{"id":147283,"date":"2024-04-27T13:47:14","date_gmt":"2024-04-27T13:47:14","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%ec%84%9d%ec%98%81-%ed%81%ac%eb%a6%ac%ec%8a%a4%ed%83%88-%eb%a7%88%ec%9d%b4%ed%81%ac%eb%a1%9c-%eb%b0%b8%eb%9f%b0%ec%8a%a4-qcm-%ec%8a%b5%eb%8f%84-%ec%84%bc%ec%84%9c\/"},"modified":"2024-04-27T13:47:14","modified_gmt":"2024-04-27T13:47:14","slug":"%ec%84%9d%ec%98%81-%ed%81%ac%eb%a6%ac%ec%8a%a4%ed%83%88-%eb%a7%88%ec%9d%b4%ed%81%ac%eb%a1%9c-%eb%b0%b8%eb%9f%b0%ec%8a%a4-qcm-%ec%8a%b5%eb%8f%84-%ec%84%bc%ec%84%9c","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ec%84%9d%ec%98%81-%ed%81%ac%eb%a6%ac%ec%8a%a4%ed%83%88-%eb%a7%88%ec%9d%b4%ed%81%ac%eb%a1%9c-%eb%b0%b8%eb%9f%b0%ec%8a%a4-qcm-%ec%8a%b5%eb%8f%84-%ec%84%bc%ec%84%9c\/","title":{"rendered":"\uc11d\uc601 \ud06c\ub9ac\uc2a4\ud0c8 \ub9c8\uc774\ud06c\ub85c \ubc38\ub7f0\uc2a4 (QCM) \uc2b5\ub3c4 \uc13c\uc11c"},"content":{"rendered":"

\uc11d\uc601 \ud06c\ub9ac\uc2a4\ud0c8 \ub9c8\uc774\ud06c\ub85c \ubc38\ub7f0\uc2a4(QCM) \uc2b5\ub3c4 \uc13c\uc11c\uc5d0 \uad00\ud55c \uc124\uba85\uacfc \uc6d0\ub9ac, \uad6c\uc131 \uc694\uc18c, \uadf8\ub9ac\uace0 \uc0b0\uc5c5 \ubc0f \uacfc\ud559 \ubd84\uc57c\uc5d0\uc11c\uc758 \ub2e4\uc591\ud55c \ud65c\uc6a9 \uc0ac\ub840\ub97c \uc18c\uac1c\ud569\ub2c8\ub2e4.<\/p>\n

\"\uc11d\uc601<\/p>\n

\uc11d\uc601 \ud06c\ub9ac\uc2a4\ud0c8 \ub9c8\uc774\ud06c\ub85c \ubc38\ub7f0\uc2a4(QCM) \uc2b5\ub3c4 \uc13c\uc11c\ub780?<\/h2>\n

\uc11d\uc601 \ud06c\ub9ac\uc2a4\ud0c8 \ub9c8\uc774\ud06c\ub85c \ubc38\ub7f0\uc2a4(QCM) \uc2b5\ub3c4 \uc13c\uc11c\ub294 \uace0\uc815\ubc00\ub3c4\uc758 \uc2b5\ub3c4 \uce21\uc815\uc744 \uac00\ub2a5\ud558\uac8c \ud558\ub294 \uc77c\uc885\uc758 \uc804\uae30\ud654\ud559 \uc13c\uc11c\uc785\ub2c8\ub2e4. \uc774 \uc13c\uc11c\ub294 \ub9e4\uc6b0 \ubbfc\uac10\ud558\uace0 \uc815\ud655\ud558\uac8c \uc2b5\ub3c4 \ubcc0\ud654\ub97c \ud0d0\uc9c0\ud560 \uc218 \uc788\uc73c\uba70, \uc8fc\ub85c \uacfc\ud559 \uc5f0\uad6c\uc640 \uc0b0\uc5c5 \ubd84\uc57c\uc5d0\uc11c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n

QCM \uc6d0\ub9ac<\/h2>\n

QCM \uc13c\uc11c\ub294 \uc11d\uc601 \uacb0\uc815\uc758 \uc804\uae30\uc801 \ud2b9\uc131\uc744 \ud65c\uc6a9\ud569\ub2c8\ub2e4. \uc11d\uc601 \uacb0\uc815\uc740 \uc555\uc804 \ud6a8\uacfc(piezoelectric effect)\ub97c \ub098\ud0c0\ub0b4\uba70, \uc804\uae30\uc7a5\uc774 \uac00\ud574\uc9c0\uba74 \uc9c4\ub3d9\ud558\ub294 \ud2b9\uc131\uc744 \uac00\uc9d1\ub2c8\ub2e4. \uc11d\uc601 \uacb0\uc815\uc758 \ud45c\uba74\uc5d0 \ubc14\ub974\ub294 \ubb3c\uc9c8\uc758 \ubbf8\uc138\ud55c \ubb34\uac8c \ubcc0\ud654 \ub610\ud55c \uc9c4\ub3d9\uc218\ub97c \ubcc0\ud654\uc2dc\ucf1c \uc2b5\ub3c4\uc758 \uc815\ub7c9\uc801 \uce21\uc815\uc774 \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4.<\/p>\n

QCM \uc13c\uc11c\uc758 \ud575\uc2ec\uc740 \uc11d\uc601 \ud06c\ub9ac\uc2a4\ud0c8\uc758 \uacf5\uc9c4 \uc8fc\ud30c\uc218\uc785\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c, \uc11d\uc601 \ud06c\ub9ac\uc2a4\ud0c8\uc758 \uacf5\uc9c4 \uc8fc\ud30c\uc218\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc2dd\uc5d0 \uc758\ud574 \uacb0\uc815\ub429\ub2c8\ub2e4.<\/p>\n

\\[ f = \\frac{1}{2L} \\sqrt{\\frac{E}{\\rho}} \\]<\/p>\n

\uc5ec\uae30\uc11c f<\/i>\ub294 \uc9c4\ub3d9\uc218, L<\/i>\ub294 \ud06c\ub9ac\uc2a4\ud0c8\uc758 \ub450\uaed8, E<\/i>\ub294 \ud0c4\uc131 \uacc4\uc218, \uadf8\ub9ac\uace0 \\rho<\/i>\ub294 \ubc00\ub3c4\uc785\ub2c8\ub2e4. \uc13c\uc11c\uc758 \ud45c\uba74\uc5d0 \uc2b5\uae30\uac00 \ucc28\uba74 \uadf8\uc5d0 \ub530\ub77c \uc9c8\ub7c9\ub3c4 \ubcc0\ud654\ud558\uac8c \ub418\uace0, \uc774 \ubcc0\ud654\ub294 \uc8fc\ud30c\uc218\uc758 \ubcc0\ud654\ub85c \uc989\uc2dc \ub098\ud0c0\ub098\uac8c \ub429\ub2c8\ub2e4.<\/p>\n

QCM \uc2b5\ub3c4 \uc13c\uc11c\uc758 \uad6c\uc131<\/h2>\n

QCM \uc2b5\ub3c4 \uc13c\uc11c\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uad6c\uc131\ub429\ub2c8\ub2e4:<\/p>\n

    \n
  • \uc11d\uc601 \uacb0\uc815: \ubbfc\uac10\ud55c \uc2b5\ub3c4 \uac10\uc9c0\ub97c \uc704\ud55c \ud575\uc2ec \uc694\uc18c<\/li>\n
  • \uc804\uadf9: \uc11d\uc601 \uacb0\uc815\uc5d0 \uc804\uae30\uc801 \uc2e0\ud638\ub97c \ubcf4\ub0b4\uac70\ub098 \ubc1b\ub294 \ubd80\ubd84<\/li>\n
  • \uce21\uc815\ud68c\ub85c: \uc8fc\ud30c\uc218 \ubcc0\ud654\ub97c \uce21\uc815\ud558\uace0 \uae30\ub85d\ud558\ub294 \uc804\uc790 \uc7a5\uce58<\/li>\n
  • \ud45c\uba74 \ucf54\ud305: \uc11d\uc601 \uacb0\uc815\uc758 \ud45c\uba74\uc5d0 \uc801\uc6a9\ub418\uc5b4 \uc2b5\uae30 \uac10\uc9c0\ub97c \uc6a9\uc774\ud558\uac8c \ud558\ub294 \ubb3c\uc9c8<\/li>\n<\/ul>\n

    \uc2b5\ub3c4 \uce21\uc815 \ubc0f \ud65c\uc6a9<\/h2>\n

    QCM \uc2b5\ub3c4 \uc13c\uc11c\ub294 \ub2e4\uc591\ud55c \uc2b5\ub3c4 \ubc94\uc704 \ub0b4\uc5d0\uc11c \ub9e4\uc6b0 \uc815\ud655\ud55c \uce21\uc815\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4. \uc13c\uc11c\uc758 \uc8fc\ud30c\uc218 \ubcc0\ud654\ub294 \uce21\uc815\ud68c\ub85c\ub97c \ud1b5\ud574 \uc804\uae30\uc801 \uc2e0\ud638\ub85c \ubcc0\ud658\ub418\uace0, \uc774\ub294 \ub2e4\uc2dc \uc2b5\ub3c4\ub85c \uacc4\uc0b0\ub429\ub2c8\ub2e4.<\/p>\n

    \uc774\ub7ec\ud55c \uc2b5\ub3c4 \uc13c\uc11c\ub294 \ud658\uacbd \uac10\uc2dc, \uc2dd\ud488 \ubc0f \uc81c\uc57d \uc0b0\uc5c5, \ubc18\ub3c4\uccb4 \uc81c\uc870 \uacf5\uc815 \ub4f1 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c \uc2b5\ub3c4 \uc870\uc808\uc774 \uc911\uc694\ud55c \ubd80\ubd84\uc5d0\uc11c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc815\ubc00 \uae30\uae30\uc758 \uc131\ub2a5\uc744 \uc720\uc9c0\ud558\uac70\ub098, \uc2dd\ud488\uc758 \uc2e0\uc120\ub3c4\ub97c \uc9c0\ud0a4\uac70\ub098, \uc81c\uc57d \uc81c\ud488\uc758 \ud488\uc9c8 \uad00\ub9ac\uc5d0 \ud65c\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n

    \uc774\ucc98\ub7fc \uc11d\uc601 \ud06c\ub9ac\uc2a4\ud0c8 \ub9c8\uc774\ud06c\ub85c \ubc38\ub7f0\uc2a4(QCM) \uc2b5\ub3c4 \uc13c\uc11c\ub294 \uadf8 \uc815\ubc00\ud568\uacfc \ub192\uc740 \uac10\ub3c4\ub85c \uc778\ud574 \uacfc\ud559 \ubc0f \uc0b0\uc5c5 \ubd84\uc57c\uc5d0\uc11c \ub9e4\uc6b0 \uc911\uc694\ud55c \uc7a5\ube44\ub85c \ud3c9\uac00\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uae30\uc220\uc774 \ubc1c\uc804\ud568\uc5d0 \ub530\ub77c \uc774\ub7ec\ud55c \uc13c\uc11c\ub4e4\uc758 \uc131\ub2a5\uc740 \ub354\uc6b1 \ud5a5\uc0c1\ub420 \uac83\uc73c\ub85c \uae30\ub300\ub418\uba70, \ub354 \ub113\uc740 \uc601\uc5ed\uc5d0\uc11c\uc758 \uc0ac\uc6a9\uc774 \uac00\ub2a5\ud574\uc9c8 \uac83\uc785\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"

    \uc11d\uc601 \ud06c\ub9ac\uc2a4\ud0c8 \ub9c8\uc774\ud06c\ub85c \ubc38\ub7f0\uc2a4(QCM) \uc2b5\ub3c4 \uc13c\uc11c\uc5d0 \uad00\ud55c \uc124\uba85\uacfc \uc6d0\ub9ac, \uad6c\uc131 \uc694\uc18c, \uadf8\ub9ac\uace0 \uc0b0\uc5c5 \ubc0f \uacfc\ud559 \ubd84\uc57c\uc5d0\uc11c\uc758 \ub2e4\uc591\ud55c \ud65c\uc6a9 \uc0ac\ub840\ub97c \uc18c\uac1c\ud569\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":175355,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[88],"tags":[89],"class_list":["post-147283","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\uc11d\uc601 \ud06c\ub9ac\uc2a4\ud0c8 \ub9c8\uc774\ud06c\ub85c \ubc38\ub7f0\uc2a4 (QCM) \uc2b5\ub3c4 \uc13c\uc11c | \uc791\ub3d9 \ubc29\uc2dd, \uc751\uc6a9 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