ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿Ä³Í¬Ñ§ÀûÓÃÏÂÁÐÆ÷²Ä²âÁ¿Á½½Ú¸Éµç³ØµÄµç¶¯ÊƺÍÄÚ×è¡£
A£®´ý²â¸Éµç³ØÁ½½Ú
B£®µçѹ±íVl¡¢V2£¬Á¿³Ì¾ùΪ3V£¬ÄÚ×èºÜ´ó
C£®¶¨Öµµç×èRo(×èֵδ֪)
D£®µç×èÏäR
E£®µ¼ÏߺͿª¹Ø¡£
(1)¸ù¾ÝÈçͼ¼×ËùʾµÄʵÎïÁ¬½Óͼ£¬ÔÚͼÒÒ·½¿òÖл³öÏàÓ¦µÄµç·ͼ__________£»
(2)ʵÑé֮ǰ£¬ÐèÒªÀûÓøõç·²â³ö¶¨Öµµç×èRo¡£ÏȰѵç×èÏäRµ÷µ½Ä³Ò»×èÖµR1£¬ÔٱպϿª¹Ø£¬¶Á³öµçѹ±íVlºÍV2µÄʾÊý·Ö±ðΪU10¡¢U20£¬ÔòRo=_______£¨ÓÃU10¡¢U20¡¢R1±íʾ£©¡£
(3)Èô²âµÃRo=1.2 ¦¸£¬ÊµÑéÖе÷½Úµç×èÏäR£¬¶Á³öÏàÓ¦µçѹ±íVlºÍV2µÄ¶à×éÊý¾ÝU1¡¢U2£¬Ãè»æ³öU1-U2ͼÏóÈçͼ±ûËùʾ£¬ÔòÁ½½Ú¸Éµç³ØµÄ×ܵ綯ÊÆE= ____V£¬×ÜÄÚ×èr=____¦¸¡£
¡¾´ð°¸¡¿ 3.0 2.4
¡¾½âÎö¡¿£¨1£©¸ù¾ÝʵÎïͼ¿ÉÖª£¬µçѹ±íÓëR²¢ÁªºóÓë´®Áª½ÓÔÚµçÔ´Á½¶Ë£¬µçѹ±í²¢ÁªÔÚµçÔ´Á½¶Ë£¬¹ÊÔÀíͼÈçͼËùʾ£»
£¨2£©¸ù¾Ý´®²¢Áªµç·¹æÂÉ¿ÉÖª£¬Á½¶ËµÄµçѹΪ£º£¬µç·ÖеçÁ÷Ϊ£º£»¸ù¾ÝÅ·Ä·¶¨Âɿɵ㺡£
£¨3£©¸ù¾Ý±ÕºÏµç·ŷķ¶¨ÂÉ¿ÉÖª£º£¬
±äÐοɵãº
ÓÉͼÏó¿ÉÖª£¬µ±Ê±£¬£¬ÔòÓУº
ͼÏóµÄбÂÊΪ£º£¬ÁªÁ¢½âµÃ£º£¬¡£