{"id":143168,"date":"2024-01-14T13:20:08","date_gmt":"2024-01-14T13:20:08","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%ec%9e%90%ec%86%8d-%ec%86%8d%ec%84%b1-%eb%b0%8f-%ea%b3%84%ec%82%b0\/"},"modified":"2024-02-21T17:58:52","modified_gmt":"2024-02-21T17:58:52","slug":"%ec%9e%90%ec%86%8d-%ec%86%8d%ec%84%b1-%eb%b0%8f-%ea%b3%84%ec%82%b0","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ec%9e%90%ec%86%8d-%ec%86%8d%ec%84%b1-%eb%b0%8f-%ea%b3%84%ec%82%b0\/","title":{"rendered":"\uc790\uc18d | \uc18d\uc131 \ubc0f \uacc4\uc0b0"},"content":{"rendered":"

\uc790\uae30 \ud50c\ub7ed\uc2a4\ub780 \ubb34\uc5c7\uc778\uac00?<\/h2>\n

\uc790\uae30 \ud50c\ub7ed\uc2a4\ub294 \uc804\uc790\uae30\ud559\uc5d0\uc11c \uae30\ubcf8\uc801\uc778 \uac1c\ub150\uc73c\ub85c, \uc8fc\uc5b4\uc9c4 \uba74\uc801\uc744 \ud1b5\uacfc\ud558\ub294 \ucd1d \uc790\uae30\uc7a5\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc774\ub294 \uc790\uae30\uc7a5\uc758 \uac15\ub3c4\uc640 \uba74\uc5d0 \ub300\ud55c \uc790\uae30\uc7a5 \uc120\uc758 \ubc29\ud5a5\uc744 \ubaa8\ub450 \uace0\ub824\ud569\ub2c8\ub2e4. \uc2a4\uce7c\ub77c \uc591\uc73c\ub85c, \uc790\uae30\uc7a5\uc774 \ud45c\uba74\uc774\ub098 \ub2eb\ud78c \ub8e8\ud504(\uc608: \uc804\uc790\uae30 \uc720\ub3c4\uc5d0\uc11c\uc758 \ucca0\uc0ac \ucf54\uc77c)\uc5d0 \ubbf8\uce58\ub294 \uc804\ubc18\uc801\uc778 \ud6a8\uacfc\ub97c \uc124\uba85\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. \uc218\ud559\uc801\uc73c\ub85c, \uc790\uae30 \ud50c\ub7ed\uc2a4(\u03a6)\ub294 \uba74\uc801(A)\uc5d0 \ub300\ud55c \uc790\uae30\uc7a5(B)\uc758 \ud45c\uba74\uc801\ubd84\uc73c\ub85c \uc815\uc758\ub429\ub2c8\ub2e4.<\/p>\n

\uc790\uae30 \ud50c\ub7ed\uc2a4\uc758 \uacf5\uc2dd<\/h3>\n

\uc790\uae30 \ud50c\ub7ed\uc2a4\uc758 \uacf5\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n

\u03a6 = \u222b\u222b B \u2022 dA<\/p>\n

\uc5ec\uae30\uc11c:<\/p>\n

\u03a6\ub294 \uc790\uae30 \ud50c\ub7ed\uc2a4(\uc6e8\ubc84, Wb\ub85c \uce21\uc815)
\nB\ub294 \uc790\uae30\uc7a5 \ubca1\ud130(\ud14c\uc2ac\ub77c, T\ub85c \uce21\uc815)
\ndA\ub294 \uba74\uc801 \ubca1\ud130(\uc81c\uacf1\ubbf8\ud130, m\u00b2\ub85c \uce21\uc815)
\n\u2022\ub294 \uc810\uacf1\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.
\n\uc774 \ubc29\uc815\uc2dd\uc5d0\uc11c \uc810\uacf1\uc740 \ud45c\uba74\uc5d0 \uc218\uc9c1\uc778 \uc790\uae30\uc7a5\uc758 \uc131\ubd84\ub9cc\uc774 \uc790\uae30 \ud50c\ub7ed\uc2a4\uc5d0 \uae30\uc5ec\ud55c\ub2e4\ub294 \uac83\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \uc790\uae30\uc7a5\uc774 \uade0\uc77c\ud558\uace0 \ud45c\uba74\uc5d0 \uc218\uc9c1\uc778 \uacbd\uc6b0, \ubc29\uc815\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \ub2e8\uc21c\ud654\ub429\ub2c8\ub2e4:<\/p>\n

\u03a6 = B * A<\/p>\n

\uc5ec\uae30\uc11c:<\/p>\n

A\ub294 \ud45c\uba74\uc758 \uba74\uc801\uc785\ub2c8\ub2e4.<\/p>\n

\uc790\uae30 \ud50c\ub7ed\uc2a4\uc758 \uc911\uc694\uc131<\/h3>\n

\uc790\uae30 \ud50c\ub7ed\uc2a4\ub294 \uc804\uc790\uae30 \uc720\ub3c4\ub97c \uc774\ud574\ud558\ub294 \ub370 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc774\ub294 \ud328\ub7ec\ub370\uc774\uc758 \uc804\uc790\uae30 \uc720\ub3c4 \ubc95\uce59\uc5d0 \uc758\ud574 \uc124\uba85\ub429\ub2c8\ub2e4. \uc774 \ubc95\uce59\uc740 \ub2eb\ud78c \ub8e8\ud504\uc5d0\uc11c \uc720\ub3c4\ub41c \uc804\uae30\uae30\uc804\ub825(EMF)\uc774 \ub8e8\ud504\ub97c \ud1b5\ud55c \uc790\uae30 \ud50c\ub7ed\uc2a4\uc758 \ubcc0\ud654\uc728\uc5d0 \ube44\ub840\ud55c\ub2e4\uace0 \ub9d0\ud569\ub2c8\ub2e4. \uc989, \ubcc0\ud654\ud558\ub294 \uc790\uae30\uc7a5\uc740 \ub3c4\uccb4\uc5d0\uc11c \uc804\uae30 \uc804\ub958\ub97c \ubc1c\uc0dd\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc790\uae30\uc7a5\uc758 \uacc4\uc0b0<\/h3>\n

\uc790\uae30\uc7a5\uc744 \uacc4\uc0b0\ud558\uae30 \uc704\ud574 \uc5ec\ub7ec \ubc95\uce59\uacfc \ubc29\uc815\uc2dd\uc774 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774\ub294 \ud2b9\uc815 \uc0c1\ud669\uacfc \uc790\uae30\uc7a5\uc758 \ucd9c\ucc98\uc5d0 \ub530\ub77c \ub2e4\ub985\ub2c8\ub2e4. \uac00\uc7a5 \uc911\uc694\ud55c \ubc95\uce59\uacfc \ubc29\uc815\uc2dd\uc5d0\ub294 \ub2e4\uc74c\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4:<\/p>\n

\ube44\uc624-\uc0ac\ubc14\ub974 \ubc95\uce59<\/h4>\n

\uc774 \ubc95\uce59\uc740 \uc804\ub958\ub97c \ud758\ub9ac\ub294 \uc791\uc740 \uc120\ubd84(Idl)\uc5d0 \uc758\ud574 \uc0dd\uc131\ub41c \uc790\uae30\uc7a5(B)\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4. \ube44\uc624-\uc0ac\ubc14\ub974 \ubc95\uce59\uc740 \ud2b9\ud788 \uc640\uc774\uc5b4 \ub8e8\ud504\uc640 \ucf54\uc77c \uc8fc\ubcc0\uc758 \uc790\uae30\uc7a5\uc744 \uacc4\uc0b0\ud558\ub294 \ub370 \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n

B = (\u03bc\u2080 \/ 4\u03c0) * \u222b(Idl \u00d7 r) \/ r\u00b3<\/p>\n

\uc5ec\uae30\uc11c:<\/p>\n

B\ub294 \uc790\uae30\uc7a5 \ubca1\ud130(\ud14c\uc2ac\ub77c, T)
\n\u03bc\u2080\ub294 \uc790\uc720 \uacf5\uac04\uc758 \ud22c\uc790\uc728(4\u03c0 \u00d7 10\u207b\u2077 Tm\/A)
\nI\ub294 \uc804\ub958(\uc554\ud398\uc5b4, A)
\ndl\ub294 \uc640\uc774\uc5b4\uc758 \ubbf8\uc18c\uae38\uc774 \ubca1\ud130(\ubbf8\ud130, m)
\nr\uc740 \uc640\uc774\uc5b4\uc5d0\uc11c \uc790\uae30\uc7a5\uc774 \uacc4\uc0b0\ub418\ub294 \uc9c0\uc810\uae4c\uc9c0\uc758 \uc704\uce58 \ubca1\ud130(\ubbf8\ud130, m)
\n\u00d7\ub294 \ubca1\ud130\uacf1\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.
\n\u222b\ub294 \uc640\uc774\uc5b4 \uae38\uc774\uc5d0 \ub300\ud55c \uc801\ubd84\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n

\uc559\ud398\ub974 \ubc95\uce59<\/h4>\n

\uc559\ud398\ub974 \ubc95\uce59\uc740 \ub2eb\ud78c \ub8e8\ud504\ub97c \ub530\ub77c \uc790\uae30\uc7a5(B)\uc758 \uc21c\ud658\uacfc \ub8e8\ud504\ub97c \ud1b5\uacfc\ud558\ub294 \uc21c \uc804\ub958(I) \uc0ac\uc774\uc758 \uad00\uacc4\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc774\ub294 \uc9c1\uc120 \ub3c4\uccb4, \uc194\ub808\ub178\uc774\ub4dc, \ud1a0\ub85c\uc774\ub4dc\uc640 \uac19\uc740 \uace0\ub300\uce6d \uc0c1\ud669\uc5d0\uc11c \uc790\uae30\uc7a5\uc744 \uacc4\uc0b0\ud558\ub294 \ub370 \ud2b9\ud788 \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n

\u222e B \u2022 dl = \u03bc\u2080 * I_enclosed<\/p>\n

\uc5ec\uae30\uc11c:<\/p>\n

B\ub294 \uc790\uae30\uc7a5 \ubca1\ud130(\ud14c\uc2ac\ub77c, T)
\ndl\uc740 \ub2eb\ud78c \ub8e8\ud504\ub97c \ub530\ub77c \ubbf8\uc18c\uae38\uc774 \ubca1\ud130(\ubbf8\ud130, m)
\n\u03bc\u2080\ub294 \uc790\uc720 \uacf5\uac04\uc758 \ud22c\uc790\uc728(4\u03c0 \u00d7 10\u207b\u2077 Tm\/A)
\nI_enclosed\ub294 \ub8e8\ud504\ub97c \ud1b5\uacfc\ud558\ub294 \uc21c \uc804\ub958(\uc554\ud398\uc5b4, A)
\n\u222e\ub294 \ub2eb\ud78c \ub8e8\ud504\ub97c \ub530\ub77c \uc120\uc801\ubd84\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.
\n\u2022\ub294 \uc810\uacf1\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n

\uc790\uae30\uc5d0 \ub300\ud55c \uac00\uc6b0\uc2a4 \ubc95\uce59<\/h4>\n

\uc790\uae30\uc5d0 \ub300\ud55c \uac00\uc6b0\uc2a4 \ubc95\uce59\uc740 \ub2eb\ud78c \uba74\uc744 \ud1b5\ud55c \uc21c \uc790\uae30 \ud50c\ub7ed\uc2a4\uac00 \ud56d\uc0c1 \uc81c\ub85c\uc784\uc744 \uba85\uc2dc\ud569\ub2c8\ub2e4. \uc774\ub294 \uc790\uae30\uc7a5\uc774 \uc30d\uadf9\uc790(\uc989, \ubd81\uadf9\uacfc \ub0a8\uadf9\uc774 \ubaa8\ub450 \uc788\ub294)\uc5d0 \uc758\ud574 \uc0dd\uc131\ub418\uba70, \uc790\uae30\uc7a5 \uc120\uc740 \ud56d\uc0c1 \ub2eb\ud78c \ub8e8\ud504\ub97c \ud615\uc131\ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n

\u222e B \u2022 dA = 0<\/p>\n

\uc5ec\uae30\uc11c:<\/p>\n

B\ub294 \uc790\uae30\uc7a5 \ubca1\ud130(\ud14c\uc2ac\ub77c, T)
\ndA\ub294 \ub2eb\ud78c \uba74\uc5d0\uc11c\uc758 \ubbf8\uc18c\uba74\uc801 \ubca1\ud130(\uc81c\uacf1\ubbf8\ud130, m\u00b2)
\n\u222e\ub294 \ub2eb\ud78c \uba74\uc744 \ub530\ub77c \uba74\uc801\ubd84\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.
\n\u2022\ub294 \uc810\uacf1\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.
\n\uc774 \ubc95\uce59\ub4e4\uacfc \ubc29\uc815\uc2dd\uc740 \ud2b9\uc815 \uc790\uae30 \uc7ac\ub8cc\uc758 \ud2b9\uc131\uacfc \uacb0\ud569\ud558\uc5ec \ub2e4\uc591\ud55c \uc2dc\ub098\ub9ac\uc624\uc5d0\uc11c \uc790\uae30\uc7a5\uc744 \uacc4\uc0b0\ud558\ub294 \ub370 \uc0ac\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ub354 \ubcf5\uc7a1\ud55c \uc0c1\ud669\uc5d0\uc11c\ub294 \uc815\ud655\ud55c \uacb0\uacfc\ub97c \uc5bb\uae30 \uc704\ud574 \uc218\uce58 \ubc29\ubc95\uc774\ub098 \uc804\ubb38 \uc18c\ud504\ud2b8\uc6e8\uc5b4\uac00 \ud544\uc694\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\"Magnetic<\/p>\n

\n Original Article<\/a>\n<\/div>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

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