{"id":143272,"date":"2024-01-14T13:22:10","date_gmt":"2024-01-14T13:22:10","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%ec%a0%84%ec%9e%90%ea%b8%b0%ed%8c%8c%ec%9d%98-%ec%97%90%eb%84%88%ec%a7%80%ec%99%80-%ec%a0%84%eb%a0%a5-%ec%a0%84%ea%b8%b0-%ec%9e%90%ea%b8%b0\/"},"modified":"2024-02-21T18:15:33","modified_gmt":"2024-02-21T18:15:33","slug":"%ec%a0%84%ec%9e%90%ea%b8%b0%ed%8c%8c%ec%9d%98-%ec%97%90%eb%84%88%ec%a7%80%ec%99%80-%ec%a0%84%eb%a0%a5-%ec%a0%84%ea%b8%b0-%ec%9e%90%ea%b8%b0","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ec%a0%84%ec%9e%90%ea%b8%b0%ed%8c%8c%ec%9d%98-%ec%97%90%eb%84%88%ec%a7%80%ec%99%80-%ec%a0%84%eb%a0%a5-%ec%a0%84%ea%b8%b0-%ec%9e%90%ea%b8%b0\/","title":{"rendered":"\uc804\uc790\uae30\ud30c\uc758 \uc5d0\ub108\uc9c0\uc640 \uc804\ub825 | \uc804\uae30 – \uc790\uae30"},"content":{"rendered":"

\uc804\uc790\uae30\ud30c\uc5d0\uc11c\uc758 \uc5d0\ub108\uc9c0\uc640 \ud30c\uc6cc<\/h2>\n

\uc804\uc790\uae30\ud30c\ub294 \uc6b0\uc8fc \uacf5\uac04\uc774\ub098 \ub9e4\uc9c8\uc744 \ud1b5\ud574 \uc804\ud30c\ub418\uba74\uc11c \uc5d0\ub108\uc9c0\ub97c \uc6b4\ubc18\ud558\uba70, \uc774\ub7ec\ud55c \uc5d0\ub108\uc9c0\ub294 \uc804\uc790\uae30\ud30c\uac00 \ud761\uc218, \ubc18\uc0ac, \ub610\ub294 \uc804\uc1a1\ub420 \ub54c \ubb3c\uc9c8\uacfc \uc0c1\ud638\uc791\uc6a9\ud558\uba70 \uc804\ub2ec\ub429\ub2c8\ub2e4.<\/p>\n

\uc804\uc790\uae30\ud30c\uc758 \uc5d0\ub108\uc9c0<\/h3>\n

\uc804\uc790\uae30\ud30c\uc758 \uc5d0\ub108\uc9c0\ub294 \uc804\uae30\uc7a5(E-field)\uacfc \uc790\uae30\uc7a5(H-field) \uc591\ucabd\uc5d0 \uc800\uc7a5\ub429\ub2c8\ub2e4. \ud2b9\uc815 \uacf5\uac04 \uc9c0\uc810\uc5d0\uc11c\uc758 \uc5d0\ub108\uc9c0 \ubc00\ub3c4(u)\ub294 \uc804\uae30\uc7a5\uacfc \uc790\uae30\uc7a5\uc758 \uc5d0\ub108\uc9c0 \ubc00\ub3c4\uc758 \ud569\uc73c\ub85c \ud45c\ud604\ub429\ub2c8\ub2e4:<\/p>\n

u<\/u> = (1\/2)\u03b5E2<\/sup> + (1\/2)(1\/\u03bc)H2<\/sup><\/p>\n

\uc5ec\uae30\uc11c \u03b5\ub294 \ub9e4\uc9c8\uc758 \uc720\uc804\uc728, \u03bc\ub294 \ub9e4\uc9c8\uc758 \ud22c\uc790\uc728\uc774\uba70, E\uc640 H\ub294 \uac01\uac01 \uc804\uae30\uc7a5\uacfc \uc790\uae30\uc7a5\uc758 \ud06c\uae30\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ud2b9\uc815 \uccb4\uc801\uc5d0 \uac78\uce5c \uc804\uc790\uae30\ud30c\uc758 \ucd1d \uc5d0\ub108\uc9c0\ub294 \uc774 \uc5d0\ub108\uc9c0 \ubc00\ub3c4\ub97c \uadf8 \uccb4\uc801\uc5d0 \ub300\ud574 \uc801\ubd84\ud568\uc73c\ub85c\uc368 \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc804\uc790\uae30\ud30c\uc758 \ud30c\uc6cc<\/h3>\n

\ud30c\uc6cc\ub294 \uc804\uc790\uae30\ud30c\uc5d0 \uc758\ud574 \uc5d0\ub108\uc9c0\uac00 \uc804\ub2ec\ub418\ub294 \ube44\uc728\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc804\uc790\uae30\ud30c\uc758 \ub2e8\uc704 \uba74\uc801\ub2f9 \ud30c\uc6cc, \ub610\ub294 \uac15\ub3c4(I)\ub294 \ud3ec\uc778\ud305 \ubca1\ud130(S)\uc758 \ud06c\uae30\uc5d0 \uc758\ud574 \uc8fc\uc5b4\uc9d1\ub2c8\ub2e4. \uc774\ub294 \uc5d0\ub108\uc9c0 \ud750\ub984\uc758 \ubc29\ud5a5\uacfc \ud06c\uae30\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4:<\/p>\n

S = E \u00d7 H
\nI = |S|<\/p>\n

\ud3ec\uc778\ud305 \ubca1\ud130\ub294 \uc804\uae30\uc7a5\uacfc \uc790\uae30\uc7a5\uc758 \ubca1\ud130\uacf1\uc774\uba70, \uadf8 \ubc29\ud5a5\uc740 E\uc640 H \ubaa8\ub450\uc5d0 \uc218\uc9c1\ud558\uba70 \uc5d0\ub108\uc9c0 \uc804\ud30c \ubc29\ud5a5\uc744 \uac00\ub9ac\ud0b5\ub2c8\ub2e4. \uc9c4\uacf5\uc774\ub098 \uc790\uc720 \uacf5\uac04\uc5d0\uc11c\ub294 \uc804\uc790\uae30\ud30c\uc758 \uac15\ub3c4\ub97c \uc804\uae30\uc7a5\uc744 \uc774\uc6a9\ud558\uc5ec \ud45c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n

I = (1\/2)\u03b5cE2<\/sup><\/p>\n

\uc5ec\uae30\uc11c c\ub294 \uc9c4\uacf5\uc5d0\uc11c\uc758 \ube5b\uc758 \uc18d\ub3c4\uc785\ub2c8\ub2e4. \uc8fc\uc5b4\uc9c4 \uba74\uc801\uc744 \ud1b5\uacfc\ud558\ub294 \uc804\uc790\uae30\ud30c\uc758 \ucd1d \ud30c\uc6cc\ub294 \uadf8 \uba74\uc801\uc5d0 \ub300\ud574 \uac15\ub3c4\ub97c \uc801\ubd84\ud568\uc73c\ub85c\uc368 \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc774\ub7ec\ud55c \uac1c\ub150\ub4e4\uc740 \uc548\ud14c\ub098 \uc124\uacc4, \ubb34\uc120 \ud1b5\uc2e0, \ub808\uc774\ub354 \uc2dc\uc2a4\ud15c, \uc5d0\ub108\uc9c0 \uc218\ud655\uacfc \uac19\uc740 \ub2e4\uc591\ud55c \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubd84\uc57c\uc5d0\uc11c \uc804\uc790\uae30\ud30c\uc758 \uc5d0\ub108\uc9c0\uc640 \ud30c\uc6cc\ub294 \uc2dc\uc2a4\ud15c\uc758 \uc131\ub2a5\uacfc \ud6a8\uc728\uc131\uc5d0 \uacb0\uc815\uc801\uc778 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/p>\n

\ub2e4\uc74c \uae30\uc0ac<\/h2>\n

\"Energy<\/p>\n

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

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

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