ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿ÎªÁË̽¾¿¡°µçÁ÷ͨ¹ýµ¼Ìå²úÉúµÄÈÈÁ¿¸úʲôÒòËØÓйء±£¬Ä³Í¬Ñ§½«Á½¶Î×èÖµ²»Í¬µÄµç×èË¿R1¡¢R2·Ö±ðÃÜ·âÔÚÁ½¸öÍêÈ«ÏàͬµÄÉÕÆ¿ÖУ¬²¢Éè¼ÆÁËÈçͼËùʾµÄ¼×¡¢ÒÒÁ½Ì××°Öã®ÒÑÖªËùÓÃÐîµç³ØµçѹÏàµÈÇÒ±£³Ö²»±ä£¬R1£¼R2£¬×°ÈëÉÕÆ¿µÄúÓÍÖÊÁ¿ÏàµÈ£®ÏÂÁÐÓйشË̽¾¿»î¶¯µÄ¸÷ÖÖ±íÊö£¬´íÎóµÄÊÇ£¨¡¡¡¡£©
A. ÔÚ´ËʵÑéÖУ¬µçÁ÷ͨ¹ýµ¼Ìå²úÉúÈÈÁ¿µÄ¶àÉÙÊÇͨ¹ýζȼÆʾÊý±ä»¯µÄ´óСÌåÏÖ³öÀ´µÄ
B. ¼××°ÖÿÉ̽¾¿µçÁ÷ͨ¹ýµ¼Ìå²úÉúµÄÈÈÁ¿Óëµç×èÊÇ·ñÓйØ
C. ±È½ÏÏàͬͨµçʱ¼äÄÚa¡¢cÁ½Ö§Î¶ȼÆʾÊý±ä»¯Çé¿ö£¬¿É̽¾¿µçÁ÷²úÉúµÄÈÈÁ¿ÓëµçÁ÷ÊÇ·ñÓйØ
D. ÔÚÏàͬµÄͨµçʱ¼äÄÚ£¬dζȼÆËùÔÚÉÕÆ¿Öеĵç×èË¿²úÉúµÄÈÈÁ¿×î¶à
¡¾´ð°¸¡¿D
¡¾½âÎö¡¿ÊÔÌâ·ÖÎö£ºA¡¢µ±µç×è˿ͨµçºó£¬µçÁ÷²úÉúÈÈÁ¿Ê¹ÃºÓÍζÈÉý¸ß£¬´Ó¶øʹζȼÆʾÊýÉÏÉý£¬Òò´Ë¿É¸ù¾ÝζȼÆʾÊýµÄ´óС¿É֪ζÈÉý¸ßµÄ¶àÉÙ£»¹ÊAÕýÈ·£»
B¡¢¼×ÖÐÁ½µç×è´®Áª£¬ÔòÁ½µç×èÖеĵçÁ÷ÏàµÈ£¬Ôò¿ÉÖªÈÈÁ¿Ó¦Óɵç×èÓйأ¬¸ù¾ÝζȼÆʾÊýµÄ±ä»¯ÅжÏÎüÊÕÈÈÁ¿µÄ¶àÉÙ£¬Ôò¿ÉÖªÈÈÁ¿Óëµç×è´óСµÄ¹Øϵ£»¹ÊBÕýÈ·£»
C¡¢¼×ÒÒÁ½Í¼ÖУ¬Í¨¹ýµç×èR1µÄµçÁ÷²»Í¬£¬±È½ÏÏàͬͨµçʱ¼äÄÚa£¬cÁ½Ö§Î¶ȼÆʾÊý±ä»¯Çé¿ö£¬¿É̽¾¿µçÁ÷²úÉúµÄÈÈÁ¿ÓëµçÁ÷ÊÇ·ñÓйأ»¹ÊCÕýÈ·£»
D¡¢ÔÚµçÔ´µçѹºÍͨµçʱ¼äÏàͬµÄÌõ¼þÏ£º
ÓÉ´®²¢Áªµç·µÄµçѹ¹Øϵ¿ÉÖª£¬´®ÁªÊ¹ÓÃʱ¸÷µç×èÁ½¶ËµçѹСÓÚµçÔ´µçѹ£¬²¢ÁªÊ¹ÓÃʱ¸÷µç×èÁ½¶ËµçѹµÈÓÚµçÔ´µçѹ£¬ÓÉQ=I2Rt£¬I=µÃ£¬Q=£¬¿ÉÖª¸÷µç×è²¢ÁªÊ±²úÉúµÄÈÈÁ¿¶à£»
Á½µç×è²¢ÁªÊ±£¬ÓÉQ=¿ÉÖª£¬µçѹÏàµÈ£¬R1£¼R2£¬µç×èR1²úÉúµÄÈÈÁ¿¶à£»¹ÊD´íÎó£»
¹ÊÑ¡D£®
¡¾ÌâÄ¿¡¿Ä³ÖÐѧ³õÈýÄ꼶¿ÎÍâÐËȤС×éµÄͬѧ£¬°´Èçͼ¼×ËùʾµÄʵÎïÁ¬½Óͼ×ö¡°²â¶¨Ð¡µÆÅݵĵç×衱ʵÑ飨СµÆÅݱêÓС°2.5·ü¡±×ÖÑù£©£¬µçÔ´µçѹΪ4V£¬ÔÚʵÑé¹ý³ÌÖеõ½ÁËÈçϱíËùʾµÄÒ»×éUºÍIµÄÊý¾Ý£º
ÊÔÑé´ÎÊý | 1 | 2 | 3 | 4 | 5 |
µçѹ | 2.5 | 2.0 | 1.5 | 1.0 | 0.5 |
µçÁ÷ | 0.22 | 0.19 | 0.16 | 0.1 |
£¨1£©ÔÚÁ¬½Óµç·ʱ£¬¿ª¹ØÓ¦¸Ã´¦ÓÚ______£¨Ñ¡Ìî¡°±ÕºÏ¡±»ò¡°¶Ï¿ª¡±£©×´Ì¬¡£
£¨2£©µÆÅÝÕý³£·¢¹âʱ£¬µçÁ÷±íµÄʾÊýÈçͼÒÒËùʾ£¬ÔòСµÆÅÝÕý³£·¢¹âʱµÄµç×èÊÇ_________________£¨½á¹û±£ÁôÁ½Î»Ð¡Êý£©¡£
£¨3£©ÎªÁËÍê³ÉÕâ5´ÎʵÑ飬Ӧ¸ÃÑ¡Ôñ×î´ó×èÖµ²»Ð¡ÓÚ______________µÄ»¬¶¯±ä×èÆ÷¡£
£¨4£©Ä³´Îµ÷½ÚÖУ¬Èô»¬¶¯±ä×èÆ÷µÄ×èÖµ¼õСÁË¡÷R1£¬Ð¡µÆÅݵĵç×è±ä»¯ÁË¡÷R2Ôò¡÷R1______¡÷R2£¨Ñ¡Ìî¡°´óÓÚ¡±¡¢¡°µÈÓÚ¡±¡¢¡°Ð¡ÓÚ¡±£©