ÌâÄ¿ÄÚÈÝ

¶ÔÏÂÁиÅÄî¡¢¹«Ê½µÄÀí½â£¬ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®¸ù¾ÝE=
F
q
£¬µç³¡ÖÐijµãµÄµç³¡Ç¿¶ÈºÍ¼ìÑéµçºÉµÄµçºÉÁ¿q³É·´±È
B£®¸ù¾ÝC=
¡÷Q
¡÷U
£¬µçÈÝÆ÷¼«°åÉϵĵçºÉÁ¿Ã¿Ôö¼Ó1C£¬µçѹÔö¼Ó1V£¬Ôò¸ÃµçÈÝÆ÷µÄµçÈÝΪ1F
C£®¸ù¾ÝW=qU£¬Ò»¸öµç×ÓÔÚµçÊƲîΪ1VµÄÁ½µã¼ä±»µç³¡¼ÓËÙ£¬µç³¡Á¦×ö¹¦Îª1eV
D£®¸ù¾ÝUab=
Wab
q
£¬Èô´øµçÁ¿Îª1¡Á10-5CµÄÕýµçºÉ´ÓaµãÒƶ¯µ½bµã£¬¿Ë·þµç³¡Á¦×ö¹¦Îª1¡Á10-5J£¬Ôòa¡¢bÁ½µãµÄµçÊƲîΪUab=1V£¬ÇÒaµãµçÊƱÈbµã¸ß
A¡¢µç³¡Ç¿¶ÈΪµç³¡±¾ÉíµÄÐÔÖÊÓëÊÔ̽µçºÉµÄµçºÉÁ¿Î޹أ¬¹ÊA´íÎó£»
B¡¢µçÈÝÒ²ÊǵçÈÝÆ÷±¾ÉíµÄÐÔÖÊ£¬ºÍ¼«°åÉϵĵçºÉÁ¿¼°µçѹÎ޹أ¬µ«¿ÉÒÔͨ¹ý´Ë¹«Ê½Çó³öµçÈݵĴóС£¬¼´Îª1F£¬¹ÊBÕýÈ·£»
C¡¢µç×ӵĵçÁ¿Îªe£¬ÓÉW=Uq¿ÉÖª£¬µç³¡¶Ôµç×Ó×ö¹¦¼ÓËÙʱW=Ue£¬¼´ÔÚ1VµçѹϼÓËÙ£¬µç³¡Á¦×ö¹¦Îª1eV£¬¹ÊCÕýÈ·£»
D¡¢ÓɵçÊƲîµÄ¶¨Òå¿ÉÖª£¬U=
-1¡Á10-5
1¡Á10-5
V=-1V£»¹ÊD´íÎó£»
¹ÊÑ¡BC£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø