µç·ÀíÂÛ¸´Ï°Ìâ

5¡¢Í¼Ê¾µç·ÖУ¬L1=8mH£¬L2=0.5H£¬R=2¦¸£¬L3= 0.2H£¬R1=4¦¸£¬U0=6V£¬n=2£¬us?82sin1000t£¬µçÁ÷±í¶ÁÊý¡£

µÄ¶ÁÊýΪ0.6A£¬ÇóCÖµ¼°µçÁ÷±í

µÄ

6¡¢Í¼Ê¾ÕýÏÒµçÁ÷µç·ÖУ¬ÒÑÖªus(t)?82cos(2t?45?)V¡£

1£©»­³öµç·µÄÏàÁ¿Ä£ÐÍ¡£

2£©Çóº¬Ô´µ¥¿ÚÍøÂçµÄ´÷άÄþµÈЧµç·¡£

3£©¸ºÔØ×迹ΪºÎֵʱ¿ÉÒÔ»ñµÃ×î´óƽ¾ù¹¦ÂÊ£¬²¢¼ÆËã´Ë×î´ó¹¦ÂÊ¡£

i1uS1H4?1H?2H0.5Fa¸º¸º0.25F1b

¸º¸º¸º¸º¸º¸ºµÚʮһÕ µç·µÄƵÂÊÏìÓ¦

Ò»¡¢Ìî¿ÕÌâ

1¡¢ ´®ÁªÐ³Õñʱ£¬µç·ÖеçÁ÷Ϊ×î__´ó_______¡£

2¡¢ ÔÚRLC´®Áªµç·ÖУ¬ÒÑÖªµç×èR=8k¦¸£¬¸Ð¿¹XL£½9k¦¸£¬ÈÝ¿¹XC=3k¦¸£¬×迹£Ú£½______8+j6_____k¦¸¡£

3¡¢ ÔÚÕýÏÒ¼¤ÀøÏ£¬º¬ÓÐLºÍCµÄ¶þ¶ËÍøÂçµÄ¶Ë¿ÚµçѹÓëµçÁ÷ͬÏàʱ£¬³Æµç··¢ÉúÁË____

гÕñ____¡£

4¡¢ RLC´®ÁªÐ³Õñµç·ÖУ¬Ð³Õñ½ÇƵÂÊΪ___1___1_____¡£ ¶þ¡¢Ñ¡ÔñÌâ

LC_____£¬´Ëʱµç·µÄ¹¦ÂÊÒòËØÎª

1¡¢Í¼Ê¾RLC´®ÁªÐ³Õñµç·£¬Æ·ÖÊÒòÊýQµÈÓÚ£¨ C £©¡£ A. 0.1 B. 1

C. 10 D. 100 u s 0.01H 100uF

1¦¸

µÚÊ®¶þÕ ÈýÏàµç·

Ò»¡¢Ìî¿ÕÌâ

1¡¢ ÒÑÖªÈýÏà¶Ô³ÆµçÔ´µÄÏßµçѹΪ380V£¬¶øÈýÏà¸ºÔØµÄ¶î¶¨µçѹΪ380V£¬Ôò¸ÃÈýÏà¸ºÔØ½Ó

µ½ÈýÏàµçÔ´ÉÏʱ£¬Ó¦²ÉÓÃ_____Y-¦¤____½Ó·¨¡£ 2¡¢ ÔÚÐÇÐÎÁª½ÓµÄÈýÏàËÄÏßÖÆµç·ÖУ¬ÏàµçÁ÷IPºÍÏßµçÁ÷ILµÄ¹ØÏµÎª_______IL?IP____£»

ÏàµçѹUPºÍÏßµçѹULµÄ¹ØÏµÎª______UL?3UP_____¡£

3¡¢ ¶Ô³ÆÈýÏཻÁ÷µç¶¯ÊƵÄÏàλ²îΪ____120______¶È¡£

4¡¢ ÓÉÈý¸ö____´óС____Ïàͬ¡¢____ƵÂÊ____Ïàͬ¡¢Ïà뻥²î__120______¶ÈµÄÕýÏÒµçѹԴ

Ëù¹¹³ÉµÄµçÔ´³ÆÎª¶Ô³ÆÈýÏàµçÔ´¡£

5¡¢ ¶Ô³ÆÈýÏàµç·ÖУ¬¸ÐÐÔ¸ºÔØÎüÊÕÓй¦¹¦ÂÊ2800W£¬¹¦ÂÊÒòÊýΪ0.8£¬¸ºÔØÎüÊÕµÄÎÞ¹¦¹¦

ÂÊΪ___2100_____var£¬ÊÓÔÚ¹¦ÂÊΪ_____3500___VA¡£

6¡¢ ¶Ô³ÆÈýÏàÐÇÐÎÁ¬½Óµç·ÖУ¬Ïßµçѹ³¬Ç°ÏàÓ¦Ïàµçѹ___30_____¶È£¬ÏßµçѹµÄ·ùÖµÊÇÏàµç

ѹ·ùÖµµÄ___3_____±¶¡£

¶þ¡¢Ñ¡ÔñÌâ

1¡¢ÈýÕµ¹æ¸ñÏàͬµÄ°×³ãµÆ°´ÏÂͼËùʾ½ÓÔÚÈýÏཻÁ÷µç·Öж¼ÄÜÕý³£·¢¹â£¬ÏÖ½«S2¶Ï¿ª£¬ÔòEL1¡¢EL3½«£¨ D£©¡£

A. ÉÕ»ÙÆäÖÐÒ»¸ö»ò¶¼ÉÕ»Ù B. ²»ÊÜÓ°Ï죬ÈÔÕý³£·¢¹â C. ¶¼ÂÔΪÔöÁÁЩ D. ¶¼ÂÔΪ±ä°µÐ© Èý¡¢¼ÆËãÌâ

2¡¢ÏÖÓÐÈý×é°×³ãµÆ£¬ÆäÖÐA×éºÍB×é¸÷10Õµ£¬C×é30Õµ¡£Ã¿ÕµµÆµÄ¶î¶¨µçѹÊÇ220V£¬¹¦ÂÊ40W£¬ÒªÇóÕâÈý×鵯½ÓÔÚµçѹΪ380/220VÈýÏàµçÔ´ÉÏ¡£

ÊÔÎÊ£º£¨1£©ÈçºÎÁ¬½Óµ½µçÔ´ÉÏ£¿»­³öÏß·ͼ¡£ £¨2£©¼ÆËã¸ºÔØ¸÷Ïàµçѹ¼°ÏàµçÁ÷¡£

3¡¢Í¼Ê¾¶Ô³ÆÈýÏàµç·ÖУ¬ÒÑÖªÈý½ÇÐÎÁª½Ó¸ºÔظ´×迹Z¶ËÏßµçѹUl??300V£¬¸ºÔظ´×迹ZµÄ¹¦ÂÊÒòÊýΪ0.8,¸ºÔØÏûºÄ¹¦ÂÊPz?1440W¡£Çó¸ºÔظ´×迹ZºÍµçÔ´¶ËÏßµçѹUl¡£

12¡¢Í¼Ê¾µç·ÊÇÒ»ÖֲⶨÏàÐòµÄÒÇÆ÷£¬Í¼Öеç×èRÊÇÁ½¸öÏàͬµÄµÆÅÝ£¬Éè

1?R£¬?C˵Ã÷ÔÚµçÔ´µçѹ¶Ô³ÆµÄÇé¿öÏ£¬ÈçºÎ¸ù¾ÝÁ½¸öµÆÅݵÄÁÁ¶ÈÈ·¶¨µçÔ´µÄÏàÐò¡£

µÚÊ®ÈýÕ ·ÇÕýÏÒÖÜÆÚµçÁ÷µç·ºÍÐÅºÅµÄÆµÆ×

Ò»¡¢Ìî¿ÕÌâ

1¡¢ ÒÑ֪ijһ¶Ë¿ÚÍøÂçµÄµçѹºÍµçÁ÷·Ö±ðΪ£º

u(t)?5?10sin(10t?30)?5cos(30t?60)V, i(t)?3cos(10t)?2cos(30t?30)AÔò¸ÃÍøÂçµÄµçѹÓÐЧֵΪ___¹¦ÂÊΪ___7.5_____W¡£

13175_____V£¬ µçÁ÷ÓÐЧֵΪ________A£¬ÎüÊյį½¾ù

222¡¢·ÇÕýÏÒÖÜÆÚµçÁ÷»òµçѹµÄÓÐЧֵµÈÓÚ______ºã¶¨·ÖÁ¿_______µÄƽ·½ºÍ________¸÷´Îг²¨ÓÐЧֵ_____µÄƽ·½Ö®ºÍµÄƽ·½¸ù¡£

¶þ¡¢Ñ¡ÔñÌâ

1¡¢ÒÑ֪ijһ¶Ë¿ÚÍøÂçµÄµçѹºÍµçÁ÷·Ö±ðΪ£º

u(t)?5?10sin(10t?30)?5cos(30t?60)V, i(t)?3cos(10t)?2cos(30t?30)AÔò¸ÃÍøÂçÎüÊյį½¾ù¹¦ÂÊΪ£¨ A £©¡£

A. 7.5W B. 5W C. 10W D. 12.5W

µÚÊ®ËÄÕ ÏßÐÔ¶¯Ì¬µç·µÄ¸´ÆµÓò·ÖÎö

Ò»¡¢Ìî¿ÕÌâ

1¡¢ µç¸ÐLµÄÔËËãµ¼ÄÉΪ________£¬µçÈÝCµÄÔËËãµ¼ÄÉΪ________£¬RLC´®Áªµç·µÄÔËËã

×迹Ϊ______________¡£

2¡¢ µ¥Î»½×Ô¾º¯ÊýµÄÏóº¯ÊýΪ________£¬µ¥Î»³å¼¤º¯ÊýµÄÏóº¯ÊýΪ________¡£

3¡¢ µç·ÔÚÕýÏÒÎÈ̬ʱµÄÍøÂ纯ÊýËæÆµÂʱ仯µÄÌØÐÔ£¬³ÆÎª________£¬ÆµÂÊÏìÓ¦ÌØÐÔ·ÖΪ

________ÌØÐÔºÍ________ÌØÐÔ¡£ 4¡¢ Ïóº¯Êý

1µÄÔ­º¯ÊýΪ___________£¬º¯Êýsin(?t)µÄÏóº¯ÊýΪ_______________¡£ 2s¶þ¡¢¼ÆËãÌâ

1¡¢Í¼Ê¾µç·ÖÐuC1(0?)?50V£¬C2ԭδ³äµç£¬t?0ʱ£¬ºÏÉÏ¿ª¹ØS£¬ÊÔÓÃÔËËã·¨

ÇóiC1£¬iC2¡£

t?0?S?iC23FiC1uC1+_2F10?

2¡¢Í¼Ê¾µç·ÔÚ»»Â·Ç°´¦ÓÚÎÈ̬£¬ÓÃÀ­ÆÕÀ­Ë¹±ä»»·¨Çót?0µÄiC¡£

3¡¢µç·ÈçͼËùʾ£¬¿ª¹ØS±ÕºÏǰµç·ÒÑ´ïÎÈ̬¡£t=0ʱS±ÕºÏ£¬ÊÔ»­³öS±ÕºÏ

ºóµÄÔËËãµç·£¬²¢ÁгöÇó½âµçÈݵçѹuC(t)µÄµÄµç··½³Ì¡£

ÁªÏµ¿Í·þ£º779662525#qq.com(#Ìæ»»Îª@)