ÌâÄ¿ÄÚÈÝ

ÈçͼËùʾ£¬ºÍΪˮƽ·ÅÖõĹ⻬ƽÐе¼¹ì£¬ÇøÓòÄÚ³äÂú·½ÏòÊúÖ±ÏòÉϵÄÔÈÇ¿´Å³¡¡£¡¢¼äµÄ¿í¶ÈÊÇ¡¢¼ä¿í¶ÈµÄ2±¶¡£Éèµ¼¹ì×ã¹»³¤£¬µ¼Ìå°ôµÄÖÊÁ¿ÊǵÄÖÊÁ¿µÄ2±¶¡£ÏÖ¸øµ¼Ìå°ôÒ»¸ö³õËÙ¶È£¬Ñص¼¹ìÏò×óÔ˶¯£¬ÏÂÁÐ˵·¨ÕýÈ·µÄ(      )

A£®¡¢Á½°ô×é³ÉµÄϵͳÔÚÏ໥×÷Óùý³ÌÖж¯Á¿Êغã
B£®¡¢Á½°ô×é³ÉµÄϵͳÔÚ´ïµ½Îȶ¨Ê±¶¯Á¿Êغã
C£®¡¢Á½°ôÔÚ´ïµ½Îȶ¨Ê±£¬ËÙ¶È´óС֮±ÈΪ1:2
D£®¡¢Á½°ôÔÚ´ïµ½Îȶ¨Ê±£¬ËÙ¶È´óС֮±ÈΪ1:1

BC

½âÎö±¾Ì⿼²é¶¯Á¿Êغ㶨ÂÉ£»µ¼ÌåÇиî´Å¸ÐÏßʱµÄ¸ÐÓ¦µç¶¯ÊÆ£»µç´Å¸ÐÓ¦ÖеÄÄÜÁ¿×ª»¯¡£½â´ð±¾ÌâµÄ¹Ø¼üÊÇÒªÅжÏÌâÄ¿Ëù¸øµÄ¹ý³ÌÊÇ·ñÂú×ãÊØºãµÄÌõ¼þ¡¢ÖªµÀÁ½°ôÔÚ´ïµ½Îȶ¨Ê±×öÔÈËÙÖ±ÏßÔ˶¯£¬´Ëʱ»ØÂ·ÖеçÁ÷ΪÁã¡£ÒòΪµ±£¬Ôڹ⻬ˮƽ¹ìµÀÉÏÔ˶¯Ê±£¬ËüÃÇËùÊܵ½µÄºÏÁ¦²¢²»ÎªÁ㣬 £¬£¨ÉèΪ»ØÂ·ÖеĵçÁ÷£©£¬ÓÖ¶¯Á¿ÊغãµÄÌõ¼þÊÇ£ºÏµÍ³ËùÊܵĺÏÍâÁ¦ÎªÁ㣬Òò´Ë¡¢Á½°ô×é³ÉµÄϵͳÔÚÏ໥×÷Óùý³ÌÖж¯Á¿²»Êغ㡣¡¢Á½°ô×é³ÉµÄϵͳÔÚ´ïµ½Îȶ¨Ê±£¬ÏµÍ³ËùÊܺÏÍâÁ¦ÎªÁ㣬ϵͳ¶¯Á¿Êغ㣬¹ÊA´íÎó£¬BÕýÈ·£»µ±µ¼Ìå°ôÒ»¸ö³õËÙ¶È£¬Ñص¼¹ìÏò×óÔ˶¯ºó£¬Çиî´Å¸ÐÏß²úÉú¸ÐÓ¦µçÁ÷¡£°ôÊܵ½°²ÅàÁ¦×÷Óöø¼õËÙ£¬°ôÊܵ½°²ÅàÁ¦¶ø¼ÓËÙ£¬°ôÔ˶¯ºóÒ²½«²úÉú¸ÐÓ¦µç¶¯ÊÆ£¬Óë°ô¸ÐÓ¦µç¶¯ÊÆ·´Ïò£¬Òò´Ë»ØÂ·ÖеĵçÁ÷½«¼õС¡£×îÖÕ´ïµ½ÔÈËÙÔ˶¯Ê±£¬»ØÂ·µÄµçÁ÷ΪÁã¡£ËùÒÔ , ¼´£º ,  £¬¹ÊCÕýÈ·£¬D´íÎó¡£
Òò´ËÑ¡BC¡£

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

 I.ÔÚ¡°Ãè»æÐ¡µçÖéµÄ·ü°²ÌØÐÔÇúÏß¡±µÄʵÑéÖб¸ÓÐÏÂÁÐÆ÷²Ä£º

A£®Ð¡µçÖé(3.8 V,1.5 W)

B£®Ö±Á÷µçÔ´(µç¶¯ÊÆ4.5 V£¬ÄÚ×èÔ¼0.4 ¦¸)

C£®µçÁ÷±í(Á¿³Ì0¡«500 mA£¬ÄÚ×èÔ¼0.5 ¦¸)

D£®µçѹ±í(Á¿³Ì0¡«5 V£¬ÄÚ×èÔ¼5000 ¦¸)

E£®»¬¶¯±ä×èÆ÷R1(0¡«5 ¦¸£¬¶î¶¨µçÁ÷2 A)

F£®»¬¶¯±ä×èÆ÷R2(0¡«5K ¦¸£¬¶î¶¨µçÁ÷1 A)

G£®¿ª¹ØÒ»¸ö£¬µ¼ÏßÈô¸É

Èç¹û¼ÈÒªÂú×ã²âÁ¿ÒªÇó£¬ÓÖҪʹ²âÁ¿Îó²î½ÏС£¬Ó¦Ñ¡ÔñÈçͼËùʾµÄËĸöµç·ÖеÄ________£¬Ó¦Ñ¡ÓõϬ¶¯±ä×èÆ÷ÊÇ________£®

II.ÔÚÑéÖ¤¶¯Á¿Êغ㶨ÂÉʵÑéÖУ¬Í¬Ñ§ÃDz»½öÍê³ÉÁ˿α¾Ô­À´µÄʵÑ飬»¹ÓÃÏàͬµÄÆ÷²Ä½øÐÐ¶à·½ÃæµÄ̽Ë÷¼°³¢ÊÔ¡£ÏÂÃæÊǼס¢ÒÒÁ½×éͬѧµÄʵÑ飬Çë»Ø´ðÏà¹ØµÄÎÊÌ⣺

¼××éͬѧ²ÉÓÃÈçͼ1ËùʾµÄ×°Öã¬ÓÉб²ÛºÍˮƽ²Û¹¹³É¡£½«¸´Ð´Ö½Óë°×Ö½ÆÌÔÚˮƽ·ÅµÄľ°åÉÏ£¬ÖØ´¹ÏßËùÖ¸µÄλÖÃΪO¡£ÊµÑéʱÏÈʹaÇò´Óб²ÛÉÏijһ¹Ì¶¨Î»ÖÃÓɾ²Ö¹¿ªÊ¼¹öÏ£¬Â䵽λÓÚˮƽµØÃæµÄ¼Ç¼ֽÉÏ£¬ÁôϺۼ££®Öظ´ÉÏÊö²Ù×÷¶à´Î£¬µÃµ½¶à¸öÂäµãºÛ¼£Æ½¾ùλÖÃP£»ÔÙ°ÑbÇò·ÅÔÚˮƽ²ÛÉÏ¿¿½ü²ÛÄ©¶ËµÄµØ·½£¬ÈÃaÇòÈԴӹ̶¨Î»ÖÃÓɾ²Ö¹¿ªÊ¼¹öÏ£¬ÓëbÇò·¢Éú¶ÔÐÄÕýÅö£¬ÅöºóaÇò²»±»·´µ¯¡£Åöײºóa¡¢bÇò·Ö±ðÔڼǼֽÉÏÁôϸ÷×ÔµÄÂäµãºÛ¼££®Öظ´ÕâÖÖ²Ù×÷¶à´ÎµÃµ½¶à¸öÂäµãºÛ¼£Æ½¾ùλÖÃM¡¢N.

(1)ÈôaÇòÖÊÁ¿Îªm1£¬°ë¾¶Îªr1£»bÇòÖÊÁ¿Îªm2£¬°ë¾¶Îªr2. Ôò      

A£®m1>m2¡¡r1>r2    B£®m1>m2¡¡r1<r2

C£®m1>m2¡¡r1£½r2   D£®m1<m2¡¡r1£½r2

(2)ÒÔÏÂÌṩµÄÆ÷²ÄÖУ¬±¾ÊµÑ鱨ÐèµÄÓР      

A£®¿Ì¶È³ß           B£®´òµã¼ÆÊ±Æ÷

C£®ÌìÆ½             D£®Ãë±í

(3)ÉèaÇòµÄÖÊÁ¿Îªm1£¬bÇòµÄÖÊÁ¿Îªm2£¬Ôò±¾ÊµÑéÑéÖ¤¶¯Á¿Êغ㶨Âɵıí´ïʽΪ(ÓÃm1¡¢m2¡¢OM¡¢OP¡¢ON±íʾ)                                      

 

ÒÒ×éͬѧÎó½«ÖØ´¸¶ªÊ§£¬ÎªÁ˼ÌÐøÍê³ÉʵÑéÔò½«°åб·Å£¬É϶˸պÃÔÚ²Û¿ÚÅ׳öµã£¬±ê¼ÇΪO.°å×ã¹»³¤Ð¡Çò¶¼ÄÜÂäÔÚ°åÉÏ£¬Èçͼ2£¬²ÉÓü××éͬѧÏàͬµÄ²Ù×÷²½ÖèÍê³ÉʵÑé¡£

(4)¶Ô¸Ã×éͬѧʵÑéµÄÅжÏÕýÈ·µÄÊÇ      

A£®ÒÒ×éͬѧÎÞ·¨Íê³ÉÑéÖ¤¶¯Á¿Êغ㶨ÂÉ 

B£®Ãë±íÒ²²»ÊÇÒÒ×éͬѧµÄ±ØÐèÆ÷²Ä

C£®ÒÒ×éͬѧ±ØÐë²âÁ¿Ð±ÃæÇã½Ç¦È      

D£®Í¼2ÖÐNΪbÇòÅöºóÂäµã

(5)ÉèaÇòµÄÖÊÁ¿Îªm1£¬bÇòµÄÖÊÁ¿Îªm2£¬Ôò±¾ÊµÑéÑéÖ¤¶¯Á¿Êغ㶨Âɵıí´ïʽΪ                    ¡£    

(6)Èç¹ûa£¬bÇòµÄÅöײÊǵ¯ÐÔÅöײ£¬ÄÇô»¹Ó¦Âú×ãµÄ±í´ïʽΪ              ¡£ (ÒªÇóµÚ(5) (6)½áÂÛÓÃm1¡¢m2¡¢OM¡¢OP¡¢ON±íʾ) 

 

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

¾«Ó¢¼Ò½ÌÍø