ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿ÈçͼËùʾ£¬a¡¢b¡¢c¡¢dÊÇijÔÈÇ¿µç³¡ÖеÄËĸöµã£¬ËüÃÇÊÇÒ»¸öËıßÐεÄËĸö¶¥µã£¬ab¡Îcd£¬ab¡Íbc£¬2ab=cd=bc=2l£¬µç³¡ÏßÓëËıßÐÎËùÔÚƽÃæƽÐУ®ÒÑÖªaµãµçÊÆΪ20V£¬bµãµçÊÆΪ24V£¬dµãµçÊÆΪ8V£®Ò»¸öÖÊ×Ó£¨²»¼ÆÖØÁ¦£©¾¹ýbµãµÄËٶȴóСΪv0£¬·½ÏòÓëbc³É45¡ã£¬Ò»¶Îʱ¼äºó¾¹ýcµã£¬ÔòÏÂÁÐ˵·¨²»ÕýÈ·µÄÊÇ£¨ £©
A£®cµãµçÊÆΪ16V
B£®ÖÊ×Ó´ÓbÔ˶¯µ½cËùÓõÄʱ¼äΪ
C£®³¡Ç¿µÄ·½ÏòÓÉaÖ¸Ïòc
D£®ÖÊ×Ó´ÓbÔ˶¯µ½cµç³¡Á¦×ö¹¦Îª8µç×Ó·ü
¡¾´ð°¸¡¿ABD
¡¾½âÎö¡¿Èý½ÇÐÎbcdÊǵÈÑüÖ±½ÇÈý½ÇÐΣ¬¾ßÓжԳÆÐÔ£¬bdÁ¬ÏßÖеãoµÄµçÊÆÓëcÏàµÈ£¬Îª16V£¬¹ÊAÕýÈ·£»ÖÊ×Ó´Ób¡úc×öÀàƽÅ×Ô˶¯£¬ÑسõËٶȷ½Ïò·ÖλÒÆΪ´Ë·½Ïò×öÔÈËÙÖ±ÏßÔ˶¯£¬Ôòt=£¬ÔòBÕýÈ·£»ocΪµÈÊÆÏߣ¬Æä´¹ÏßbdΪ³¡Ç¿·½Ïò£¬b¡úd£¬¹ÊC´íÎó£»µçÊƲîUbc=8V£¬ÔòÖÊ×Ó´Ób¡úcµç³¡Á¦×ö¹¦Îª8eV£®¹ÊDÕýÈ·¡£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿