¾î¶² µµÇüÀÇ µµ½ÉÀ» Áö³ª´Â Ãà¿¡ °üÇÑ ´Ü¸é 2Â÷ ¸ð¸àÆ®¸¦ ´Ü¸éÀûÀ¸·Î ³ª´« °ÍÀÇ Æò¹æ±Ù°ªÀ» ±× Ãà¿¡ °üÇÑ ´Ü¸é 2Â÷ ¹Ý°æÀ̶ó Çϸç ȸÀü ¹Ý°æÀ̶ó°íµµ ÇÑ´Ù. ±ä ±âµÕÀÇ ¼³°è¿¡¼ Á±¼ ÇÏÁßÀ» ±¸ÇÏ´Â °è»ê¿¡ ±âµÕÀÇ ±æÀÌ¿Í °ü·ÃÀ» °¡Áø ¼öÄ¡(¼¼Àåºñ£ºá¬íþÝï)·Î¼ ÀÌ¿ëÇÑ´Ù.
Á÷°æÀÌ D ÀÎ ¿øÇü ´Ü¸éÀÇ ´Ü¸é 2Â÷ ¹Ý°æÀº ´ÙÀ½½ÄÀ¸·Î °è»êÇÑ´Ù.
r = (I/A)^(1/2) = ( (¥ðD^4/64) / (¥ðD^2/4) )^(1/2) = D/4
I : µµ½ÉÀ» Áö³ª´Â Ãà¿¡ ´ëÇÑ ´Ü¸é 2Â÷ ¸ð¸àÆ® = ¥ðD^4/64
A : ´Ü¸éÀû = ¥ðD^2/4
r = D / 4
º¯¼ö¸í
Variable
º¯¼ö°ª
Value
º¯¼ö¼³¸í
Description of the variable