(1)ÈçͼËùʾÊÇijԭ×ÓµÄÄܼ¶Í¼,a¡¢b¡¢c Ϊԭ×ÓԾǨËù·¢³öµÄÈýÖÖ²¨³¤µÄ¹â. ÔÚÏÂÁиÃÔ­×Ó¹âÆ׵ĸ÷Ñ¡ÏîÖÐ,Æ×Ïß´Ó×óÏòÓҵIJ¨³¤ÒÀ´ÎÔö´ó,ÔòÕýÈ·µÄÊÇ _____________.

(2)Ò»¸öÖÐ×ÓÓëijԭ×Ӻ˷¢ÉúºË·´Ó¦,Éú³ÉÒ»¸ö뮺Ë,ÆäºË·´Ó¦·½³ÌʽΪ _____________. ¸Ã·´Ó¦·Å³öµÄÄÜÁ¿ÎªQ,Ôò뮺˵ıȽáºÏÄÜΪ _____________.

(3)A¡¢B Á½ÖÖ¹â×ÓµÄÄÜÁ¿Ö®±ÈΪ2 :1,ËüÃǶ¼ÄÜʹijÖÖ½ðÊô·¢Éú¹âµçЧӦ,ÇÒËù²úÉúµÄ¹âµç×Ó×î´ó³õ¶¯ÄÜ·Ö±ðΪEA ¡¢EB . ÇóA¡¢B Á½ÖÖ¹â×ӵĶ¯Á¿Ö®±ÈºÍ¸Ã½ðÊôµÄÒݳö¹¦.

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â

£¨2012?»ÝÖÝһģ£©£¨1£©´òµã¼ÆʱÆ÷ÊÇÁ¦Ñ§Öг£ÓõÄ
¼Æʱ
¼Æʱ
ÒÇÆ÷£¬ÈçͼËùʾ£¬Ä³Í¬Ñ§ÔÚ×ö¡°Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯¡±ÊµÑéÖУ¬ÓÉ´òµã¼ÆʱÆ÷µÃµ½±íʾС³µÔ˶¯¹ý³ÌµÄÒ»ÌõÇåÎúÖ½´ø£¬Ö½´øÉÏÁ½ÏàÁÚ¼ÆÊýµãµÄʱ¼ä¼ä¸ôΪT=0.10s£¬ÆäÖÐx1=7.05cm¡¢x2=7.68cm¡¢x3=8.33cm¡¢x4=8.95cm¡¢x5=9.61cm¡¢x6=10.26cm£¬ÔòAµã´¦Ë²Ê±ËٶȵĴóСÊÇ
0.86
0.86
 m/s£¬Ð¡³µÔ˶¯µÄ¼ÓËٶȼÆËã±í´ïʽΪ
a=
(x4+x5+x6)-(x1+x2+x3)
9T2
a=
(x4+x5+x6)-(x1+x2+x3)
9T2
£¬¼ÓËٶȵĴóСÊÇ
0.64
0.64
 m/s2£¨¼ÆËã½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©£®

£¨2£©Ð¡Ã÷ÉèÏëÓÃÈÈÃôµç×èÖÆ×÷Ò»¸ö¡°Î¶ȼơ±£¬Îª´ËËûÐèÒªÏÈ̽¾¿¸ÃÈÈÃôµç×èµÄ×èÖµËæζȱ仯µÄ¹æÂÉ£®ÏÖÓÐÏÂÁÐÆ÷²Ä£º
´ý²âÈÈÃôµç×èR£¨Ô¼600¡«2000¦¸£©£¬Ö±Á÷ºÁ°²±í£¨Á¿³Ì6mA£¬ÄÚ×èÔ¼0.5¦¸£©£¬
Ö±Á÷µçѹ±í£¨Á¿³Ì3V£¬ÄÚ×èÔ¼1k¦¸£©£¬Ö±Á÷ºãѹµçÔ´£¨Êä³öµçѹ3V£¬ÄÚ×è²»¼Æ£©£¬
»¬¶¯±ä×èÆ÷£¨×èÖµ·¶Î§0¡«500¦¸£©£¬ÒÔ¼°Ë®Òøζȼơ¢¼ÓÈÈ×°Öᢿª¹ØºÍµ¼Ïߣ®

¢ÙӦѡÔñͼ
b
b
£¨a¡¢b£©µÄµç·̽¾¿ÈÈÃôµç×èµÄζÈÌØÐÔ£®
¢ÚÖ÷Òª²½Ö裺¢ÙÁ¬½Óµç·£¬Æô¶¯¼ÓÈÈ×°Ö㬴ýζÈÎȶ¨ÎªÄ³Ò»Î¶Èʱ£¬±ÕºÏ¿ª¹Ø£¬¼ÇÏÂ
ζȼơ¢µçÁ÷±í¡¢µçѹ±íµÄ¶ÁÊý
ζȼơ¢µçÁ÷±í¡¢µçѹ±íµÄ¶ÁÊý
£»¢Ú¸Ä±äζȣ¬¶à´ÎÖظ´²½Öè¢Ù²Ù×÷£¬µÃ³ö¶à×éÊý¾Ý£»¢Û¸ù¾ÝÊý¾Ý¼ÆËãÈÈÃôµç×è×èÖµR£¬»æÖÆRËæζÈt±ä»¯µÄͼÏߣ®£¨3£©ÏÖ½«¸ÃÈÈÃôµç×è¡¢ºãѹµçÔ´¡¢¿ª¹Ø¡¢µ¼Ïß¡¢
µçÁ÷±í
µçÁ÷±í
£¨µçѹ±í¡¢µçÁ÷±í£©Á¬½ÓÆðÀ´£¬°Ñ¸Ãµç±íµÄ¿Ì¶È¸ÄΪÏàÓ¦µÄζȿ̶ȣ¬¾ÍÖƳÉÁËÒ»¸ö¡°Î¶ȼơ±£®ÈôRËæζÈt±ä»¯µÄͼÏßÈçͼc£¬ÔòÓôˡ°Î¶ȼơ±²âµÃµÄζÈÔ½¸ß£¬¶ÔÓ¦Ô­µç±í±íÅ̵Ŀ̶ÈÖµÔ½
С
С
£¨´ó¡¢Ð¡£©£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

(1) ÈçͼËùʾÊǸù¾Ýij´ÎʵÑé¼Ç¼µÄÊý¾Ý»­³öµÄU¡ªIͼÏߣ¬ÔòµçÔ´ÄÚ×èÊÇ   

 

 

 (2)Ò»¸öʵÑéС×éÔÚ¡°Ì½¾¿µ¯Á¦ºÍµ¯»ÉÉ쳤µÄ¹Øϵ¡±µÄʵÑéÖУ¬Ê¹ÓÃÁ½Ìõ²»Í¬µÄÇáÖʵ¯»É ºÍ£¬µÃµ½µ¯Á¦Ó뵯»É³¤¶ÈµÄͼÏñÈçͼËùʾ¡£ÏÂÁбíÊöÕýÈ·µÄÊÇ___________¡£

 

 

A£®µÄÔ­³¤±ÈµÄ¶Ì£»      

B£®µÄ¾¢¶ÈϵÊý±ÈµÄ´ó£»

C£®µÄ¾¢¶ÈϵÊý±ÈµÄС£»  

D£®²âµÃµÄµ¯Á¦Ó뵯»ÉµÄ³¤¶È³ÉÕý±È£»

£¨3£©£®Ä³Ò»µç×èÖµ²»±äµÄ´¿µç×èÔª¼þ£¨×èÖµRxÔÚ50¦¸-100¦¸£©£¬¶î¶¨¹¦ÂÊΪ0.25W£®ÒªÓ÷ü°²·¨½Ï׼ȷµØ²âÁ¿ËüµÄ×èÖµ£¬ÊµÑéÆ÷²ÄÓУº

µçÁ÷±íA1£ºÁ¿³ÌΪ100mA£¬ÄÚ×èԼΪ5¦¸

µçÁ÷±íA2£ºÁ¿³ÌΪ1 A£¬ÄÚ×èԼΪ0.5¦¸

µçѹ±íV1£ºÁ¿³ÌΪ6V£¬ÄÚ×èԼΪ10k¦¸

µçѹ±íV2£ºÁ¿³ÌΪ30V£¬ÄÚ×èԼΪ50k¦¸

»¬¶¯±ä×èÆ÷R£º 0¡«10¦¸ £¬2A

µçÔ´£¨E=9V£©£¬¿ª¹Ø£¬µ¼ÏßÈô¸É

¢Ù.ʵÑéÖÐӦѡÓõĵçÁ÷±íΪ      £¬µçѹ±íΪ      £»£¨ÌîÈëÆ÷²Ä·ûºÅ£©

¢Ú.ÔÚÐéÏß¿òÄÚ»­³öʵÑéµç·ͼ£»

¢Û.²â³öµÄµç×èÖµÓëÕæʵֵÏà±È       £¨Ìî¡°Æ«´ó¡±¡¢¡°Æ«Ð¡¡±»ò¡°ÏàµÈ¡±£©£®

 

 

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2012½ì¹ã¶«Ê¡Ë³µÂÀÖ´ÓÖÐѧ¸ßÈýÔ¿¼ÎïÀíÊÔ¾í ÌâÐÍ£ºÊµÑéÌâ

(1) ÈçͼËùʾÊǸù¾Ýij´ÎʵÑé¼Ç¼µÄÊý¾Ý»­³öµÄU¡ªIͼÏߣ¬ÔòµçÔ´ÄÚ×èÊÇ   

(2)Ò»¸öʵÑéС×éÔÚ¡°Ì½¾¿µ¯Á¦ºÍµ¯»ÉÉ쳤µÄ¹Øϵ¡±µÄʵÑéÖУ¬Ê¹ÓÃÁ½Ìõ²»Í¬µÄÇáÖʵ¯»É ºÍ£¬µÃµ½µ¯Á¦Ó뵯»É³¤¶ÈµÄͼÏñÈçͼËùʾ¡£ÏÂÁбíÊöÕýÈ·µÄÊÇ___________¡£

A£®µÄÔ­³¤±ÈµÄ¶Ì£»
B£®µÄ¾¢¶ÈϵÊý±ÈµÄ´ó£»
C£®µÄ¾¢¶ÈϵÊý±ÈµÄС£»
D£®²âµÃµÄµ¯Á¦Ó뵯»ÉµÄ³¤¶È³ÉÕý±È£»
£¨3£©£®Ä³Ò»µç×èÖµ²»±äµÄ´¿µç×èÔª¼þ£¨×èÖµRxÔÚ50¦¸-100¦¸£©£¬¶î¶¨¹¦ÂÊΪ0.25W£®ÒªÓ÷ü°²·¨½Ï׼ȷµØ²âÁ¿ËüµÄ×èÖµ£¬ÊµÑéÆ÷²ÄÓУº
µçÁ÷±íA1£ºÁ¿³ÌΪ100mA£¬ÄÚ×èԼΪ5¦¸
µçÁ÷±íA2£ºÁ¿³ÌΪ1 A£¬ÄÚ×èԼΪ0.5¦¸
µçѹ±íV1£ºÁ¿³ÌΪ6V£¬ÄÚ×èԼΪ10k¦¸
µçѹ±íV2£ºÁ¿³ÌΪ30V£¬ÄÚ×èԼΪ50k¦¸
»¬¶¯±ä×èÆ÷R£º 0¡«10¦¸ £¬2A
µçÔ´£¨E=9V£©£¬¿ª¹Ø£¬µ¼ÏßÈô¸É
¢Ù.ʵÑéÖÐӦѡÓõĵçÁ÷±íΪ     £¬µçѹ±íΪ      £»£¨ÌîÈëÆ÷²Ä·ûºÅ£©
¢Ú.ÔÚÐéÏß¿òÄÚ»­³öʵÑéµç·ͼ£»
¢Û.²â³öµÄµç×èÖµÓëÕæʵֵÏà±È      £¨Ìî¡°Æ«´ó¡±¡¢¡°Æ«Ð¡¡±»ò¡°ÏàµÈ¡±£©£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2011-2012ѧÄê¹ã¶«Ê¡¸ßÈýÔ¿¼ÎïÀíÊÔ¾í ÌâÐÍ£ºÊµÑéÌâ

(1) ÈçͼËùʾÊǸù¾Ýij´ÎʵÑé¼Ç¼µÄÊý¾Ý»­³öµÄU¡ªIͼÏߣ¬ÔòµçÔ´ÄÚ×èÊÇ   

 

 

 (2)Ò»¸öʵÑéС×éÔÚ¡°Ì½¾¿µ¯Á¦ºÍµ¯»ÉÉ쳤µÄ¹Øϵ¡±µÄʵÑéÖУ¬Ê¹ÓÃÁ½Ìõ²»Í¬µÄÇáÖʵ¯»É ºÍ£¬µÃµ½µ¯Á¦Ó뵯»É³¤¶ÈµÄͼÏñÈçͼËùʾ¡£ÏÂÁбíÊöÕýÈ·µÄÊÇ___________¡£

 

 

A£®µÄÔ­³¤±ÈµÄ¶Ì£»      

B£®µÄ¾¢¶ÈϵÊý±ÈµÄ´ó£»

C£®µÄ¾¢¶ÈϵÊý±ÈµÄС£»  

D£®²âµÃµÄµ¯Á¦Ó뵯»ÉµÄ³¤¶È³ÉÕý±È£»

£¨3£©£®Ä³Ò»µç×èÖµ²»±äµÄ´¿µç×èÔª¼þ£¨×èÖµRxÔÚ50¦¸-100¦¸£©£¬¶î¶¨¹¦ÂÊΪ0.25W£®ÒªÓ÷ü°²·¨½Ï׼ȷµØ²âÁ¿ËüµÄ×èÖµ£¬ÊµÑéÆ÷²ÄÓУº

µçÁ÷±íA1£ºÁ¿³ÌΪ100mA£¬ÄÚ×èԼΪ5¦¸

µçÁ÷±íA2£ºÁ¿³ÌΪ1 A£¬ÄÚ×èԼΪ0.5¦¸

µçѹ±íV1£ºÁ¿³ÌΪ6V£¬ÄÚ×èԼΪ10k¦¸

µçѹ±íV2£ºÁ¿³ÌΪ30V£¬ÄÚ×èԼΪ50k¦¸

»¬¶¯±ä×èÆ÷R£º 0¡«10¦¸ £¬2A

µçÔ´£¨E=9V£©£¬¿ª¹Ø£¬µ¼ÏßÈô¸É

¢Ù.ʵÑéÖÐӦѡÓõĵçÁ÷±íΪ      £¬µçѹ±íΪ       £»£¨ÌîÈëÆ÷²Ä·ûºÅ£©

¢Ú.ÔÚÐéÏß¿òÄÚ»­³öʵÑéµç·ͼ£»

¢Û.²â³öµÄµç×èÖµÓëÕæʵֵÏà±È       £¨Ìî¡°Æ«´ó¡±¡¢¡°Æ«Ð¡¡±»ò¡°ÏàµÈ¡±£©£®

 

 

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£ºÄ£ÄâÌâ ÌâÐÍ£ºÊµÑéÌâ

ijͬѧ×ö̽¾¿¡°ºÏÁ¦×ö¹¦ºÍÎïÌåËٶȱ仯¹Øϵ¡±µÄʵÑé×°ÖÃÈçͼËùʾ£¬Ð¡³µÔÚÏðƤ½î×÷ÓÃϵ¯³ö£¬ÑØľ°å»¬ÐС£ÏÈƽºâĦ²ÁÁ¦£¬ÔÙÓÃÒ»ÌõÏðƤ½îʱ¶ÔС³µ×öµÄ¹¦¼ÇΪW£¬µ±ÓÃ2Ìõ¡¢3Ìõ¡­ÍêÈ«ÏàͬµÄÏðƤ½î²¢ÔÚÒ»Æð½øÐеÚ2´Î¡¢µÚ3´Î¡­ÊµÑéʱ£¬Ã¿´ÎʵÑéÖÐÏðƤ½îÉ쳤µÄ³¤¶È¶¼±£³ÖÒ»Ö¡£ÊµÑéÖÐС³µ»ñµÃµÄËÙ¶ÈÓÉ´òµã¼ÆʱÆ÷Ëù´òµÄÖ½´ø²â³ö¡£
(1)ľ°åˮƽ·ÅÖã¬Ð¡³µÔÚÏðƤ½î×÷ÓÃÏÂÔ˶¯£¬µ±Ð¡³µËÙ¶È×î´óʱ£¬¹ØÓÚÏðƤ½îËù´¦µÄ״̬ÓëС³µËùÔÚµÄλÖã¬ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ__________¡£  
A£®ÏðƤ½îÈÔ´¦ÓÚÉ쳤״̬  
B£®ÏðƤ½îÇ¡ºÃ»Ö¸´Ô­³¤  
C£®Ð¡³µÇ¡ºÃÔ˶¯µ½Á½¸öÌú¶¤µÄÁ¬Ïß´¦ 
 D£®Ð¡³µÒѳ¬¹ýÁ½¸öÌú¶¤µÄÁ¬Ïß
(2)¹ØÓÚ¸ÃʵÑ飬ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ__________¡£  
A£®´òµã¼ÆʱÆ÷¿ÉÒÔÓÃÖ±Á÷µçÔ´¹©µç£¬µçѹΪ4~6 V  
B£®ÊµÑéÖÐʹÓõÄÈô¸É¸ùÏðƤ½îµÄÔ­³¤¿ÉÒÔ²»ÏàµÈ  
C£®Ã¿´ÎʵÑéÖÐӦʹС³µ´ÓͬһλÖÃÓɾ²Ö¹µ¯³ö  
D£®ÀûÓÃÿ´Î²â³öµÄС³µ×î´óËÙ¶ÈvmºÍÏðƤ½î×öµÄ¹¦W£¬ÒÀ´Î×ö³öW-vm¡¢W-vm2¡¢W-vm3¡¢W2-vm¡¢W3-vm¡­¡­µÄͼÏ󣬵óöºÏÁ¦×ö¹¦ÓëÎïÌåËٶȱ仯µÄ¹Øϵ¡£
(3)ÈçͼËùʾÊÇij´ÎÕýÈ·²Ù×÷Çé¿öÏ£¬ÔÚ50 Hz½»Á÷µç×÷µçԴʱ´òµã¼ÆʱÆ÷¼Ç¼µÄÒ»ÌõÖ½´ø£¬ÎªÁ˲âÁ¿Ð¡³µ»ñµÃµÄËٶȣ¬Ó¦Ñ¡ÓÃÖ½´øµÄ__________£¨Ìî¡°AF¡±»ò¡°FI¡±£©²¿·Ö½øÐвâÁ¿£¬ËٶȴóСΪ__________m/s¡£

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸