£¨12·Ö£©½«Ò»ÖÊÁ¿Îªm¡¢×ܵç×èΪR¡¢³¤Îªl¡¢¿íΪl0µÄ¾ØÐÎÏß¿òMNPQ¾²Ö¹¸éÖÃÔÚˮƽƽÐоøÔµµ¼¹ìÉÏ£¬Æ½Ðе¼¹ìµÄ¼ä¾àҲΪl£¬ÈçͼËùʾ¡£Ïß¿òÓëµ¼¹ìÖ®¼äµÄ¶¯Ä¦²ÁÒòÊýΪ¦Ì¡£ÔÚÏß¿ò×ó²àµÄµ¼¹ìÉÏÓÐÒ»³¤Îªl£¨¼´aa1=l£©¡¢¿í¶ÈΪl0¡¢´Å¸ÐӦǿ¶È¾ùΪBµÄ¼ä¸ô×Å·Ö²¼µÄÏàͬÓнçÔÈÇ¿´Å³¡,ÏàÁڵĴų¡ÇøÓò¼ä¾àΪd£¨d >l0£©£¬´Å³¡µÄ±ß½çaa1¡¢bb1´¹Ö±ÓÚµ¼¹ì£¬´Å³¡µÄ·½ÏòÊúÖ±ÏòÉÏ¡£ÏÖÓôóСΪFµÄÀ­Á¦Ë®Æ½Ïò×ó×÷ÓÃÔÚÏß¿ò£¬Ïß¿òÇ¡ºÃÄܹ»ÔÈËٵش©¹ý´Å³¡ÇøÓòaa1b1b¡£Èôµ±µØµÄÖØÁ¦¼ÓËÙ¶ÈΪg£¬Çó£º

£¨1£©Ïß¿òͨ¹ýaa1b1b´Å³¡ÇøÓòʱµÄÔ˶¯Ëٶȣ»
£¨2£©F×÷ÓÃÇ°£¬MNÓëaa1Ö®¼äµÄ¾àÀ룻
£¨3£©Ïß¿òÔÚͨ¹ýaa1b1b´Å³¡ÇøÓòµÄ¹ý³ÌÖÐËùÉúµÄµçÈÈ¡£

£¨1£© Ïß¿òÔڴų¡ÇøÓò×öÔÈËÙÔ˶¯Ê±£¬
BIl +¦Ìmg="F    "                                          £¨1·Ö£©
¸ÐÓ¦µçÁ÷:        I=E/R
¸ÐÓ¦µç¶¯ÊÆ:       E="Blv            "                      £¨1·Ö£©
½âµÃÔÈËÙÔ˶¯µÄËÙ¶È:                           £¨2·Ö£©
£¨2£© ÔÚ½øÈë´Å³¡Ç°£¬Ïß¿òµÄ¼ÓËÙ¶È                   £¨2·Ö£©
ËùÒÔÏß¿ò½øÈë´Å³¡Ç°Ç°½øµÄ¾àÀë        £¨2·Ö£©
£¨3£© Ïß¿òÔÚͨ¹ý´Å³¡µÄ¹ý³ÌÖÐÏß¿òͨ¹ýÁË2 l0µÄ¾àÀ룬ËùÒÔ

l0

 
                                          £¨4·Ö£©

  

½âÎö

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

½«Ò»ÖÊÁ¿Îªm¡¢×ܵç×èΪR¡¢³¤Îªl¡¢¿íΪl0µÄ¾ØÐÎÏß¿òMNPQ¾²Ö¹¸éÖÃÔÚˮƽƽÐоøÔµµ¼¹ìÉÏ£¬Æ½Ðе¼¹ìµÄ¼ä¾àҲΪl£¬ÈçͼËùʾ£®Ïß¿òÓëµ¼¹ìÖ®¼äµÄ¶¯Ä¦²ÁÒòÊýΪ¦Ì£®ÔÚÏß¿ò×ó²àµÄµ¼¹ìÉÏÓÐÒ»³¤Îªl£¨¼´aa1=l£©¡¢¿í¶ÈΪl0¡¢´Å¸ÐӦǿ¶È¾ùΪBµÄ¼ä¸ô×Å·Ö²¼µÄÏàͬÓнçÔÈÇ¿´Å³¡£¬ÏàÁڵĴų¡ÇøÓò¼ä¾àΪd£¨d£¾l0£©£¬´Å³¡µÄ±ß½çaa1¡¢bb1´¹Ö±ÓÚµ¼¹ì£¬´Å³¡µÄ·½ÏòÊúÖ±ÏòÉÏ£®ÏÖÓôóСΪFµÄÀ­Á¦Ë®Æ½Ïò×ó×÷ÓÃÔÚÏß¿ò£¬Ïß¿òÇ¡ºÃÄܹ»ÔÈËٵش©¹ý´Å³¡ÇøÓòaa1b1b£®Èôµ±µØµÄÖØÁ¦¼ÓËÙ¶ÈΪg£¬Ç󣺣¨1£©Ïß¿òͨ¹ýaa1b1b´Å³¡ÇøÓòʱµÄÔ˶¯Ëٶȣ»
£¨2£©F×÷ÓÃÇ°£¬MNÓëaa1Ö®¼äµÄ¾àÀ룻
£¨3£©Ïß¿òÔÚͨ¹ýaa1b1b´Å³¡ÇøÓòµÄ¹ý³ÌÖÐËùÉúµÄµçÈÈ£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨12·Ö£©½«Ò»ÖÊÁ¿Îªm¡¢×ܵç×èΪR¡¢³¤Îªl¡¢¿íΪl0µÄ¾ØÐÎÏß¿òMNPQ¾²Ö¹¸éÖÃÔÚˮƽƽÐоøÔµµ¼¹ìÉÏ£¬Æ½Ðе¼¹ìµÄ¼ä¾àҲΪl£¬ÈçͼËùʾ¡£Ïß¿òÓëµ¼¹ìÖ®¼äµÄ¶¯Ä¦²ÁÒòÊýΪ¦Ì¡£ÔÚÏß¿ò×ó²àµÄµ¼¹ìÉÏÓÐÒ»³¤Îªl£¨¼´aa1=l£©¡¢¿í¶ÈΪl0¡¢´Å¸ÐӦǿ¶È¾ùΪBµÄ¼ä¸ô×Å·Ö²¼µÄÏàͬÓнçÔÈÇ¿´Å³¡,ÏàÁڵĴų¡ÇøÓò¼ä¾àΪd£¨d >l0£©£¬´Å³¡µÄ±ß½çaa1¡¢bb1´¹Ö±ÓÚµ¼¹ì£¬´Å³¡µÄ·½ÏòÊúÖ±ÏòÉÏ¡£ÏÖÓôóСΪFµÄÀ­Á¦Ë®Æ½Ïò×ó×÷ÓÃÔÚÏß¿ò£¬Ïß¿òÇ¡ºÃÄܹ»ÔÈËٵش©¹ý´Å³¡ÇøÓòaa1b1b¡£Èôµ±µØµÄÖØÁ¦¼ÓËÙ¶ÈΪg£¬Çó£º

 

     £¨1£©Ïß¿òͨ¹ýaa1b1b´Å³¡ÇøÓòʱµÄÔ˶¯Ëٶȣ»

     £¨2£©F×÷ÓÃÇ°£¬MNÓëaa1Ö®¼äµÄ¾àÀ룻

     £¨3£©Ïß¿òÔÚͨ¹ýaa1b1b´Å³¡ÇøÓòµÄ¹ý³ÌÖÐËùÉúµÄµçÈÈ¡£

 

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2012½ìÕ㽭ʡ̨ÖÝÊи߶þÏÂѧÆÚÆÚÄ©²âÊÔÎïÀí ÌâÐÍ£º¼ÆËãÌâ

£¨12·Ö£©½«Ò»ÖÊÁ¿Îªm¡¢×ܵç×èΪR¡¢³¤Îªl¡¢¿íΪl0µÄ¾ØÐÎÏß¿òMNPQ¾²Ö¹¸éÖÃÔÚˮƽƽÐоøÔµµ¼¹ìÉÏ£¬Æ½Ðе¼¹ìµÄ¼ä¾àҲΪl£¬ÈçͼËùʾ¡£Ïß¿òÓëµ¼¹ìÖ®¼äµÄ¶¯Ä¦²ÁÒòÊýΪ¦Ì¡£ÔÚÏß¿ò×ó²àµÄµ¼¹ìÉÏÓÐÒ»³¤Îªl£¨¼´aa1=l£©¡¢¿í¶ÈΪl0¡¢´Å¸ÐӦǿ¶È¾ùΪBµÄ¼ä¸ô×Å·Ö²¼µÄÏàͬÓнçÔÈÇ¿´Å³¡,ÏàÁڵĴų¡ÇøÓò¼ä¾àΪd£¨d >l0£©£¬´Å³¡µÄ±ß½çaa1¡¢bb1´¹Ö±ÓÚµ¼¹ì£¬´Å³¡µÄ·½ÏòÊúÖ±ÏòÉÏ¡£ÏÖÓôóСΪFµÄÀ­Á¦Ë®Æ½Ïò×ó×÷ÓÃÔÚÏß¿ò£¬Ïß¿òÇ¡ºÃÄܹ»ÔÈËٵش©¹ý´Å³¡ÇøÓòaa1b1b¡£Èôµ±µØµÄÖØÁ¦¼ÓËÙ¶ÈΪg£¬Çó£º

 

     £¨1£©Ïß¿òͨ¹ýaa1b1b´Å³¡ÇøÓòʱµÄÔ˶¯Ëٶȣ»

     £¨2£©F×÷ÓÃÇ°£¬MNÓëaa1Ö®¼äµÄ¾àÀ룻

     £¨3£©Ïß¿òÔÚͨ¹ýaa1b1b´Å³¡ÇøÓòµÄ¹ý³ÌÖÐËùÉúµÄµçÈÈ¡£

 

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

½«Ò»ÖÊÁ¿Îªm¡¢×ܵç×èΪR¡¢³¤Îªl¡¢¿íΪl0µÄ¾ØÐÎÏß¿òMNPQ¾²Ö¹¸éÖÃÔÚˮƽƽÐоøÔµµ¼¹ìÉÏ£¬Æ½Ðе¼¹ìµÄ¼ä¾àҲΪl£¬ÈçͼËùʾ¡£Ïß¿òÓëµ¼¹ìÖ®¼äµÄ¶¯Ä¦²ÁÒòÊýΪ¦Ì¡£ÔÚÏß¿ò×ó²àµÄµ¼¹ìÉÏÓÐÒ»³¤Îªl£¨¼´aa1=l£©¡¢¿í¶ÈΪl0¡¢´Å¸ÐӦǿ¶È¾ùΪBµÄ¼ä¸ô×Å·Ö²¼µÄÏàͬÓнçÔÈÇ¿´Å³¡,ÏàÁڵĴų¡ÇøÓò¼ä¾àΪd£¨d >l0£©£¬´Å³¡µÄ±ß½çaa1¡¢bb1´¹Ö±ÓÚµ¼¹ì£¬´Å³¡µÄ·½ÏòÊúÖ±ÏòÉÏ¡£ÏÖÓôóСΪFµÄÀ­Á¦Ë®Æ½Ïò×ó×÷ÓÃÔÚÏß¿ò£¬Ïß¿òÇ¡ºÃÄܹ»ÔÈËٵش©¹ý´Å³¡ÇøÓòaa1b1b¡£Èôµ±µØµÄÖØÁ¦¼ÓËÙ¶ÈΪg£¬Çó£º

     £¨1£©Ïß¿òͨ¹ýaa1b1b´Å³¡ÇøÓòʱµÄÔ˶¯Ëٶȣ»

     £¨2£©F×÷ÓÃÇ°£¬MNÓëaa1Ö®¼äµÄ¾àÀ룻

     £¨3£©Ïß¿òÔÚͨ¹ýaa1b1b´Å³¡ÇøÓòµÄ¹ý³ÌÖÐËùÉúµÄµçÈÈ¡£

   

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸