{"id":148486,"date":"2024-04-27T16:35:08","date_gmt":"2024-04-27T16:35:08","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%ec%95%95%ec%a0%84-%ec%86%8c%ec%9e%90\/"},"modified":"2024-04-27T16:35:15","modified_gmt":"2024-04-27T16:35:15","slug":"%ec%95%95%ec%a0%84-%ec%86%8c%ec%9e%90","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ec%95%95%ec%a0%84-%ec%86%8c%ec%9e%90\/","title":{"rendered":"\uc555\uc804 \uc18c\uc790"},"content":{"rendered":"<p class=\"sidekick\">\uc555\uc804 \uc18c\uc790\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uc138\uc694: \uae30\uacc4\uc801 \uc555\ub825\uc744 \uc804\uae30 \uc2e0\ud638\ub85c \ubcc0\ud658\ud558\ub294 \ubb3c\uc9c8, \uadf8 \uc791\ub3d9 \uc6d0\ub9ac, \ub2e4\uc591\ud55c \uc751\uc6a9 \ubd84\uc57c\uc640 \uae30\uc220\uc758 \ud601\uc2e0\uc5d0 \uae30\uc5ec\ud558\ub294 \ubc29\ubc95.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2024\/04\/\uc555\uc804-\uc18c\uc790.png\" alt=\"\uc555\uc804 \uc18c\uc790\"\/><\/p>\n<h2>\uc555\uc804 \uc18c\uc790\ub780?<\/h2>\n<p>\uc555\uc804 \uc18c\uc790\ub294 \uc555\uc804 \ud6a8\uacfc\ub97c \uc774\uc6a9\ud558\uc5ec \uae30\uacc4\uc801 \uc555\ub825\uc744 \uc804\uae30\uc2e0\ud638\ub85c, \ub610\ub294 \uadf8 \ubc18\ub300\ub85c \ubcc0\ud658\ud558\ub294 \ubb3c\uc9c8\uc774\ub098 \uc7a5\uce58\uc785\ub2c8\ub2e4. \uc555\uc804 \ud6a8\uacfc\ub780, \uc77c\ubd80 \uacb0\uc815\uccb4, \ud2b9\uc815 \uc885\ub958\uc758 \uc138\ub77c\ubbf9\uc2a4 \ub610\ub294 \uc0dd\uccb4 \ubd84\uc790 \ub4f1\uc5d0\uc11c \uc555\ub825\uc774 \uac00\ud574\uc9c8 \ub54c \uc804\uae30\uc801 \uadf9\uc131\uc744 \ub098\ud0c0\ub0b4\ub294 \ud604\uc0c1\uc744 \ub9d0\ud569\ub2c8\ub2e4. \uc774 \ud604\uc0c1\uc740 \uc804\uae30\uc801 \uc7a5\uc774\ub098 \uae30\uacc4\uc801 \uc751\ub825\uc5d0 \uc758\ud574 \uc7ac\ub8cc\uac00 \ubcc0\ud615\ub418\uba74\uc11c \uc804\uae30\uc7a5\uc774 \uc0dd\uae30\uac70\ub098, \ubc18\ub300\ub85c \uc804\uae30\uc7a5\uc758 \ubcc0\ud654\ub97c \uae30\uacc4\uc801\uc778 \ubcc0\ud615\uc73c\ub85c \uc804\ud658\ud558\ub294 \uc131\uc9c8\uc744 \ubcf4\uc785\ub2c8\ub2e4.<\/p>\n<h2>\uc555\uc804 \uc18c\uc790\uc758 \uc791\ub3d9 \uc6d0\ub9ac<\/h2>\n<p>\uc555\uc804 \uc18c\uc790\ub294 \uc555\uc804 \ubb3c\uc9c8\ub85c \ub9cc\ub4e4\uc5b4\uc9d1\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc555\uc804 \uc18c\uc7ac\ub294 \ube44\ub300\uce6d\uc758 \uacb0\uc815 \uad6c\uc870\ub97c \uac00\uc9c0\uace0 \uc788\uc73c\uba70, \uc774\ub85c \uc778\ud574 \uae30\uacc4\uc801\uc778 \uc555\ub825\uc774 \uac00\ud574\uc9c0\uba74 \uc804\ud558 \ubd84\ud3ec\uac00 \ubd88\uade0\ud615\uc744 \uc774\ub8e8\uc5b4 \uc804\uae30\uc7a5\uc744 \ubc1c\uc0dd\uc2dc\ud0b5\ub2c8\ub2e4. \uc774\ub97c <strong>\uc9c1\uc811 \uc555\uc804 \ud6a8\uacfc<\/strong>\ub77c\uace0 \ud558\uba70, \uadf8 \ubc18\ub300\ub85c \uc804\uae30\uc7a5\uc744 \uac00\ud558\uba74 \uc7ac\ub8cc\uac00 \ud33d\ucc3d\ud558\uac70\ub098 \uc218\ucd95\ud558\uc5ec \uae30\uacc4\uc801\uc778 \uc6c0\uc9c1\uc784\uc774 \ubc1c\uc0dd\ud558\ub294 \ud604\uc0c1\uc740 <strong>\uc5ed \uc555\uc804 \ud6a8\uacfc<\/strong>\ub77c\uace0 \ud569\ub2c8\ub2e4.<\/p>\n<p>\uc218\ud559\uc801\uc73c\ub85c, \uc9c1\uc811 \uc555\uc804 \ud6a8\uacfc\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc2dd\uc73c\ub85c \ub098\ud0c0\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li><em>D = d * T<\/em><\/li>\n<\/ul>\n<p>\uc5ec\uae30\uc11c <em>D<\/em>\ub294 \uc804\uae30 \ubcc0\uc704(Electric displacement), <em>d<\/em>\ub294 \uc555\uc804 \uacc4\uc218(Piezoelectric coefficient), \uadf8\ub9ac\uace0 <em>T<\/em>\ub294 \uc751\ub825(Stress)\uc785\ub2c8\ub2e4. \uc5ec\uae30\uc11c \uc555\uc804 \uacc4\uc218\ub294 \uc555\ub825\uacfc \uc804\uae30 \ubcc0\uc704 \uc0ac\uc774\uc758 \ube44\uc728\uc744 \ub098\ud0c0\ub0b4\ub294 \uac12\uc785\ub2c8\ub2e4.<\/p>\n<p>\uc5ed \uc555\uc804 \ud6a8\uacfc\uc758 \uacbd\uc6b0\uc5d0\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \ud45c\ud604\ub429\ub2c8\ub2e4:<\/p>\n<ul>\n<li><em>S = d * E<\/em><\/li>\n<\/ul>\n<p>\uc5ec\uae30\uc11c <em>S<\/em>\ub294 \ubcc0\ud615\ub960(Strain), <em>d<\/em>\ub294 \uc555\uc804 \uacc4\uc218, \uadf8\ub9ac\uace0 <em>E<\/em>\ub294 \uc804\uae30\uc7a5(Electric field)\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n<h2>\uc555\uc804 \uc18c\uc790\uc758 \uc751\uc6a9 \ubd84\uc57c<\/h2>\n<p>\uc555\uc804 \uc18c\uc790\ub294 \uad11\ubc94\uc704\ud55c \uc751\uc6a9 \ubd84\uc57c\ub97c \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uba87 \uac00\uc9c0 \uc608\ub97c \ub4e4\uba74 \uc544\ub798\uc640 \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<ol>\n<li><strong>\uc13c\uc11c:<\/strong> \uc555\uc804 \uc18c\uc790\ub294 \uc555\ub825, \uc9c4\ub3d9, \ucda9\uaca9\uc744 \uac10\uc9c0\ud558\ub294 \uc13c\uc11c\ub85c \ud65c\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uccb4\uc911\uacc4, \uae30\uc555\uacc4 \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc561\ucd94\uc5d0\uc774\ud130:<\/strong> \uc57d\ud55c \uc804\uae30 \uc2e0\ud638\ub97c \uae30\uacc4\uc801\uc778 \ub3d9\uc791\uc73c\ub85c \ubcc0\ud658\ud558\ub294 \uc545\uae30, \uc815\ubc00\ud55c \uc704\uce58 \uacb0\uc815 \uc7a5\uce58\ub85c \uc4f0\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>\uc5d0\ub108\uc9c0 \ud558\ubca0\uc2a4\ud305:<\/strong> \uac78\uc74c\uac78\uc774\ub098 \ucc28\ub7c9\uc758 \uc9c4\ub3d9 \uac19\uc740 \uae30\uacc4\uc801 \uc6b4\ub3d9\uc5d0\ub108\uc9c0\ub97c \uc804\uae30\uc5d0\ub108\uc9c0\ub85c \ubcc0\ud658\ud558\uc5ec \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95\uc73c\ub85c \ud65c\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\uc758\ub8cc \ubd84\uc57c:<\/strong> \ucd08\uc74c\ud30c \uc9c4\ub2e8 \uc7a5\ube44\uc640 \uce58\ub8cc \uc7a5\ube44\uc5d0\uc11c \uc555\uc804 \uc18c\uc790\ub294 \ucd08\uc74c\ud30c\ub97c \uc0dd\uc131\ud558\uace0 \uac10\uc9c0\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<\/ol>\n<p>\uc555\uc804 \uc18c\uc790\ub294 \uadf8 \ud6a8\uc728\uc131\uacfc \ub2e4\uc591\ud55c \uc751\uc6a9 \uac00\ub2a5\uc131\uc73c\ub85c \uc778\ud574 \ud604\ub300 \uacfc\ud559\uacfc \uae30\uc220\uc758 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ub04a\uc784\uc5c6\uc774 \uc0c8\ub85c\uc6b4 \uc555\uc804 \uc7ac\ub8cc\uac00 \uac1c\ubc1c\ub418\uace0 \uc788\uc73c\uba70, \uc774\ub4e4\uc758 \ud2b9\uc131\uc744 \uc774\ud574\ud558\uace0 \ud65c\uc6a9\ud558\ub294 \uac83\uc740 \uacfc\ud559\uacfc \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1, \ud2b9\ud788 \ub098\ub178 \uae30\uc220 \ubc0f \uc2a4\ub9c8\ud2b8 \uc7ac\ub8cc \ubd84\uc57c\uc5d0\uc11c\uc758 \ud601\uc2e0\uc744 \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4.<\/p>\n<h2>\uacb0\ub860<\/h2>\n<p>\uc555\uc804 \uc18c\uc790\ub294 \uc804\uae30\uc640 \uae30\uacc4 \uc0ac\uc774\uc758 \uc0c1\ud638 \uc791\uc6a9\uc744 \ud1b5\ud574 \uc2e0\ud638 \ubcc0\ud658\uacfc \uc5d0\ub108\uc9c0 \ubcc0\ud658\uc744 \uac00\ub2a5\ud558\uac8c \ud558\ub294 \ub3c5\ud2b9\ud55c \ubb3c\uc9c8\uc785\ub2c8\ub2e4. \uc774\ub4e4\uc740 \uc13c\uc11c\uc5d0\uc11c \uc5d0\ub108\uc9c0 \ud558\ubca0\uc2a4\ud305\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \ub2e4\uc591\ud558\uac8c \uc0ac\uc6a9\ub418\uba70, \uc2e4\uc0dd\ud65c\uc5d0\uc11c \uc6b0\ub9ac\ub294 \uc774\ubbf8 \ub2e4\uc591\ud55c \uc555\uc804 \uc18c\uc790\ub97c \uc0ac\uc6a9\ud558\uace0 \uc788\ub294\uc9c0\uc870\ucc28 \ubaa8\ub974\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \uc555\uc804 \uc18c\uc790\ub294 \uc7ac\ub8cc \uacfc\ud559\uc758 \ubc1c\uc804\uacfc \ud568\uaed8 \uc55e\uc73c\ub85c \ub354\uc6b1 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud560 \uac83\uc73c\ub85c \uae30\ub300\ub429\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc555\uc804 \uc18c\uc790\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uc138\uc694: \uae30\uacc4\uc801 \uc555\ub825\uc744 \uc804\uae30 \uc2e0\ud638\ub85c \ubcc0\ud658\ud558\ub294 \ubb3c\uc9c8, \uadf8 \uc791\ub3d9 \uc6d0\ub9ac, \ub2e4\uc591\ud55c \uc751\uc6a9 \ubd84\uc57c\uc640 \uae30\uc220\uc758 \ud601\uc2e0\uc5d0 \uae30\uc5ec\ud558\ub294 \ubc29\ubc95.<\/p>\n","protected":false},"author":1,"featured_media":186022,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[88],"tags":[89],"class_list":["post-148486","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":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\uc555\uc804 \uc18c\uc790 | \uc791\ub3d9 \ubc29\uc2dd, \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8 \ubc0f \uc7a5\uc810<\/title>\n<meta name=\"description\" content=\"\uc555\uc804 \uc18c\uc790\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uc138\uc694: \uae30\uacc4\uc801 \uc555\ub825\uc744 \uc804\uae30 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