ÌâÄ¿ÄÚÈÝ
ÓÐÒ»ÖÖ²âÁ¿ÌåÖصĵç×Ó³Ó£¬ÆäÔÀíÈçͼËùʾ£¬ËüÖ÷ÒªÓÉÈý²¿·Ö¹¹³É£ºÌ¤°å¡¢Ñ¹Á¦´«¸ÐÆ÷R£¨Ò»¸ö×èÖµËæѹÁ¦´óС¶ø±ä»¯µÄµç×èÆ÷£©¡¢ÏÔʾÌåÖصÄÒDZíG£¨ÊµÖÊÊÇÀíÏëµçÁ÷±í£©£®Ì¤°åµÄÖÊÁ¿¿ÉºöÂÔ²»¼Æ£¬ÒÑÖªÀíÏëµçÁ÷±íµÄÁ¿³ÌΪ3A£¬µçÔ´µç¶¯ÊÆΪ12V£¬ÄÚ×èΪ2¦¸£¬µç×èRËæѹÁ¦±ä»¯µÄº¯Êý±í´ïʽΪR =30¨C0.02F£¨FºÍRµÄµ¥Î»·Ö±ðÊÇNºÍ¦¸£©£®ÏÂÁÐ˵·¨ÕýÈ·ÊÇ£¨ £©
A£®¸Ã³ÓÄܲâÁ¿µÄ×î´óÌåÖØÊÇ1400N |
B£®¸Ã³ÓÄܲâÁ¿µÄ×î´óÌåÖØÊÇ1300N |
C£®¸Ã³ÓÁã¿Ì¶ÈÏߣ¨¼´Ì¤°å¿ÕÔØʱµÄ¿Ì¶ÈÏߣ©Ó¦±êÔÚµçÁ÷±íG¿Ì¶ÈÅÌ0.375A´¦ |
D£®¸Ã³ÓÁã¿Ì¶ÈÏߣ¨¼´Ì¤°å¿ÕÔØʱµÄ¿Ì¶ÈÏߣ©Ó¦±êÔÚµçÁ÷±íG¿Ì¶ÈÅÌ0.400A´¦ |
AC
½âÎöÊÔÌâ·ÖÎö£ºµç×Ó³Ó²âÁ¿µÄ×î´óÌåÖØʱ£¬ÓÉ¿ÉÖª£¬Æäµç×èR×îС£¬µç·ÖеçÁ÷×î´ó£¬µÈÓÚµçÁ÷±íµÄÁ¿³ÌΪ3A¡£¸ù¾ÝÅ·Ä·¶¨ÂÉÇó³öµçÁ÷Ϊ3Aʱµç×ӳӵĵç×裬ÔÙÓÉ
Çó½â×î´óÌåÖØ¡£Ì¤°å¿ÕÔØʱ
£¬´úÈë
µÃµ½µç×裬ÓÉÅ·Ä·¶¨ÂÉÇó³öµçÁ÷¡£
AB¡¢µ±µç·ÖеçÁ÷ʱ£¬µç×Ó³Ó²âÁ¿µÄÌåÖØ×î´ó£®ÓÉÅ·Ä·¶¨ÂÉ
µÃµ½
£¬´úÈë
µÃµ½
£»AÕýÈ·
CD¡¢Ì¤°å¿ÕÔØʱ£¬´úÈë
µÃµ½µç×è
£¬ÓÉÅ·Ä·¶¨ÂɵÃ
£¬ËùÒԸóÓÁã¿Ì¶ÈÏߣ¨¼´Ì¤°å¿ÕÔØʱµÄ¿Ì¶ÈÏߣ©Ó¦±êÔÚµçÁ÷±íG¿Ì¶ÈÅÌ0.375A´¦£»CÕýÈ·
¹ÊÑ¡AC
¿¼µã£º´«¸ÐÆ÷ÔÚÉú²úÔÚÉú»îÖеÄÓ¦ÓÃ
µãÆÀ£º×¢Òâ¶Ôµç×Ó³ÓÔÀíµÄÀí½âºÍÅ·Ä·¶¨ÂɵļÆË㣬¹Ø¼üÊǶԽâÎöʽµÄÀí½â¡£
![](http://thumb2018.1010pic.com/images/loading.gif)