{"id":146870,"date":"2024-04-27T12:52:42","date_gmt":"2024-04-27T12:52:42","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%eb%b3%80%ed%98%95-%ea%b2%8c%ec%9d%b4%ec%a7%80-%ea%b0%80%ec%86%8d%eb%8f%84%ea%b3%84\/"},"modified":"2024-04-27T12:52:49","modified_gmt":"2024-04-27T12:52:49","slug":"%eb%b3%80%ed%98%95-%ea%b2%8c%ec%9d%b4%ec%a7%80-%ea%b0%80%ec%86%8d%eb%8f%84%ea%b3%84","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%eb%b3%80%ed%98%95-%ea%b2%8c%ec%9d%b4%ec%a7%80-%ea%b0%80%ec%86%8d%eb%8f%84%ea%b3%84\/","title":{"rendered":"\ubcc0\ud615 \uac8c\uc774\uc9c0 \uac00\uc18d\ub3c4\uacc4"},"content":{"rendered":"

\ubcc0\ud615 \uac8c\uc774\uc9c0 \uac00\uc18d\ub3c4\uacc4 \uc6d0\ub9ac \ubc0f \uad6c\uc131\uc744 \uc124\uba85\ud558\uace0, \ud574\ub2f9 \uae30\uc220\uc774 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ubc0f \uacfc\ud559 \ubd84\uc57c\uc5d0\uc11c \uc5b4\ub5bb\uac8c \ud65c\uc6a9\ub418\ub294\uc9c0\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \uc815\ubcf4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n

\"\ubcc0\ud615<\/p>\n

\ubcc0\ud615 \uac8c\uc774\uc9c0 \uac00\uc18d\ub3c4\uacc4\uc758 \uc6d0\ub9ac<\/h2>\n

\ubcc0\ud615 \uac8c\uc774\uc9c0 \uac00\uc18d\ub3c4\uacc4\ub294 \uac00\uc18d\ub3c4\uc758 \uc601\ud5a5\uc744 \ubc1b\ub294 \uc5b4\ub5a0\ud55c \ubcc0\ud615\uc774\ub098 \uc9c4\ub3d9\uc744 \uce21\uc815\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ub418\ub294 \uae30\uae30\uc785\ub2c8\ub2e4. \uc774 \uae30\uae30\uc758 \ud575\uc2ec \uc694\uc18c \uc911 \ud558\ub098\ub294 \ubcc0\ud615\ub960\uc744 \uce21\uc815\ud558\ub294 \uac83\uc73c\ub85c, \uc774\ub294 \uc77c\ubc18\uc801\uc73c\ub85c ‘\uc2a4\ud2b8\ub808\uc778 \uac8c\uc774\uc9c0(strain gauge)’\ub77c\uace0 \ubd88\ub9ac\ub294 \uc18c\uc790\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ubcc0\ud615\ub960\uc774\ub780 \uc7ac\ub8cc\uac00 \uc678\ubd80 \ud798\uc5d0 \uc758\ud574 \ubcc0\ud615\ub420 \ub54c \uadf8 \uae38\uc774 \ubcc0\ud654\uc758 \uc815\ub3c4\ub97c \ub098\ud0c0\ub0b4\ub294 \uc9c0\ud45c\uc785\ub2c8\ub2e4.<\/p>\n

\ubcc0\ud615 \uac8c\uc774\uc9c0\ub294 \uc804\uae30 \uc800\ud56d\uc758 \ubcc0\ud654\ub97c \uc774\uc6a9\ud558\uc5ec \uc7ac\ub8cc\uc758 \ubcc0\ud615\uc744 \uac10\uc9c0\ud569\ub2c8\ub2e4. \uc774 \uc6d0\ub9ac\ub294 1856\ub144\uc5d0 \ub3c5\uc77c\uc758 \ubb3c\ub9ac\ud559\uc790 \ub85c\ubc84\ud2b8 \ud6c4\ud06c\uac00 \ubc1c\uacac\ud55c \ud6c4\ud06c\uc758 \ubc95\uce59\uc5d0\uc11c \uc720\ub798\ud588\uc2b5\ub2c8\ub2e4. \uc774 \ubc95\uce59\uc740 \ud798\uc758 \uc601\ud5a5\uc73c\ub85c \uc7ac\ub8cc\uac00 \ud0c4\uc131 \ud55c\uacc4 \ub0b4\uc5d0\uc11c \ubcc0\ud615\ub420 \ub54c, \uadf8 \ubcc0\ud615\uc815\ub3c4\ub294 \uac00\ud574\uc9c4 \ud798\uc5d0 \ube44\ub840\ud55c\ub2e4\ub294 \uac83\uc744 \uc124\uba85\ud569\ub2c8\ub2e4. \uc218\uc2dd\uc73c\ub85c\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \ud45c\ud604\ub429\ub2c8\ub2e4:<\/p>\n

\u03b5 = \u0394L \/ L0<\/sub><\/i><\/p>\n

\uc5ec\uae30\uc11c \u03b5<\/i>\ub294 \ubcc0\ud615\ub960, \u0394L<\/i>\uc740 \uc6d0\ub798 \uae38\uc774\uc5d0 \ub300\ud55c \ubcc0\ud615\ub41c \uae38\uc774\uc758 \ucc28\uc774, L0<\/sub><\/i>\ub294 \uc6d0\ub798 \uae38\uc774\uc785\ub2c8\ub2e4.<\/p>\n

\ub54c\ubb38\uc5d0 \uac00\uc18d\ub3c4\uc5d0 \uc758\ud574 \ubcc0\ud615 \uac8c\uc774\uc9c0\uac00 \ubd80\ucc29\ub41c \ubb3c\uccb4\uac00 \ubcc0\ud615\ub418\uba74, \uc774 \ubcc0\ud615\ub960\uc740 \uac8c\uc774\uc9c0\uc758 \uc804\uae30 \uc800\ud56d \ubcc0\ud654\ub85c \ub098\ud0c0\ub098\uac8c \ub429\ub2c8\ub2e4. \uc774 \uc800\ud56d\uc758 \ubcc0\ud654\ub294 \uc544\uc8fc \ubbf8\uc138\ud558\uae30 \ub54c\ubb38\uc5d0 ‘\uc640\ud2f0\uc2a4\ud1a4 \ube0c\ub9ac\uc9c0(Wheatstone bridge)’ \ud68c\ub85c\ub97c \uc0ac\uc6a9\ud558\uc5ec \uce21\uc815\ud569\ub2c8\ub2e4. \uc774 \ud68c\ub85c\ub294 \ubbfc\uac10\ud55c \uc804\uae30\uc800\ud56d \uce21\uc815\uc5d0 \ud754\ud788 \uc0ac\uc6a9\ub418\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4.<\/p>\n

\ubcc0\ud615 \uac8c\uc774\uc9c0 \uac00\uc18d\ub3c4\uacc4\uc758 \uad6c\uc131<\/h2>\n
    \n
  • \uc2a4\ud2b8\ub808\uc778 \uac8c\uc774\uc9c0: \uac00\uc18d\ub3c4\uc5d0 \uc758\ud55c \ubcc0\ud615\ub960\uc744 \uac10\uc9c0\ud558\uc5ec \uc804\uae30 \uc800\ud56d\uc758 \ubcc0\ud654\ub97c \uc77c\uc73c\ud0b5\ub2c8\ub2e4.<\/li>\n
  • \uc640\ud2f0\uc2a4\ud1a4 \ube0c\ub9ac\uc9c0 \ud68c\ub85c: \ubbf8\uc138\ud55c \uc804\uae30 \uc800\ud56d\uc758 \ubcc0\ud654\ub97c \uc99d\ud3ed\ud558\uc5ec \uce21\uc815 \uac00\ub2a5\ud558\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/li>\n
  • \uc2e0\ud638 \uc870\uc815 \ud68c\ub85c: \uce21\uc815\ub41c \uc800\ud56d \ubcc0\ud654\ub97c \uc774\ud574\ud558\uae30 \uc26c\uc6b4 \uc804\uae30 \uc2e0\ud638\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4.<\/li>\n
  • \ucd9c\ub825 \uc7a5\uce58: \ubcc0\ud658\ub41c \uc804\uae30 \uc2e0\ud638\ub97c \uc0ac\uc6a9\uc790\uac00 \uc77d\uc744 \uc218 \uc788\ub294 \ub370\uc774\ud130\ub85c \ud45c\uc2dc\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n

    \ubcc0\ud615 \uac8c\uc774\uc9c0 \uac00\uc18d\ub3c4\uacc4\uc758 \ud65c\uc6a9<\/h2>\n

    \uac00\uc18d\ub3c4 \uce21\uc815\uc740 \ub2e4\uc591\ud55c \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1\uacfc \uacfc\ud559 \ubd84\uc57c\uc5d0\uc11c \uc911\uc694\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uba74 \ub2e4\uc74c\uacfc \uac19\uc774 \ud65c\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n

      \n
    1. \uc790\ub3d9\ucc28\ub098 \ud56d\uacf5\uae30\uc758 \uc548\uc804 \uc2dc\ud5d8\uc5d0\uc11c \ucda9\uaca9 \uac10\uc9c0.<\/li>\n
    2. \uac74\ubb3c\uc774\ub098 \uad50\ub7c9\uacfc \uac19\uc740 \uad6c\uc870\ubb3c\uc758 \uac74\uc804\uc131 \ubaa8\ub2c8\ud130\ub9c1.<\/li>\n
    3. \uc9c0\uc9c4\ud559 \uc5f0\uad6c\uc5d0\uc11c \uc9c0\uc9c4\ud30c\uc758 \uac10\uc9c0.<\/li>\n
    4. \uc2a4\ud3ec\uce20 \uacfc\ud559\uc5d0\uc11c \uc120\uc218\ub4e4\uc758 \uc6c0\uc9c1\uc784 \ubd84\uc11d.<\/li>\n<\/ol>\n

      \uc774\ub807\uac8c \ubcc0\ud615 \uac8c\uc774\uc9c0 \uac00\uc18d\ub3c4\uacc4\ub294 \uac04\ub2e8\ud55c \uc6d0\ub9ac\ub97c \ud1b5\ud574 \ubcf5\uc7a1\ud558\uace0 \uc911\uc694\ud55c \ub370\uc774\ud130\ub97c \uc218\uc9d1\ud558\ub294 \ub370\uc5d0 \ud070 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc0b0\uc5c5\uacc4\ub294 \ubb3c\ub860, \uacfc\ud559 \uc5f0\uad6c\uc640 \uc548\uc804 \ubd84\uc57c\uc5d0\uc11c\ub3c4 \uc774\ub7ec\ud55c \uc7a5\ube44\uc758 \uc911\uc694\uc131\uc740 \ub0a0\ub85c \uc99d\ub300\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

      \uc804\uc790\uae30\ud559\uc758 \ubc95\uce59\uacfc \uc5ed\ud559\uc758 \uc6d0\ub9ac\uac00 \uacb0\ud569\ub418\uc5b4 \ub9cc\ub4e4\uc5b4\uc9c4 \ubcc0\ud615\ub960 \uac8c\uc774\uc9c0 \uac00\uc18d\ub3c4\uacc4\ub294 \ud604\ub300 \uacfc\ud559\uae30\uc220\uc5d0\uc11c \ube7c\ub193\uc744 \uc218 \uc5c6\ub294 \uc911\uc694\ud55c \ub3c4\uad6c\uc785\ub2c8\ub2e4. \uc774 \uae30\uae30\ub97c \ud1b5\ud574 \uc6b0\ub9ac\ub294 \uc77c\uc0c1\uc0dd\ud65c\uacfc \uc5f0\uad6c, \uc0b0\uc5c5 \ub4f1\uc5d0\uc11c \ud544\uc218\uc801\uc778 \uc790\ub8cc\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \uc5bb\uc744 \uc218 \uc788\uac8c \ub418\uc5c8\uc73c\uba70, \ub354\uc6b1 \uc548\uc804\ud558\uace0 \ud6a8\uc728\uc801\uc778 \ud658\uacbd\uc744 \uc870\uc131\ud558\ub294 \ub370 \uae30\uc5ec\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"

      \ubcc0\ud615 \uac8c\uc774\uc9c0 \uac00\uc18d\ub3c4\uacc4 \uc6d0\ub9ac \ubc0f \uad6c\uc131\uc744 \uc124\uba85\ud558\uace0, \ud574\ub2f9 \uae30\uc220\uc774 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ubc0f \uacfc\ud559 \ubd84\uc57c\uc5d0\uc11c \uc5b4\ub5bb\uac8c \ud65c\uc6a9\ub418\ub294\uc9c0\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \uc815\ubcf4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":171710,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[88],"tags":[89],"class_list":["post-146870","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":"\n\ubcc0\ud615 \uac8c\uc774\uc9c0 \uac00\uc18d\ub3c4\uacc4 | \uc791\ub3d9 \ubc29\uc2dd, \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8 \ubc0f 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