ÌâÄ¿ÄÚÈÝ
ͼ¼×Ϊ¶ÔijһÈÈÃôµç×è²âÁ¿µÃµ½µÄI-U¹ØϵÇúÏßͼ¡£ÒÑÖªµçÔ´µç¶¯ÊƺãΪ6V£¬ÄÚ×è²»¼Æ£¬»¬¶¯±ä×èÆ÷µÄ×î´ó×èֵΪ10¦¸£¬µçѹ±íVµÄÄÚ×èԼΪ10k¦¸£¬µçÁ÷±íAµÄÄÚ×èԼΪ0.1¦¸£¬ÈÈÃôµç×èµÄ·ûºÅΪ£¬¿ª¹ØÒ»¸ö£¬µ¼ÏßÈô¸É¡£
£¨1£©ÇëÔÚ·½¿òÄÚ»³öÈÈÃôµç×èµÄ·ü°²ÌØÐÔÇúÏßµÄʵÑéµç·ÔÀíͼ£¨ÓÃÌâÄ¿¸ø³öÒÇÆ÷µÄ·ûºÅ±íʾ£©¡£
£¨2£©ÈôÓÉÌâÖиø³öµÄµçÔ´¡¢ÈÈÃôµç×è¡¢µçÁ÷±í£¬ÔÙÓÃÒ»¶¨Öµµç×èR0×é³ÉÈçͼÒÒËùʾµç·£¬µçÁ÷±í¶ÁÊýΪ20mA£¬ÓÉÈÈÃôµç×èµÄI-U¹ØϵÇúÏß¿ÉÖª£¬ÈÈÃôµç×èµç×èÁ½¶ËµÄµçѹΪ_______V£¬R0ֵΪ_______¦¸.
£¨3£©ÈçͼÒÒÖУ¬ÈÈÃôµç×èµÄ¹¦ÂÊÊÇ__________W£»ÈôÔÙ½«Ò»¸öͬÑùµÄ¶¨Öµµç×èR0ÓëÈÈÃôµç×è´®Áª½ÓÈëµç·£¬ÔòÈÈÃôµç×èµÄ¹¦ÂÊΪ_________W£¨±£ÁôÁ½Î»ÓÐЧÊý×Ö£©¡£
£¨1£©ÈçͼËùʾ£¨2£©£¬
£¨3£©
£¬
½âÎöÊÔÌâ·ÖÎö£º£¨1£©ÓÉÓÚÈÈÃôµç×èµÄµçѹºÍµçÁ÷Ðè´ÓÁ㿪ʼ²âÆð£¬Ôò»¬¶¯±ä×èÆ÷Ðè²ÉÓ÷Öѹʽ½Ó·¨£®Í¨¹ýÈÈÃôµç×èµÄ·ü°²ÌØÐÔÇúÏß¿ÉÖª£¬ÈÈÃôµç×èµÄ×èÖµ½Ï´ó£¬Ô¶´óÓÚµçÁ÷±íµÄÄÚ×裬ÊôÓÚ´óµç×裬µçÁ÷±íÐè²ÉÓÃÄÚ½Ó·¨£®µç·ͼÈçͼËùʾ£®
£¨2£©ÓÉͼ¼×ËùʾͼÏó¿ÉÖª£¬µçÁ÷±í¶ÁÊýΪ20mAʱÈÈÃôµç×èÁ½¶ËµÄµçѹΪ4V£¬¸ù¾ÝÅ·Ä·¶¨Âɵ㬵ç×èR0µÄµçѹΪ£¬Ôòµç×è
£¨3£©ÓÉͼ¼×ËùʾͼÏó¿ÉÖª£¬µçÁ÷±í¶ÁÊýΪ20mAʱÈÈÃôµç×èÁ½¶ËµÄµçѹΪ4V£¬ÔòÈÈÃôµç×蹦ÂÊ£»
µçÔ´ÓëÁ½¶¨Öµµç×è×é³ÉµÄµÈЧµçÔ´U-IͼÏóÈçͼËùʾ£¬ÓÉͼʾͼÏó¿ÉÖª£¬ÈÈÃôµç×èÁ½¶ËµçѹΪ3.2V£¬Í¨¹ýËüµÄµçÁ÷Ϊ14mA£¬
¹¦ÂÊ£»
¿¼µã£º¿¼²éÁËÈÈÃôµç×èµÄU-IͼÏñʵÑé
![](http://thumb2018.1010pic.com/images/loading.gif)
ijͬѧÀûÓôòµã¼ÆʱÆ÷²âÁ¿Ð¡³µ×öÔȱäËÙÖ±ÏßÔ˶¯µÄ¼ÓËٶȣ®
(1)µç»ð»¨´òµã¼ÆʱÆ÷ÊÇÒ»ÖÖʹÓÃ__________(Ñ¡Ìî ¡°½»Á÷¡±»ò ¡°Ö±Á÷¡±)µçÔ´µÄ¼ÆʱÒÇÆ÷£¬ËüµÄ¹¤×÷µçѹÊÇ V£¬µ±µçÔ´µÄƵÂÊΪ50 Hzʱ£¬Ëüÿ¸ô______s´òÒ»´Îµã£®
(2)ʹÓôòµã¼ÆʱÆ÷ʱ£¬½ÓͨµçÔ´ÓëÈÃÖ½´øËæС³µ¿ªÊ¼Ô˶¯ÕâÁ½¸ö²Ù×÷¹ý³ÌµÄ²Ù×÷˳Ðò£¬Ó¦¸ÃÊÇ(¡¡¡¡)
A£®ÏȽÓͨµçÔ´£¬ºóÊÍ·ÅÖ½´ø | B£®ÏÈÊÍ·ÅÖ½´ø£¬ºó½ÓͨµçÔ´ |
C£®ÊÍ·ÅÖ½´øµÄͬʱ½ÓͨµçÔ´ | D£®ÄĸöÏÈ£¬Äĸöºó¶¼¿ÉÒÔ |
![](http://thumb.1010pic.com/pic5/tikupic/b6/7/1ce6g2.jpg)
¾àÀë | d1 | d2 | d3 |
²âÁ¿Öµ£¯cm | | | |