ÌâÄ¿ÄÚÈÝ

ÔÚ¡°ÑéÖ¤»úеÄÜÊØºã¶¨ÂÉ¡±µÄʵÑéÖУº

(1)Ñо¿¶ÔÏóÊÇ___________£®

(2)ʵÑéÆ÷²Ä³ýÌú¼Ų̈¡¢´òµã¼ÆÊ±Æ÷¡¢Ö½´ø¡¢ÖØ´¸¡¢Ìú¼ÐÒÔÍ⣬»¹È±ÉÙµÄÖØÒªÆ÷²ÄÊÇ______________£®

(3)×ö´ËʵÑéʱ£¬ÓÐͬѧ°´ÒÔϲ½Öè½øÐУº

¢Ù¹Ì¶¨ºÃ´òµã¼ÆÊ±Æ÷£¬½«Á¬ÓÐÖØÎïµÄÖ½´ø´©¹ýÏÞλ¿×£¬ÓÃÊÖÌáס£¬ÈÃÊÖ¾¡Á¿¿¿½ü¼ÆÊ±Æ÷£®

¢ÚËÉ¿ªÖ½´ø£¬½ÓͨµçÔ´£¬¿ªÊ¼´òµã£¬²¢Öظ´¼¸´Î£¬¶à´ò¼¸¸öÖ½´ø£®

¢ÛÈ¡ÏÂÖ½´ø£¬ÌôÑ¡µã¼£ÇåÎúµÄÖ½´ø£¬¼ÇÏÂÆðʼµãO£¬ÔÚÀëOµã½Ï½ü´¦Ñ¡Ôñ¼¸¸öÁ¬Ðøµã²¢¼ÆËã³ö¸÷µãµÄËÙ¶ÈÖµ£®

¢Ü²â³ö¸÷µã¾àOµãµÄ¾àÀ룬¼´ÎªÏÂÂä¸ß¶È£®

¢ÝÓÃÌìÆ½³Æ³öÎïÌåµÄÖÊÁ¿£®

¢Þ¼ÆËã³öÓ룬¿´Á½ÕßÊÇ·ñÏàµÈ£®ÔÚÉÏÊö²½ÖèÖУ¬¶àÓàµÄÊÇ___________£¬ÓдíÎóµÄÊÇ(²¢¸øÓè¸üÕý)£ºa________£¬b______£¬c________£®

(4)Ìôѡֽ´øµÄÒªÇóÊÇ£º¢Ù__________£¬¢Ú_________£®

(5)ÐèÒªÖ±½Ó²âÁ¿µÄÎïÀíÁ¿ÊÇ__________£¬¼ä½Ó²âÁ¿µÄÎïÀíÁ¿ÊÇ___________£®

(6)ÈôʵÑéÖеõ½Ò»ÌõÖ½´ø£¬ÈçͼËùʾ£¬Ôòµ±¼ÆÊ±Æ÷´òµãcʱ£¬ÎïÌåµÄ¶¯Äܱí´ïʽΪ___________£¬ÎïÌåÊÆÄܼõÉٵıí´ïʽΪ___________£¬ÈôµÈʽ_________³ÉÁ¢£¬¼´ÑéÖ¤ÁË»úеÄÜÊØºã¶¨ÂÉ£®

´ð°¸£ºÂÔ
½âÎö£º

(1)×ö×ÔÓÉÂäÌåÔ˶¯µÄÖØÎï(2)µÍѹ½»Á÷µçÔ´(»ò½»Á÷µçÔ´)£¬ºÁÃ׿̶ȳß(3)¢ÝÒòΪ²»±ØÒª³Æ³öÎïÌåµÄÖÊÁ¿£®aµÚ¢Ù²½¡°ÈÃÊÖ¾¡Á¿¿¿½ü¡±Ó¦¸ÄΪ¡°ÈÃÖØÎᄀÁ¿¿¿½ü´òµã¼ÆÊ±Æ÷¡±£»bµÚ¢Ú²½Ó¦¸ÄΪ¡°ÏȽÓͨµçÔ´£¬ºóËÉ¿ªÖ½´ø£»cµÚ¢Û²½¡°ÔÚÀëOµã½Ï½ü´¦¡±Ó¦¸ÄΪ¡°ÔÚÀëOµã½ÏÔ¶´¦£®(4)¢Ùµã¼£ÇåÎú£»¢ÚµÚÒ»¡¢¶þÁ½µã¼äµÄ¾àÀë½Ó½ü2mm(5)ÖØÎïÏÂÂä¸ß¶Èh£¬ÓëÖØÎïÏÂÂäµÄ¸ß¶È´¦¶ÔÓ¦µÄ˲ʱËÙ¶È(6)£¬£®


Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
£¨1£©ÏÖÐиßÖÐÎïÀí½Ì²ÄµÄѧÉúʵÑéÖУ¬ÌṩÁËÖØ´¸ÏßµÄÊÇ
AC
AC

A¡¢Ñо¿Æ½Å×ÎïÌåµÄÔ˶¯    B¡¢ÑéÖ¤»úеÄÜÊØºã¶¨ÂÉ
C¡¢ÑéÖ¤¶¯Á¿Êغ㶨        D¡¢Óõ¥°Ú²â¶¨ÖØÁ¦¼ÓËÙ¶È
£¨2£©ÔÚÀûÓÃ×ÔÓÉÂäÌåÔ˶¯ÑéÖ¤»úеÄÜÊØºã¶¨ÂɵÄʵÑéÖУºÈô´òµã¼ÆÊ±Æ÷Ëù½Ó½»Á÷µçµÄƵÂÊΪ50ºÕ×È£¬¼×¡¢ÒÒÁ½ÌõʵÑéÖ½´ø£¬Èçͼ1Ëùʾ£¬Ó¦Ñ¡
¼×
¼×
Ö½´øºÃ£®ÈôÒѲâµÃµã2µ½4¼ä¾àÀëΪs1£¬µã0µ½3¼ä¾àÀëΪs2£¬´òµãÖÜÆÚΪT£¬ÑéÖ¤ÖØÎ↑ʼÏÂÂäµ½´òµã¼ÆÊ±Æ÷´òϵã3Õâ¶Îʱ¼äÄÚ»úеÄÜÊØºã£¬s1¡¢s2ºÍTÓ¦Âú×ãµÄ¹ØÏµÎªT=
S1
2
2gS2
S1
2
2gS2
£®

£¨3£©Ó°ÏìÎïÖʲÄÁϵç×èÂʵÄÒòËØºÜ¶à£®Ò»°ã½ðÊô²ÄÁϵĵç×èÂÊËæÎ¶ȵÄÉý¸ßÔö´ó£¬¶ø°ëµ¼Ìå²ÄÁϵĵç×èÂÊÔòËæÎ¶ȵÄÉý¸ß¶ø¼õС£®Ä³Ð£Ñо¿ÐÔѧϰС×éΪÁËÑо¿Ä³ÖÖµ¼µç²ÄÁϵĵ¼µçÌØÐÔ£¬ËûÃÇÓøÃÖÖ²ÄÁÏÖÆ×÷³Éµç×èÖµ½ÏСµÄÏß×´Ôª¼þz×öʵÑ飬ËùÓõçѹ±íµÄÁ¿³ÌΪ3V£¬µçÁ÷±íµÄÁ¿³ÌΪ3A£¬²âµÃÔª¼þZÖеĵçÁ÷ÓëÏàÓ¦µçѹµÄ9×éÊý¾Ý±êÔÚI-UͼÉÏ£®
¢ÙËûÃǽøÐÐʵÑéӦѡÓõÄʵÎïµç·ͼÊÇͼ2ÖеÄ
C
C
£®

¢ÚÔÚ½»Á÷ÆÀ¼Û¹ý³ÌÖÐijͬѧÌá³ö£¬ÓÐ2×éʵÑéÊý¾Ý´æÔÚÃ÷ÏԵĴíÎó£¬ÄãÈÏΪÊÇ
C¡¢D
C¡¢D
£¨Ö»ÐèÌîÉÏÓë¸ÃÊý¾Ý¶ÔÓ¦µÄµãO¡¢A¡¢B¡­£©
¢ÛÇëÔÚͼ3ÉÏ»­³öÔª¼þZµÄ·ü°²ÌØÐÔÇúÏߣ¬ÅжÏÔª¼þZÊÇ
°ëµ¼Ìå
°ëµ¼Ìå
²ÄÁÏ£¨¡°½ðÊô¡±»ò¡°°ëµ¼Ì塱£©£®
£¨2010?³É¶¼¶þÄ££©£¨1£©ÔÚÑéÖ¤¡°»úеÄÜÊØºã¶¨ÂÊ¡±µÄÊÔÑéÖУº
¢ÙÏÂÃæÐðÊöÕýÈ·µÄÊÇ
AB
AB
£¨ÌîÐòºÅ×Öĸ£©
A£®Ñ¡ÓõÄÖØÎïµÄÌå»ýÓ¦µ±Ð¡Ò»Ð©
B£®²Ù×÷ʱӦÏÈͨµçÔÙÊÍ·ÅÖ½´ø
C£®Ó¦¸ÃÑ¡Óõ㼣ÇåÎú£¬ÇÒµÚÒ»¡¢¶þÁ½µã¼äµÄ¾àÀë½Ó½ü2mmµÄÖ½´ø½øÐзÖÎö
D£®µç´Å´òµã¼ÆÊ±Æ÷¶¼Ó¦½ÓÔÚµçѹΪ20VµÄ½»Á÷µçÔ´ÉÏ
¢ÚʵÑéÊÒÓÐÏÂÁÐÆ÷²Ä¿É¹©Ñ¡ÓãºÌú¼Ų̈£¬µç´Å´òµã¼ÆÊ±Æ÷£¨°üÀ¨¸´Ð´Ö½£©£¬Ö½´ø£¬Í£±í£¬µÍѹ½»Á÷µçÔ´£¨´ø¿ª¹Ø£©£¬µ¼Ïߣ¬ÌìÆ½£¬¿Ì¶È³ß£®
ÆäÖв»±ØÒªµÄÆ÷²ÄÓÐ
Í£±í£¬ÌìÆ½
Í£±í£¬ÌìÆ½
£»È±ÉÙµÄÆ÷²ÄÊÇ
ÖØÎï
ÖØÎï
£®
£¨2£©Ä³Í¬Ñ§Ïë²âij¸öµç×èµÄµç×èÖµRx£¨Ô¼Îª130¦¸£©£¬Îª´ËËûÕÒÀ´ÏÂÁÐÆ÷²Ä£º
A£®µçÁ÷E£ºµç¶¯ÊÆÔ¼Îª1.5V£¬ÄÚ×è¿ÉºöÂÔ²»¼Æ
B£®µçÁ÷±íA1£ºÁ¿³ÌΪ0¡«10mA£¬ÄÚµç×èr1=10¦¸
C£®µçÁ÷±íA2£ºÁ¿³ÌΪ0¡«20mAµç×èr2ԼΪ5¦¸
D£®¶¨Öµµç×èR0£º×èÖµR0=90¦¸
E£®»¬¶¯±ä×èÆ÷R1£º×î´ó×èֵΪ20¦¸
F£®»¬¶¯±ä×èÆ÷R2£º×î´ó×èֵΪ1000¦¸
G£®µ¥µ¶µ¥ÖÀ¿ª¹ØS£¬µ¼ÏßÈô¸É
¢Ù¸ÃͬѧµÄÉè¼ÆË¼Â·ÊÇ£ºÏȽ«ÆäÖÐÒ»Ö»µçÁ÷±í¸Ä×°³Éµçѹ±í£¬È»ºóÀûÓ÷ü°²·¨²â³öRx£®ÎªÁ˾¡Á¿×¼È·µÄ²â³öRxµÄ×èÖµ£¬ÇëÄã¸ù¾ÝÕÒµ½µÄÆ÷²ÄºÍ¸ÃͬѧµÄÉè¼ÆË¼Â·£¬ÔÚÐéÏß¿òÄÚ»­³öʵÑéµç·ͼ£¬²¢±ê³öÆ÷²Ä·ûºÅ£®
¢ÚÄãËùÑ¡ÓõϬ¶¯±ä×èÆ÷ÊÇ
R1
R1
£¨ÌîÆ÷²ÄÐòºÅ×Öĸ»òÆ÷²Ä·ûºÅ£©£®
¢ÛÈôij´Î²âÁ¿ÖеçÁ÷±íA1µÄʾÊýΪI1£¬µçÁ÷±íA2µÄʾÊýΪI2£¬ÔòRxµÄ±í´ïʽΪ£ºRx=
I1(R0+r1)
I2-I1
I1(R0+r1)
I2-I1
£®

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

¾«Ó¢¼Ò½ÌÍø