ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿2009Äêŵ±´¶ûÎïÀíѧ½±µÃÖ÷ÍþÀµÂ¡£²©ÒÁ¶ûºÍÇÇÖΡ£Ê·ÃÜ˹µÄÖ÷Òª³É¾ÍÊÇ·¢Ã÷Á˵çºÉñîºÏÆ÷¼þ£¨CCD£©Í¼Ïñ´«¸ÐÆ÷¡£ËûÃǵķ¢Ã÷ÀûÓÃÁË°®Òò˹̹µÄ¹âµçЧӦÔÀí¡£ÈçͼËùʾµç·¿ÉÑо¿¹âµçЧӦ¹æÂÉ£¬Í¼ÖбêÓÐAºÍKµÄΪ¹âµç¹Ü£¬ÆäÖÐKΪÒõ¼«£¬AΪÑô¼«¡£ÀíÏëµçÁ÷¼Æ¿É¼ì²âͨ¹ý¹âµç¹ÜµÄµçÁ÷£¬ÀíÏëµçѹ±íÓÃÀ´Ö¸Ê¾¹âµç¹ÜÁ½¶ËµÄµçѹ¡£ÏÖ½ÓͨµçÔ´£¬Óùâ×ÓÄÜÁ¿Îª10.5eVµÄ¹âÕÕÉäÒõ¼«K£¬µçÁ÷¼ÆÖÐÓÐʾÊý£¬Èô½«»¬¶¯±ä×èÆ÷µÄ»¬Æ¬P»ºÂýÏòÓÒ»¬¶¯£¬µçÁ÷¼ÆµÄ¶ÁÊýÖð½¥¼õС£¬µ±»¬ÖÁijһλÖÃʱµçÁ÷¼ÆµÄ¶ÁÊýÇ¡ºÃΪÁ㣬¶Á³ö´Ëʱµçѹ±íµÄʾÊýΪ6.0V£»ÏÖ±£³Ö»¬Æ¬PµÄλÖò»±ä£¬ÒÔÏÂÅжÏÕýÈ·µÄÊÇ
A. ¹âµç¹ÜÒõ¼«²ÄÁϵÄÒݳö¹¦Îª4.5eV
B. ÈôÔö´óÈëÉä¹âµÄÇ¿¶È£¬µçÁ÷¼ÆµÄ¼ÆÊý²»ÎªÁã
C. ÈôÓùâ×ÓÄÜÁ¿Îª12eVµÄ¹âÕÕÉäÒõ¼«K£¬¹âµç×ÓµÄ×î´ó³õ¶¯ÄÜÒ»¶¨±ä´ó
D. ÈôÓùâ×ÓÄÜÁ¿Îª9.5eVµÄ¹âÕÕÉäÒõ¼«K£¬Í¬Ê±°Ñ»¬Æ¬PÏò×óÒƶ¯ÉÙÐí£¬µçÁ÷¼ÆµÄ¶ÁÊýÒ»¶¨²»ÎªÁã
¡¾´ð°¸¡¿AC
¡¾½âÎö¡¿µçÁ÷¼ÆµÄ¶ÁÊýÇ¡ºÃΪÁ㣬´Ëʱµçѹ±íµÄʾÊýΪ6.0V£¬¸ù¾Ý¶¯Äܶ¨ÀíµÃ£¬ £®ÔÙ¸ù¾Ý¹âµçЧӦ·½³ÌÖª£º£®¹ÊAÕýÈ·£®¹âµçЧӦµÄ²úÉúµÄ×î´ó³õ¶¯ÄÜÓëÈëÉä¹âµÄÇ¿¶ÈÎ޹أ¬ÓëÈëÉä¹âµÄƵÂÊÓйأ®¹ÊB´íÎó£®Ôö´óÈëÉä¹âµÄ¹â×ÓÄÜÁ¿£¬¸ù¾Ý¹âµçЧӦ·½³ÌÖª£¬¹âµç×ÓµÄ×î´ó³õ¶¯Äܱä´ó£®¹ÊCÕýÈ·£®ÈôÓùâ×ÓÄÜÁ¿Îª9.5eVµÄ¹âÕÕÉäÒõ¼«A£¬ÄÜ·¢Éú¹âµçЧӦ£¬µ«ÊÇ°Ñ»¬Æ¬PÏò×óÒƶ¯ÉÙÐí£¬µçÁ÷¼ÆµÄ¶ÁÊý²»Ò»¶¨²»ÎªÁ㣬¹ÊD´íÎó£»¹ÊÑ¡AC£®
¡¾ÌâÄ¿¡¿Ä³Ñо¿ÐÔѧϰС×éÔÚ²âÁ¿Ä³µç³Øµç¶¯ÊƺÍÄÚ×èʱ£¬ÓÉÓÚʹÓõÄÊÇеç³Ø£¬µç³ØµÄÄÚ×è½ÏС£¬ÎªÁË·ÀÖ¹ÔÚµ÷½Ú»¬¶¯±ä×èÆ÷ʱÔì³É¶Ì·£¬µç·ÖÐÓÃÒ»¸ö¶¨Öµµç×èR0Æð±£»¤×÷Óã®ÊµÑéÆ÷²Ä³ýµç³Ø¡¢¿ª¹ØºÍµ¼ÏßÍ⣬»¹ÓУºµçÁ÷±í(Á¿³Ì0.6A¡¢3A)£¬µçѹ±í(Á¿³Ì3 V¡¢15V)£¬¶¨Öµµç×è(×èÖµR0=1W)£¬»¬¶¯±ä×èÆ÷(×èÖµ·¶Î§0¡«10W¡¢¶î¶¨µçÁ÷2A)£®
(1)¸ÃÑо¿Ð¡×é°´ÕÕµç·ͼÕýÈ·Á¬½ÓºÃµç·ºó½øÐÐʵÑ飬ʵÑéÖÐÒƶ¯»¬¶¯±ä×èÆ÷ʱ£¬·¢ÏÖµçÁ÷±íʾÊý±ä»¯Ã÷ÏÔ£¬¶øµçѹ±íµÄʾÊý±ä»¯²»Ã÷ÏÔ£¬ÒýÆð¸ÃÏÖÏóµÄÖ÷ÒªÔÒòÊÇ____________£®
£¨2£©¸ÃÑо¿Ð¡×é¾¹ýÌÖÂÛ£¬¶Ôµç·½øÐÐÁËÖØÐÂÉè¼Æ£¬¸ù¾ÝÉè¼ÆºÃµÄµç·ͼ£¨Èçͼ¼×£©Á¬½Óʵ¼Êµç·£¨ÈçͼÒÒ£©£¬ÆäÖÐÓÐÁ½¸ùµ¼ÏßδÁ¬½Ó£¬ÇëÄã°ïÖúËûÁ¬½ÓºÃ________________£®
(3)µ÷½Ú»¬¶¯±ä×èÆ÷£¬µçѹ±íºÍµçÁ÷±íµÄʾÊý¼Ç¼ÈçÏ£º
U (V) | 1. 40 | 1. 30 | 1. 20 | 1. 10 | 1. 00 |
I (A) | 0.07 | 0. 15 | 0. 24 | 0. 32 | 0. 41 |
Çë¸ù¾Ý±íÖеÄÊý¾Ý£¬ÔÚ´ðÌ⿨µÄ·½¸ñÖ½ÉÏ×÷³öU£I ͼÏߣ¬____£¬²¢¸ù¾ÝͼÏßÇóµÃ£ºµç³Øµç¶¯ÊÆE =_______V£»ÄÚ×èr=________¦¸£®
(4)ʵÑéʱ¸ÃÑо¿Ð¡×é½øÐÐÁ˶à´Î²âÁ¿£¬»¨·ÑÁ˽ϳ¤Ê±¼ä£¬²âÁ¿ÆÚ¼äÒ»Ö±±£³Öµç·±ÕºÏ£®Æäʵ£¬´Ó¼õСʵÑéÎó²î¿¼ÂÇ£¬ÕâÑùµÄ²Ù×÷²»Í×£¬ÆäÔÒòÊÇ__________£¨Ñ¡Ôñ¡°A¡±»ò¡°B¡±£©
A£®Í¨µçʱ¼ä½Ï³¤ÒýÆðµç±íËð»µ
B£®Í¨µçʱ¼ä½Ï³¤µ¼ÖµçÔ´·¢ÈÈ£¬Ó°Ïì²âÁ¿½á¹û