{"id":143145,"date":"2024-01-14T13:19:23","date_gmt":"2024-01-14T13:19:23","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%ec%9e%90%ea%b8%b0%ec%9e%a5%ec%9d%84-%ea%b3%84%ec%82%b0%ed%95%98%eb%8a%94-%eb%b0%a9%eb%b2%95%ec%9d%80-%eb%ac%b4%ec%97%87%ec%9e%85%eb%8b%88%ea%b9%8c-%eb%b0%a9%ec%a0%95%ec%8b%9d%ea%b3%bc-%eb%b2%95\/"},"modified":"2024-02-21T17:56:24","modified_gmt":"2024-02-21T17:56:24","slug":"%ec%9e%90%ea%b8%b0%ec%9e%a5%ec%9d%84-%ea%b3%84%ec%82%b0%ed%95%98%eb%8a%94-%eb%b0%a9%eb%b2%95%ec%9d%80-%eb%ac%b4%ec%97%87%ec%9e%85%eb%8b%88%ea%b9%8c-%eb%b0%a9%ec%a0%95%ec%8b%9d%ea%b3%bc-%eb%b2%95","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ec%9e%90%ea%b8%b0%ec%9e%a5%ec%9d%84-%ea%b3%84%ec%82%b0%ed%95%98%eb%8a%94-%eb%b0%a9%eb%b2%95%ec%9d%80-%eb%ac%b4%ec%97%87%ec%9e%85%eb%8b%88%ea%b9%8c-%eb%b0%a9%ec%a0%95%ec%8b%9d%ea%b3%bc-%eb%b2%95\/","title":{"rendered":"\uc790\uae30\uc7a5\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c? | \ubc29\uc815\uc2dd\uacfc \ubc95\uce59"},"content":{"rendered":"

\uc790\uae30\uc7a5 \uacc4\uc0b0 \ubc29\ubc95<\/h2>\n

\uc790\uae30\uc7a5\uc740 \uc804\uae30 \uc804\ub958\uc640 \uc790\uae30 \ubb3c\uc9c8\uc758 \uc790\uae30\uc801 \uc601\ud5a5\uc744 \ub098\ud0c0\ub0b4\ub294 \ubca1\ud130 \ud544\ub4dc\uc785\ub2c8\ub2e4. \uc774\ub294 \ubcf4\uc774\uc9c0 \uc54a\ub294 \ud798\uc73c\ub85c, \uc790\uc11d\uacfc \uc804\uae30 \uc804\ub958 \uc8fc\ubcc0\uc5d0 \uc874\uc7ac\ud558\uba70 \ub2e4\ub978 \uc790\uae30 \ubb3c\uc9c8\uacfc \uc6c0\uc9c1\uc774\ub294 \uc804\ud558\uc5d0 \ud798\uc744 \ubc1c\ud718\ud569\ub2c8\ub2e4. \uc790\uae30\uc7a5\uc740 \ubcf4\ud1b5 B\ub77c\ub294 \uae30\ud638\ub85c \ud45c\uc2dc\ub418\uba70, \ub2e8\uc704\ub294 \ud14c\uc2ac\ub77c(T) \ub610\ub294 \uac00\uc6b0\uc2a4(G)\ub85c \uce21\uc815\ub429\ub2c8\ub2e4. \uc5ec\uae30\uc11c 1 T\ub294 10,000 G\uc640 \uac19\uc2b5\ub2c8\ub2e4. \uc790\uae30\uc7a5\uc740 \uc774\ub3d9\ud558\ub294 \uc804\uae30 \uc804\ud558(\uc804\ub958)\uc640 \uc77c\ubd80 \ubb3c\uc9c8\uc758 \uace0\uc720 \uc790\uae30 \ud2b9\uc131(\uc608: \ucca0, \ucf54\ubc1c\ud2b8, \ub2c8\ucf08\uacfc \uac19\uc740 \uac15\uc790\uc131 \ubb3c\uc9c8)\uc5d0 \uc758\ud574 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc790\uae30\uc7a5\uc758 \ud589\ub3d9\uc740 \ub9e5\uc2a4\uc6f0 \ubc29\uc815\uc2dd\uc774\ub77c\ub294 \uc77c\ub828\uc758 \uc218\ud559\uc801 \ubc29\uc815\uc2dd\uc5d0 \uc758\ud574 \uc124\uba85\ub418\uba70, \uc774\ub294 \uc804\uae30\uc7a5\ub3c4 \ud3ec\ud568\ud569\ub2c8\ub2e4.<\/p>\n

\uc790\uae30\uc7a5\uc758 \uc911\uc694\uc131\uacfc \uc601\ud5a5<\/h2>\n

\uc790\uae30\uc7a5\uc740 \uc9c0\uad6c\uc758 \uc790\uae30\uc7a5(\uc9c0\uad6c\uc790\uae30)\uc73c\ub85c\ubd80\ud130 \ud0dc\uc591 \ubcf5\uc0ac\ub85c\ubd80\ud130 \uc9c0\uad6c\ub97c \ubcf4\ud638\ud558\ub294 \ub4f1 \ub2e4\uc591\ud55c \uc790\uc5f0 \ud604\uc0c1 \ubc0f \uae30\uc220 \ud604\uc0c1\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ub610\ud55c \uc804\uae30 \ubaa8\ud130, \ubc1c\uc804\uae30, \ubcc0\uc555\uae30\uc758 \uc791\ub3d9, \ud558\ub4dc \ub4dc\ub77c\uc774\ube0c\uc640 \uac19\uc740 \ub370\uc774\ud130 \uc800\uc7a5 \uc7a5\uce58\uc5d0\ub3c4 \uc911\uc694\ud569\ub2c8\ub2e4. \ud22c\uc790\uc728\uc740 \ubb3c\uc9c8\uc774 \uc790\uae30\uc7a5\uc744 \uc9c0\uc6d0\ud558\ub294 \ub2a5\ub825\uc744 \uc815\ub7c9\ud654\ud558\ub294 \ubb3c\uc131\uc785\ub2c8\ub2e4. \ub192\uc740 \ud22c\uc790\uc728\uc744 \uac00\uc9c4 \ubb3c\uc9c8, \uc608\ub97c \ub4e4\uc5b4 \ucca0\uc740 \uc790\uae30\uc7a5\uc744 \uc9d1\uc911\uc2dc\ud0a4\ub294 \ubc18\uba74, \ub0ae\uc740 \ud22c\uc790\uc728\uc744 \uac00\uc9c4 \ubb3c\uc9c8, \uc608\ub97c \ub4e4\uc5b4 \uacf5\uae30\ub294 \uc790\uae30\uc7a5\uc744 \uc57d\ud558\uac8c \uc9c0\uc6d0\ud569\ub2c8\ub2e4. \ud22c\uc790\uc728\uc740 \uc790\uae30 \uc720\ub3c4\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\uba70 \uc790\uae30 \ud68c\ub85c, \ubcc0\uc555\uae30, \uc804\uc790\uc11d \uc124\uacc4\uc5d0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n

\uc790\uae30\uc7a5 \uacc4\uc0b0\uc744 \uc704\ud55c \ubc29\uc815\uc2dd\uacfc \ubc95\uce59<\/h2>\n

\uc790\uae30\uc7a5\uc744 \ub2e4\uc591\ud55c \uc0c1\ud669\uc5d0\uc11c \uacc4\uc0b0\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub418\ub294 \uc5ec\ub7ec \uae30\ubcf8 \ubc29\uc815\uc2dd\uacfc \ubc95\uce59\ub4e4\uc774 \uc788\uc2b5\ub2c8\ub2e4.
\n\ube44\uc624-\uc0ac\ubc14\ub974 \ubc95\uce59: \uc774 \ubc95\uce59\uc740 \uacf5\uac04\uc758 \ud2b9\uc815 \uc9c0\uc810\uc5d0\uc11c \uc791\uc740 \uc804\ub958 \uc694\uc18c(Idl)\uc5d0 \uc758\ud574 \uc0dd\uc131\ub41c \uc790\uae30\uc7a5(B)\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4. \ubc29\uc815\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:
\n
B = (\u03bc0<\/sub> \/ 4\u03c0) * \u222b(Idl x r\u0302) \/ r2<\/sup>
\n
\uc5ec\uae30\uc11c \u03bc0<\/sub>\ub294 \uc790\uc720 \uacf5\uac04\uc758 \ud22c\uc790\uc728, r\u0302\ub294 \uc804\ub958 \uc694\uc18c\uc5d0\uc11c \uad00\uc2ec \uc9c0\uc810\uae4c\uc9c0 \uac00\ub9ac\ud0a4\ub294 \ub2e8\uc704 \ubca1\ud130, r\uc740 \ub450 \uc9c0\uc810 \uc0ac\uc774\uc758 \uac70\ub9ac\uc785\ub2c8\ub2e4.<\/p>\n

\uc559\ud398\ub974 \ubc95\uce59: \uc774 \ubc95\uce59\uc740 \ub2eb\ud78c \ub8e8\ud504 \uc8fc\uc704\uc758 \uc790\uae30\uc7a5(B)\uacfc \ub8e8\ud504\ub97c \ud1b5\uacfc\ud558\ub294 \ucd1d \uc804\ub958(I)\ub97c \uad00\ub828\uc9d3\uc2b5\ub2c8\ub2e4. \ubc29\uc815\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:
\n
\u222eB \u2022 dl = \u03bc0<\/sub>I
\n
\uc5ec\uae30\uc11c dl\uc740 \ub8e8\ud504\uc758 \uc791\uc740 \ubd80\ubd84\uc774\uba70, \uc801\ubd84\uc740 \uc804\uccb4 \ub2eb\ud78c \ub8e8\ud504\uc5d0 \ub300\ud574 \uc218\ud589\ub429\ub2c8\ub2e4.<\/p>\n

\uc790\uae30\uc7a5\uc5d0 \ub300\ud55c \uac00\uc6b0\uc2a4 \ubc95\uce59: \uc774 \ubc95\uce59\uc740 \ub2eb\ud78c \ud45c\uba74\uc744 \ud1b5\ud55c \uc21c \uc790\uae30 \uc720\uc18d\uc774 0\uc784\uc744 \uba85\uc2dc\ud569\ub2c8\ub2e4. \uc218\ud559\uc801\uc73c\ub85c \ub2e4\uc74c\uacfc \uac19\uc774 \ud45c\ud604\ub429\ub2c8\ub2e4:
\n
\u222eB \u2022 dA = 0
\n
\uc5ec\uae30\uc11c dA\ub294 \ub2eb\ud78c \ud45c\uba74\uc758 \uc791\uc740 \uba74\uc801 \uc694\uc18c\uc785\ub2c8\ub2e4.<\/p>\n

\ud328\ub7ec\ub370\uc774\uc758 \uc804\uc790\uae30 \uc720\ub3c4 \ubc95\uce59: \uc774 \ubc95\uce59\uc740 \uc2dc\uac04\uc5d0 \ub530\ub77c \ubcc0\ud558\ub294 \uc790\uae30\uc7a5\uc774 \ub2eb\ud78c \ub8e8\ud504\uc5d0 \uc804\uae30 \uae30\uc804\ub825(EMF)\uc744 \uc720\ub3c4\ud55c\ub2e4\uace0 \uba85\uc2dc\ud569\ub2c8\ub2e4. \ubc29\uc815\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:
\n
EMF = -d\u03a6B<\/sub>\/dt
\n
\uc5ec\uae30\uc11c \u03a6B<\/sub>\ub294 \uc790\uae30 \uc720\uc18d\uc774\uba70, t\ub294 \uc2dc\uac04\uc785\ub2c8\ub2e4.<\/p>\n

\uc790\uae30\uc7a5 \uacc4\uc0b0\uc758 \uc2e4\uc81c \uc0ac\ub840<\/h2>\n

\uc790\uae30\uc7a5\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc740 \uc790\uae30\uc7a5\uc758 \uc6d0\ucc9c\uacfc \ud2b9\uc815 \uc2dc\ub098\ub9ac\uc624\uc5d0 \ub530\ub77c \ub2e4\ub985\ub2c8\ub2e4. \uba87 \uac00\uc9c0 \uc77c\ubc18\uc801\uc778 \uacbd\uc6b0\uc640 \uadf8\ub4e4\uc744 \uacc4\uc0b0\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\ub294 \uacf5\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:
\n\uc9c1\uc120 \uc804\ub958\uac00 \ud750\ub974\ub294 \uc640\uc774\uc5b4\ub85c \uc778\ud55c \uc790\uae30\uc7a5:
\n
B = (\u03bc0<\/sub> * I) \/ (2 * \u03c0 * r)
\n
\uc5ec\uae30\uc11c B\ub294 \uc790\uae30\uc7a5, \u03bc0<\/sub>\ub294 \uc790\uc720 \uacf5\uac04\uc758 \ud22c\uc790\uc728(\uc57d 4\u03c0 \u00d7 10-7<\/sup> T\u00b7m\/A), I\ub294 \uc640\uc774\uc5b4\ub97c \ud1b5\ud574 \ud750\ub974\ub294 \uc804\ub958(\uc554\ud398\uc5b4 \ub2e8\uc704), r\uc740 \uc640\uc774\uc5b4\ub85c\ubd80\ud130\uc758 \uac70\ub9ac(\ubbf8\ud130 \ub2e8\uc704)\uc785\ub2c8\ub2e4.<\/p>\n

\uc6d0\ud615 \uc804\ub958\uac00 \ud750\ub974\ub294 \ub8e8\ud504\uc758 \uc911\uc2ec\uc5d0\uc11c\uc758 \uc790\uae30\uc7a5:
\n
B = (\u03bc0<\/sub> * I) \/ (2 * R)
\n
\uc5ec\uae30\uc11c B\ub294 \uc790\uae30\uc7a5, \u03bc0<\/sub>\ub294 \uc790\uc720 \uacf5\uac04\uc758 \ud22c\uc790\uc728, I\ub294 \ub8e8\ud504\ub97c \ud1b5\ud574 \ud750\ub974\ub294 \uc804\ub958(\uc554\ud398\uc5b4 \ub2e8\uc704), R\uc740 \ub8e8\ud504\uc758 \ubc18\uc9c0\ub984(\ubbf8\ud130 \ub2e8\uc704)\uc785\ub2c8\ub2e4.<\/p>\n

\uc194\ub808\ub178\uc774\ub4dc(\uc640\uc774\uc5b4 \ucf54\uc77c)\uc5d0 \uc758\ud55c \uc790\uae30\uc7a5:
\n
B = \u03bc0<\/sub> * n * I
\n
\uc5ec\uae30\uc11c B\ub294 \uc790\uae30\uc7a5, \u03bc0<\/sub>\ub294 \uc790\uc720 \uacf5\uac04\uc758 \ud22c\uc790\uc728, n\uc740 \uc640\uc774\uc5b4\uc758 \ub2e8\uc704 \uae38\uc774\ub2f9 \uad8c\uc120 \uc218(\ubbf8\ud130\ub2f9 \uad8c\uc120 \uc218), I\ub294 \uc194\ub808\ub178\uc774\ub4dc\ub97c \ud1b5\ud574 \ud750\ub974\ub294 \uc804\ub958(\uc554\ud398\uc5b4 \ub2e8\uc704)\uc785\ub2c8\ub2e4.<\/p>\n

\uc774\ub7ec\ud55c \uacf5\uc2dd\ub4e4\uc740 \uc804\ub958\uc640 \uadf8\ub4e4\uc774 \uc0dd\uc131\ud558\ub294 \uc790\uae30\uc7a5 \uc0ac\uc774\uc758 \uad00\uacc4\ub97c \uc124\uba85\ud558\ub294 \uc559\ud398\ub974 \ubc95\uce59\uacfc \ube44\uc624-\uc0ac\ubc14\ub974 \ubc95\uce59\uc5d0\uc11c \uc720\ub3c4\ub429\ub2c8\ub2e4.<\/p>\n

\"How<\/p>\n

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

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

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