{"id":208718,"date":"2024-03-21T14:07:00","date_gmt":"2024-03-21T14:07:00","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%ec%a0%84%ed%95%98-%eb%a7%81%ec%9d%98-%ec%a0%84%ea%b8%b0%ec%9e%a5-%ea%b0%9c%eb%85%90-%ea%b3%84%ec%82%b0-%eb%b0%8f-%ec%9d%91%ec%9a%a9\/"},"modified":"2024-05-15T11:32:00","modified_gmt":"2024-05-15T11:32:00","slug":"%ec%a0%84%ed%95%98-%eb%a7%81%ec%9d%98-%ec%a0%84%ea%b8%b0%ec%9e%a5-%ea%b0%9c%eb%85%90-%ea%b3%84%ec%82%b0-%eb%b0%8f-%ec%9d%91%ec%9a%a9","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ec%a0%84%ed%95%98-%eb%a7%81%ec%9d%98-%ec%a0%84%ea%b8%b0%ec%9e%a5-%ea%b0%9c%eb%85%90-%ea%b3%84%ec%82%b0-%eb%b0%8f-%ec%9d%91%ec%9a%a9\/","title":{"rendered":"\uc804\ud558 \ub9c1\uc758 \uc804\uae30\uc7a5 | \uac1c\ub150, \uacc4\uc0b0 \ubc0f \uc751\uc6a9"},"content":{"rendered":"

\uc804\ud558 \ub9c1\uc758 \uc804\uae30\uc7a5\uc740 \uc804\ud558\uac00 \uade0\uc77c\ud558\uac8c \ubd84\ud3ec\ub41c \uc6d0\ud615 \ub9c1\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uc804\uae30\uc7a5\uc744 \uc124\uba85\ud558\ub294 \ubb3c\ub9ac\ud559 \uac1c\ub150\uc785\ub2c8\ub2e4.<\/p>\n

\uc804\ud558 \ub9c1\uc758 \uc804\uae30\uc7a5: \uac1c\ub150, \uacc4\uc0b0 \ubc0f \uc751\uc6a9<\/h2>\n

\uc804\uae30\uc7a5\uc740 \uc804\ud558\uac00 \uacf5\uac04\uc758 \ub2e4\ub978 \uc9c0\uc810\uc5d0 \ubbf8\uce58\ub294 \ud798\uc758 \uc601\ud5a5\uc744 \uc124\uba85\ud558\ub294 \ubb3c\ub9ac\ud559\uc758 \uc911\uc694\ud55c \uac1c\ub150\uc785\ub2c8\ub2e4. \ud2b9\ud788, \uc804\ud558\uac00 \ubd84\ud3ec\ub41c \uad6c\uc870\uc758 \uc804\uae30\uc7a5\uc744 \uc774\ud574\ud558\ub294 \uac83\uc740 \uc804\uc790\uae30\ud559\uc5d0\uc11c \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \uc624\ub298\uc740 \uadf8 \uc911\uc5d0\uc11c\ub3c4 ‘\uc804\ud558 \ub9c1’\uc774\ub77c\ub294 \uad6c\uc870\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uc804\uae30\uc7a5\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n

1. \uc804\ud558 \ub9c1\uc774\ub780?<\/h3>\n

\uc804\ud558 \ub9c1\uc740 \uc6d0\ud615\uc758 \ub9c1 \ud615\ud0dc\ub85c \uade0\uc77c\ud558\uac8c \uc804\ud558\uac00 \ubd84\ud3ec\ub418\uc5b4 \uc788\ub294 \ubaa8\ub378\uc744 \ub9d0\ud569\ub2c8\ub2e4. \ud754\ud788 \uc2e4\ud5d8\uacfc \uc774\ub860\uc801 \uc5f0\uad6c\uc5d0\uc11c \uc774\uc0c1\uc801\uc778 \uc0c1\ud669\uc744 \ubaa8\uc0ac\ud560 \ub54c \uc0ac\uc6a9\ub418\ub294 \uad6c\uc870\uc785\ub2c8\ub2e4. \uc774 \ub9c1\uc758 \ubc18\uc9c0\ub984\uc744 R, \uc804\ud558\uc758 \ucd1d\ub7c9\uc744 Q\ub77c\uace0 \ud560 \ub54c, \uc6b0\ub9ac\ub294 \uc774 \ub9c1\uc744 \ud1b5\ud574 \ubc1c\uc0dd\ud558\ub294 \uc804\uae30\uc7a5\uc744 \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

2. \uc804\uae30\uc7a5 \uacc4\uc0b0<\/h3>\n

\uc804\ud558 \ub9c1\uc758 \uc804\uae30\uc7a5\uc744 \uacc4\uc0b0\ud558\uae30 \uc704\ud574\uc11c\ub294 \uc801\ubd84\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \uc77c\ubc18\uc801\uc785\ub2c8\ub2e4. \ub9c1\uc758 \uc911\uc2ec\uc5d0\uc11c z\ucd95\uc744 \ub530\ub77c \uac70\ub9ac z\uc5d0 \uc788\ub294 \uc810\uc5d0\uc11c\uc758 \uc804\uae30\uc7a5\uc740, \ub9c1\uc758 \uac01 \ubd80\ubd84\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \ubbf8\uc18c \uc804\uae30\uc7a5\uc758 \ubca1\ud130\uc801 \ud569\uc73c\ub85c \uacc4\uc0b0\ub429\ub2c8\ub2e4.<\/p>\n

\uc88c\ud45c\uacc4\ub97c \uc798 \uc124\uc815\ud558\uace0, \ub300\uce6d\uc131\uc744 \uace0\ub824\ud558\uc5ec \ubb38\uc81c\ub97c \ub2e8\uc21c\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub9c1\uc758 \uc804\ud558\uac00 \uade0\uc77c\ud558\uac8c \ubd84\ud3ec\ub418\uc5b4 \uc788\ub2e4\uace0 \uac00\uc815\ud558\uba74, \ub9c1\uc5d0\uc11c \ubbf8\uc18c \uc804\ud558 \uc694\uc18c \\( dq \\)\uac00 \ub9cc\ub4dc\ub294 \uc804\uae30\uc7a5 \\( d\\vec{E} \\)\ub294 \ucfe8\ub871 \ubc95\uce59\uc5d0 \uc758\ud574 \ub2e4\uc74c\uacfc \uac19\uc774 \uc8fc\uc5b4\uc9d1\ub2c8\ub2e4:<\/p>\n

$$
\nd\\vec{E} = \\frac{1}{4\\pi \\epsilon_0} \\frac{dq}{r^2} \\hat{r}
\n$$<\/p>\n

\uc5ec\uae30\uc11c \\( \\epsilon_0 \\)\uc740 \uc9c4\uacf5\uc758 \uc720\uc804\uc728, \\( r \\)\uc740 \ub9c1\uc758 \uc804\ud558 \uc694\uc18c\uc640 \uacc4\uc0b0\ud558\uace0\uc790 \ud558\ub294 \uc810 \uc0ac\uc774\uc758 \uac70\ub9ac\uc774\uba70, \\( \\hat{r} \\)\uc740 \uadf8 \ubc29\ud5a5\uc744 \ub098\ud0c0\ub0b4\ub294 \ub2e8\uc704 \ubca1\ud130\uc785\ub2c8\ub2e4. \uc774 \uac12\uc744 \ubaa8\ub450 \uc801\ubd84\ud558\uc5ec \uc804\uccb4 \uc804\uae30\uc7a5 \\( \\vec{E} \\)\uc744 \uad6c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

3. \uc751\uc6a9<\/h3>\n

\uc804\ud558 \ub9c1\uc758 \uc804\uae30\uc7a5 \uac1c\ub150\uc740 \ub2e4\uc591\ud55c \uacfc\ud559\uc801 \ubc0f \uacf5\ud559\uc801 \ubd84\uc57c\uc5d0 \uc751\uc6a9\ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc785\uc790 \uac00\uc18d\uae30 \uc124\uacc4\uc5d0\uc11c \uc804\ud558 \ub9c1 \ubaa8\ub378\uc740 \uc804\ud558 \uc785\uc790\uac00 \uc5b4\ub5bb\uac8c \uc6c0\uc9c1\uc774\uace0, \uc5b4\ub5bb\uac8c \uac00\uc18d\ub418\ub294\uc9c0\ub97c \uc774\ud574\ud558\ub294 \ub370 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ub610\ud55c, \uc774 \uac1c\ub150\uc740 \uc804\uc790\uae30\ud559 \uae30\ubc18\uc758 \uc758\ub8cc \uae30\uae30 \uac1c\ubc1c\uc5d0\uc11c\ub3c4 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/p>\n

4. \ub9c8\ubb34\ub9ac<\/h3>\n

\uc804\ud558 \ub9c1\uc758 \uc804\uae30\uc7a5\uc744 \uc774\ud574\ud558\ub294 \uac83\uc740 \uc804\uc790\uae30\ud559\uc758 \uae30\ubcf8\uc774\uba70, \uc774\ub97c \ud1b5\ud574 \ub354 \ubcf5\uc7a1\ud55c \uc804\uae30\uc801 \ud604\uc0c1\uacfc \uad6c\uc870\ub4e4\uc744 \uc774\ud574\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud559\ubb38\uc801\uc73c\ub85c\ub294 \ubb3c\ub860 \uc2e4\uc81c \uc751\uc6a9\uc5d0\uc11c\ub3c4 \ub9e4\uc6b0 \uc911\uc694\ud55c \uac1c\ub150\uc774\ubbc0\ub85c, \uae30\ucd08 \uacfc\ud559\uc73c\ub85c\uc11c\uc758 \uc774\ud574\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n

\uc774\ucc98\ub7fc \uac04\ub2e8\ud558\uc9c0\ub9cc \uac15\ub825\ud55c \uc774\ub860\uc744 \ud1b5\ud574, \uc6b0\ub9ac\ub294 \uc790\uc5f0 \ud604\uc0c1\uc744 \ub354 \uc798 \uc774\ud574\ud558\uace0, \uadf8 \uc9c0\uc2dd\uc744 \ubc14\ud0d5\uc73c\ub85c \uc0c8\ub85c\uc6b4 \uae30\uc220\uc744 \uac1c\ubc1c\ud560 \uc218 \uc788\ub294 \ubc1c\ud310\uc744 \ub9c8\ub828\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc804\ud558 \ub9c1\uc758 \uc804\uae30\uc7a5 \uacc4\uc0b0\uc740 \ubb3c\ub9ac\ud559\uc744 \uacf5\ubd80\ud558\ub294 \ub370 \uc788\uc5b4 \ud765\ubbf8\ub85c\uc6b4 \uc5f0\uc2b5 \ubb38\uc81c\ub97c \uc81c\uacf5\ud558\uba70, \ub2e4\uc591\ud55c \uc2e4\uc0dd\ud65c \uc751\uc6a9\uc73c\ub85c \uc5f0\uacb0\ub429\ub2c8\ub2e4.<\/p>\n

\ub530\ub77c\uc11c, \uc804\ud558 \ub9c1\uacfc \uac19\uc740 \uae30\ubcf8\uc801\uc778 \uac1c\ub150\ub4e4\uc744 \ud1b5\ub2ec\ud558\ub294 \uac83\uc740 \uacfc\ud559\uacfc \uacf5\ud559 \ubd84\uc57c\uc5d0\uc11c\uc758 \uc131\uacf5\uc801\uc778 \uacbd\ub825\uc744 \uc704\ud55c \uc911\uc694\ud55c \ucd08\uc11d\uc774 \ub429\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"

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