{"id":213455,"date":"2024-11-02T09:00:05","date_gmt":"2024-11-02T09:00:05","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/?p=213455"},"modified":"2024-11-02T09:00:05","modified_gmt":"2024-11-02T09:00:05","slug":"%eb%ac%bc%ec%b2%b4%ec%9d%98-%ec%9e%90%ea%b8%b0-%eb%aa%a8%eb%a9%98%ed%8a%b8%eb%8a%94-%ec%9e%90%ea%b8%b0%ec%9e%a5%ea%b3%bc-%ec%96%b4%eb%96%bb%ea%b2%8c-%ea%b4%80%eb%a0%a8%ec%9d%b4-%ec%9e%88%ec%9d%84","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%eb%ac%bc%ec%b2%b4%ec%9d%98-%ec%9e%90%ea%b8%b0-%eb%aa%a8%eb%a9%98%ed%8a%b8%eb%8a%94-%ec%9e%90%ea%b8%b0%ec%9e%a5%ea%b3%bc-%ec%96%b4%eb%96%bb%ea%b2%8c-%ea%b4%80%eb%a0%a8%ec%9d%b4-%ec%9e%88%ec%9d%84\/","title":{"rendered":"\ubb3c\uccb4\uc758 \uc790\uae30 \ubaa8\uba58\ud2b8\ub294 \uc790\uae30\uc7a5\uacfc \uc5b4\ub5bb\uac8c \uad00\ub828\uc774 \uc788\uc744\uae4c?"},"content":{"rendered":"

\ubb3c\uccb4\uc758 \uc790\uae30 \ubaa8\uba58\ud2b8\uac00 \uc790\uae30\uc7a5\uacfc \uc0c1\ud638\uc791\uc6a9\ud558\ub294 \ubc29\uc2dd\uc744 \uc124\uba85\ud558\uba70, \uc790\uae30 \ubaa8\uba58\ud2b8\uc758 \uae30\ubcf8 \uac1c\ub150\uacfc \uad00\ub828 \ubb3c\ub9ac \ubc95\uce59\uc744 \uc774\ud574\ud558\uae30 \uc27d\uac8c \uc18c\uac1c\ud569\ub2c8\ub2e4.<\/p>\n

\ubb3c\uccb4\uc758 \uc790\uae30 \ubaa8\uba58\ud2b8\ub294 \uc790\uae30\uc7a5\uacfc \uc5b4\ub5bb\uac8c \uad00\ub828\uc774 \uc788\uc744\uae4c?<\/h2>\n

\uc790\uae30\uc7a5\uc774\ub780 \uacf5\uac04\uc758 \ud55c \uc810\uc5d0\uc11c \uc790\uae30\ub825\uc758 \uc138\uae30\uc640 \ubc29\ud5a5\uc744 \ub098\ud0c0\ub0b4\ub294 \ubca1\ud130 \uc7a5(field)\uc785\ub2c8\ub2e4. \uc6b0\ub9ac \uc8fc\ubcc0\uc5d0\ub294 \uc9c0\uad6c \uc790\uae30\uc7a5, \uc804\uc790\uae30 \ucf54\uc77c\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uc790\uae30\uc7a5 \ub4f1 \ub2e4\uc591\ud55c \uc790\uae30\uc7a5\uc774 \uc874\uc7ac\ud569\ub2c8\ub2e4. \uc774 \uc790\uae30\uc7a5\uacfc \ubc00\uc811\ud558\uac8c \uad00\ub828\ub41c \ubb3c\ub9ac\uc801 \uac1c\ub150 \uc911 \ud558\ub098\uac00 \ubc14\ub85c \uc790\uae30 \ubaa8\uba58\ud2b8\uc785\ub2c8\ub2e4.<\/p>\n

\uc790\uae30 \ubaa8\uba58\ud2b8\ub780?<\/h2>\n

\uc790\uae30 \ubaa8\uba58\ud2b8(magnetic moment)\ub294 \ubb3c\uccb4\uac00 \uc678\ubd80 \uc790\uae30\uc7a5\uacfc \uc0c1\ud638\uc791\uc6a9\ud560 \ub54c \ub098\ud0c0\ub098\ub294 \ubb3c\ub9ac\uc801 \uc18d\uc131\uc785\ub2c8\ub2e4. \uc790\uae30 \ubaa8\uba58\ud2b8\ub97c \uac00\uc9c0\uace0 \uc788\ub294 \ubb3c\uccb4\ub294 \uc678\ubd80 \uc790\uae30\uc7a5\uc5d0 \uc758\ud574 \ud1a0\ud06c(torque) \ub610\ub294 \ud798\uc744 \ubc1b\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc790\uae30 \ubaa8\uba58\ud2b8\ub294 \uc8fc\ub85c \ub2e4\uc74c\uacfc \uac19\uc740 \ubc29\uc2dd\uc73c\ub85c \ub098\ud0c0\ub0a0 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n

<\/p>\n

  • \uc804\uc790\ub4e4\uc758 \uada4\ub3c4 \uc6b4\ub3d9\uc774\ub098 \uc2a4\ud540(SPIN)\uc5d0 \uc758\ud55c \uc790\uae30 \ubaa8\uba58\ud2b8<\/li>\n
  • \uc6d0\uc790 \ubc30\uc5f4\uc5d0 \uc758\ud55c \uc790\uae30 \ubaa8\uba58\ud2b8<\/li>\n
  • \ucca0, \ucf54\ubc1c\ud2b8\uc640 \uac19\uc740 \uac15\uc790\uc131\uccb4(materials)\uc5d0\uc11c \ub098\ud0c0\ub098\ub294 \uc9d1\ub2e8\uc801 \uc790\uae30 \ubaa8\uba58\ud2b8<\/li>\n

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

    \uc790\uae30 \ubaa8\uba58\ud2b8\uc640 \ud68c\uc804\uc790\uc758 \uc608<\/h2>\n

    \ud68c\uc804\uc790(rotating object)\ub294 \uc790\uae30 \ubaa8\uba58\ud2b8\uc758 \uace0\uc804\uc801 \uc608\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc804\uc790 \ud558\ub098\uac00 \uc790\uc804(spin)\ud558\uac70\ub098 \uc6d0\uc790\ud575 \uc8fc\uc704\ub97c \uada4\ub3c4 \uc6b4\ub3d9\ud560 \ub54c, \uc804\ub958\uac00 \ud750\ub974\ub294 \uac83\uacfc \uac19\uc740 \ud6a8\uacfc\ub97c \ub0b4\uba70 \uc791\uc740 \uc790\uae30 \ubaa8\uba58\ud2b8\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \uc774 \ub54c \uc790\uae30 \ubaa8\uba58\ud2b8\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uc815\uc758\ub429\ub2c8\ub2e4:<\/p>\n

    \uc790\uae30 \ubaa8\uba58\ud2b8 (\u03bc) = I * A<\/strong><\/p>\n

    \uc5ec\uae30\uc11c I\ub294 \uc804\ub958, A\ub294 \uc804\ub958\uac00 \ud750\ub974\ub294 \ud68c\ub85c\uc758 \uba74\uc801\uc785\ub2c8\ub2e4. \uc804\uc790\ub4e4\uc758 \uc6c0\uc9c1\uc784\uc774 \uc790\uae30 \ubaa8\uba58\ud2b8\ub97c \uc0dd\uc131\ud568\uc73c\ub85c, \uc774\ub294 \uc678\ubd80 \uc790\uae30\uc7a5\uacfc \uc0c1\ud638\uc791\uc6a9\ud558\uc5ec \ubb3c\uccb4\uc5d0 \ud1a0\ud06c\ub97c \ubc1c\uc0dd\uc2dc\ud0a4\uac70\ub098 \uc790\uae30\uc7a5 \ubc29\ud5a5\uc73c\ub85c \uc815\ub82c\ub418\ub824\ub294 \uacbd\ud5a5\uc774 \uc0dd\uae41\ub2c8\ub2e4.<\/p>\n

    \uc790\uae30 \ubaa8\uba58\ud2b8\uc640 \uc678\ubd80 \uc790\uae30\uc7a5\uc758 \uc0c1\ud638\uc791\uc6a9<\/h2>\n

    \uc678\ubd80 \uc790\uae30\uc7a5(B)\uc774 \uc790\uae30 \ubaa8\uba58\ud2b8(\u03bc)\ub97c \uac00\uc9c0\ub294 \ubb3c\uccb4\uc5d0 \uc791\uc6a9\ud560 \ub54c, \ubb3c\uccb4\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc0c1\ud638\uc791\uc6a9\uc744 \uacaa\uac8c \ub429\ub2c8\ub2e4:<\/p>\n

    <\/p>\n

  • \ud1a0\ud06c:<\/strong> \uc790\uae30 \ubaa8\uba58\ud2b8\uc640 \uc678\ubd80 \uc790\uae30\uc7a5\uc774 \uc9c1\uad50\ud560 \ub54c \ucd5c\ub300 \ud1a0\ud06c\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc774\ub294 \ubb3c\uccb4\ub97c \ud68c\uc804\uc2dc\ud0a4\ub294 \ud798\uc73c\ub85c \uc791\uc6a9\ud558\uc5ec \uc790\uae30 \ubaa8\uba58\ud2b8\ub97c \uc790\uae30\uc7a5 \ubc29\ud5a5\uc73c\ub85c \uc815\ub82c\uc2dc\ud0a4\ub824\ud569\ub2c8\ub2e4. \uacf5\uc2dd\uc73c\ub85c\ub294 \u03c4 = \u03bc x B<\/em> (\ubca1\ud130\uacf1)\uc73c\ub85c \ud45c\ud604\ub429\ub2c8\ub2e4.<\/li>\n
  • \uc5d0\ub108\uc9c0:<\/strong> \uc790\uae30 \ubaa8\uba58\ud2b8\uac00 \uc790\uae30\uc7a5\uacfc \ud3c9\ud589\ud560 \ub54c, \uc2dc\uc2a4\ud15c\uc758 \uc5d0\ub108\uc9c0\uac00 \ucd5c\uc18c\uac00 \ub429\ub2c8\ub2e4. \uc774\ub294 \uc790\uae30 \ubaa8\uba58\ud2b8\uac00 \uc790\uae30\uc7a5\uc5d0 \ud3c9\ud589\ud558\uac8c \uc815\ub82c\ub420 \ub54c \uc548\uc815\ud55c \uc0c1\ud0dc\uc5d0 \ub3c4\ub2ec\ud568\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc5d0\ub108\uc9c0\ub294 E = -\u03bc * B<\/em>\ub85c \ud45c\ud604\ub429\ub2c8\ub2e4.<\/li>\n

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

    \ub9c8\ubb34\ub9ac<\/h2>\n

    \uc790\uae30 \ubaa8\uba58\ud2b8\ub294 \uc790\uae30\uc7a5\uacfc\uc758 \uc0c1\ud638\uc791\uc6a9\uc744 \ud1b5\ud574 \ub2e4\uc591\ud55c \ubb3c\ub9ac\uc801 \ud604\uc0c1\uc744 \uc124\uba85\ud560 \uc218 \uc788\ub294 \uc911\uc694\ud55c \uac1c\ub150\uc785\ub2c8\ub2e4. \uc804\uc790\uc640 \uc6d0\uc790\uc758 \uc6c0\uc9c1\uc784\uc5d0\uc11c \ube44\ub86f\ub41c \uc774 \uc791\uc740 \ud798\ub4e4\uc774 \ubaa8\uc5ec\uc11c \uac15\ub825\ud55c \uc790\uae30\uc7a5\uc744 \ud615\uc131\ud558\uace0, \uc774\ub294 \uc6b0\ub9ac \uc77c\uc0c1 \uc18d \uc5ec\ub7ec \uc804\uc790\uae30\uae30\uc640 \uc2dc\uc2a4\ud15c\uc5d0 \ud544\uc218\uc801\uc778 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/p>\n

    \uc774\ub7ec\ud55c \uc6d0\ub9ac\ub4e4\uc744 \uc774\ud574\ud558\uba74 \uc804\uae30 \ubaa8\ud130, \uc790\uae30 \uacf5\uba85 \uc601\uc0c1(MRI) \ub4f1 \ub2e4\uc591\ud55c \uae30\uc220\uc758 \uadfc\ubcf8 \uc6d0\ub9ac\ub97c \uae68\ub2eb\ub294 \ub370 \ub3c4\uc6c0\uc744 \uc904 \uac83\uc785\ub2c8\ub2e4. \ubb3c\uccb4\uc758 \uc790\uae30 \ubaa8\uba58\ud2b8\uc640 \uc790\uae30\uc7a5 \uac04\uc758 \uc0c1\ud638\uc791\uc6a9\uc740 \uc804\uae30\uc640 \uc790\uae30\uc758 \uc138\uacc4\ub97c \ub354\uc6b1 \ud765\ubbf8\ub86d\uace0 \uc720\uc775\ud558\uac8c \ub9cc\ub4e4\uc5b4\uc90d\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"

    \ubb3c\uccb4\uc758 \uc790\uae30 \ubaa8\uba58\ud2b8\uac00 \uc790\uae30\uc7a5\uacfc \uc0c1\ud638\uc791\uc6a9\ud558\ub294 \ubc29\uc2dd\uc744 \uc124\uba85\ud558\uba70, \uc790\uae30 \ubaa8\uba58\ud2b8\uc758 \uae30\ubcf8 \uac1c\ub150\uacfc \uad00\ub828 \ubb3c\ub9ac \ubc95\uce59\uc744 \uc774\ud574\ud558\uae30 \uc27d\uac8c \uc18c\uac1c\ud569\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-213455","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\ubb3c\uccb4\uc758 \uc790\uae30 \ubaa8\uba58\ud2b8\ub294 \uc790\uae30\uc7a5\uacfc \uc5b4\ub5bb\uac8c \uad00\ub828\uc774 \uc788\uc744\uae4c?<\/title>\n<meta name=\"description\" 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