = -N \\(\\frac{d\\phi}{dt}\\)<\/p>\n

    \uc5ec\uae30\uc11c EMF\ub294 \uc720\ub3c4 \uc804\uc790\uae30\ub825, N\uc740 \ucf54\uc77c\uc758 \uac10\uc740 \uc218, \\(\\frac{d\\phi}{dt}\\)\ub294 \uc790\uae30\uc120\uc18d\uc758 \uc2dc\uac04\uc5d0 \ub530\ub978 \ubcc0\ud654\uc728\uc785\ub2c8\ub2e4.<\/p>\n

    \uc790\uae30 \uc720\ub3c4 \uc13c\uc11c\uc758 \uc751\uc6a9 \ubd84\uc57c<\/h2>\n

    <\/p>\n

  • \uc790\ub3d9\ucc28 \uc0b0\uc5c5<\/li>\n
  • \uc758\ub8cc \uae30\uae30<\/li>\n
  • \uc18c\ube44\uc790 \uc804\uc790\uc81c\ud488<\/li>\n
  • \uc0b0\uc5c5 \uc790\ub3d9\ud654<\/li>\n
  • \ub85c\ubd07 \uacf5\ud559<\/li>\n

    <\/u1><\/p>\n

    \uc790\ub3d9\ucc28 \uc0b0\uc5c5<\/h3>\n

    \uc790\uae30 \uc720\ub3c4 \uc13c\uc11c\ub294 \uc790\ub3d9\ucc28\uc758 \uc5d4\uc9c4 \uc18d\ub3c4, \uc704\uce58, \uadf8\ub9ac\uace0 ABS(\uc548\ud2f0\ub85d \ube0c\ub808\uc774\ud06c \uc2dc\uc2a4\ud15c)\uc640 \uac19\uc740 \uc5ec\ub7ec \uac00\uc9c0 \uc548\uc804 \uc7a5\uce58\uc5d0\uc11c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ud06c\ub7ad\ud06c\uc0e4\ud504\ud2b8 \uc704\uce58 \uc13c\uc11c\ub294 \uc5d4\uc9c4\uc758 \ud68c\uc804\uc744 \uac10\uc9c0\ud558\uc5ec \uc810\ud654 \ud0c0\uc774\ubc0d\uc744 \ucd5c\uc801\ud654\ud569\ub2c8\ub2e4.<\/p>\n

    \uc758\ub8cc \uae30\uae30<\/h3>\n

    \ud640 \ud6a8\uacfc \uc13c\uc11c\uc640 \uc790\uae30 \uc800\ud56d \uc13c\uc11c\ub294 MRI\uc640 \uac19\uc740 \uc758\ub8cc \uae30\uae30\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uae30\uae30\ub294 \uccb4\ub0b4\uc758 \uc790\uc131\uc744 \uce21\uc815\ud558\uc5ec \uc815\ubc00\ud55c \uc774\ubbf8\uc9c0\ub97c \ub9cc\ub4dc\ub294\ub370, \uc774\ub294 \ube44\uce68\uc2b5\uc801 \uc9c4\ub2e8\uc744 \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4.<\/p>\n

    \uc18c\ube44\uc790 \uc804\uc790\uc81c\ud488<\/h3>\n

    \uc790\uc131 \uc13c\uc11c\ub294 \uc2a4\ub9c8\ud2b8\ud3f0, \ud0dc\ube14\ub9bf, \ub178\ud2b8\ubd81\uacfc \uac19\uc740 \uae30\uae30\uc758 \ubc29\ud5a5\uc744 \uac10\uc9c0\ud558\uc5ec \ud654\uba74 \ud68c\uc804 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ub610\ud55c \uc804\uc790 \ub098\uce68\ubc18\uc73c\ub85c \uc0ac\uc6a9\ub418\uc5b4 \ub124\ube44\uac8c\uc774\uc158 \uae30\ub2a5\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/p>\n

    \uc0b0\uc5c5 \uc790\ub3d9\ud654<\/h3>\n

    \uc0b0\uc5c5 \uc790\ub3d9\ud654\uc5d0\uc11c\ub294 \ub85c\ubd07 \ud314\uc758 \uc815\ud655\ud55c \uc704\uce58\ub97c \uac10\uc9c0\ud558\uac70\ub098, \ucee8\ubca0\uc774\uc5b4 \ubca8\ud2b8\uc758 \uc18d\ub3c4\ub97c \uc81c\uc5b4\ud558\ub294 \ub370 \uc790\uae30 \uc720\ub3c4 \uc13c\uc11c\uac00 \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n

    \ub85c\ubd07 \uacf5\ud559<\/h3>\n

    \ub85c\ubd07 \uacf5\ud559\uc5d0\uc11c\ub294 \ub2e4\uc591\ud55c \uc13c\uc11c\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub85c\ubd07\uc758 \uc704\uce58, \uc18d\ub3c4, \uc790\uc138\ub97c \uc2e4\uc2dc\uac04\uc73c\ub85c \uc81c\uc5b4\ud569\ub2c8\ub2e4. \uc790\uae30 \uc720\ub3c4 \uc13c\uc11c\ub294 \uc774\ub7ec\ud55c \uc815\ubcf4\ub97c \uc81c\uacf5\ud558\ub294 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ub2f4\ub2f9\ud569\ub2c8\ub2e4.<\/p>\n

    \uc774\ucc98\ub7fc \ub2e4\uc591\ud55c \ud615\ud0dc\uc640 \uc801\uc6a9 \ubd84\uc57c\ub97c \uac00\uc9c4 \uc790\uae30 \uc720\ub3c4 \uc13c\uc11c\ub294 \ud604\ub300 \uae30\uc220 \ubc1c\uc804\uc5d0 \uc788\uc5b4 \uc911\uc694\ud55c \uc694\uc18c\ub85c \uc790\ub9ac\uc7a1\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc55e\uc73c\ub85c\ub3c4 \ub354\uc6b1 \ubc1c\uc804\ub41c \uae30\uc220\uacfc \ud568\uaed8 \ub354 \ub9ce\uc740 \uc751\uc6a9\uc774 \uae30\ub300\ub429\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"

    \uc790\uae30 \uc720\ub3c4 \uc13c\uc11c\uc758 \uc6d0\ub9ac\uc640 \ub2e4\uc591\ud55c \uc751\uc6a9 \ubd84\uc57c\ub97c \uc0b4\ud3b4\ubcf4\ub294 \uae30\uc0ac. \uc0b0\uc5c5, \uc758\ub8cc, \uc790\ub3d9\ucc28 \ub4f1 \uc5ec\ub7ec \ubd84\uc57c\uc5d0\uc11c\uc758 \ud65c\uc6a9 \uc0ac\ub840\ub97c \ub2e4\ub8f9\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":[101],"tags":[],"class_list":["post-213546","post","type-post","status-publish","format-standard","hentry","category-101","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"\n\ub2e4\uc591\ud55c \uc790\uae30 \uc720\ub3c4 \uc13c\uc11c\uc640 \uadf8 \uc751\uc6a9 \ubd84\uc57c<\/title>\n<meta name=\"description\" content=\"\uc790\uae30 \uc720\ub3c4 \uc13c\uc11c\uc758 \uc6d0\ub9ac\uc640 \ub2e4\uc591\ud55c \uc751\uc6a9 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