ÌâÄ¿ÄÚÈÝ
£¨1£©Ò»Í¬Ñ§ÓöàÓõç±í²âÁ¿Ò»µçÆ÷Ôª¼þµç×èÔ¼40k
£¬Ñ¡ÓáÁ10±¶ÂÊ£¬²Ù×÷ÕýÈ·£¬´Ëʱ¿Ì¶ÈÅÌÉϵÄÖ¸ÕëÔÚͼ¼×λÖã¬Ôò¸Ãͬѧ½ô¸úÏÂÀ´µÄ×ö·¨Ö÷ÒªÓÐ £¬ÕýÈ·²Ù×÷ºó£¬Ö¸ÕëÔÚͼÒÒλÖã¬Ôò¸ÃÔª¼þµç×èֵΪ
£¨2£©ÎªÁ˸ü¾«È·µØ²â³öÆä×èÖµ£¬¸ÃͬѧȥʵÑéÊÒ½èÓÃÆ÷²Ä£¬ÊµÑéÔ±ÌæËû×¼±¸ÁËÏÂÁÐÆ÷²Ä£º
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/2014082412370261013280.gif)
E£®Ö±Á÷µçÔ´E£¨µç¶¯ÊÆΪ12V¡¢r=4
£©
F£®»¬¶¯±ä×èÆ÷R£¨0¡«lk
£¬¹¦ÂÊ1W£©
G£®¿ª¹ØÒ»¸ö¡¢µ¼ÏßÈô¸É
Ôò¸ÃͬѧӦѡÓõçÁ÷±í £¨ÌîA1»òA2£©£¬µçѹ±í £¨ÌîV1»òV2£©£¬²¢ÔÚÐéÏß¿òÄÚ»³ö²âÁ¿µç·ͼ¡£![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241237030784050.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824123702594215.gif)
£¨2£©ÎªÁ˸ü¾«È·µØ²â³öÆä×èÖµ£¬¸ÃͬѧȥʵÑéÊÒ½èÓÃÆ÷²Ä£¬ÊµÑéÔ±ÌæËû×¼±¸ÁËÏÂÁÐÆ÷²Ä£º
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/2014082412370261013280.gif)
A£®Ö±Á÷µçÁ÷±íA1£¨0¡«l00A![]() ![]() |
B£®Ö±Á÷µçÁ÷±íA2£¨0¡«500![]() ![]() |
C£®Ö±Á÷µçѹ±íV1£¨0¡«15V£¬R1¡Öl00k![]() |
D£®Ö±Á÷µçѹ±íV2£¨0¡«50V£¬R2¡Ö500k![]() |
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824123702594215.gif)
F£®»¬¶¯±ä×èÆ÷R£¨0¡«lk
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824123702594215.gif)
G£®¿ª¹ØÒ»¸ö¡¢µ¼ÏßÈô¸É
Ôò¸ÃͬѧӦѡÓõçÁ÷±í £¨ÌîA1»òA2£©£¬µçѹ±í £¨ÌîV1»òV2£©£¬²¢ÔÚÐéÏß¿òÄÚ»³ö²âÁ¿µç·ͼ¡£
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241237030784050.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241237030947010.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241237031093884.gif)
ÂÔ
![](http://thumb2018.1010pic.com/images/loading.gif)
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿