£¨1£©ÔÚÓ÷ü°²·¨²âÁ¿Ò»¸ö¶¨Öµµç×è×èÖµµÄʵÑéÖÐÌṩÁËÈçÏÂÆ÷²Ä£º
¢Ù´ý²âµç×èRx£¨Ô¼100¦¸£©£»
¢ÚÖ±Á÷ºÁ°²±í£¨Á¿³Ì0¡«20mA£¬ÄÚ×èÔ¼50¦¸£©£»
¢ÛÖ±Á÷µçѹ±í£¨Á¿³Ì0¡«3V£¬ÄÚ×èÔ¼5k¦¸£©£»
¢ÜÖ±Á÷µçÔ´£¨Êä³öµçѹ3V£¬ÄÚ×è¿É²»¼Æ£©£»
¢Ý»¬¶¯±ä×èÆ÷£¨×èÖµ·¶Î§0¡«15¦¸£¬ÔÊÐí×î´óµçÁ÷1A£©£»
¢Þµç¼üÒ»¸ö£¬µ¼ÏßÈô¸ÉÌõ£®
ʵÑéÒªÇó×î´óÏ޶ȵļõСÎó²î£¬ÔòºÁ°²±íµÄÁ¬½ÓӦѡÔñ______£¨Ìî¡°ÄÚ½Ó¡±»ò¡°Íâ½Ó¡±£©µÄÁ¬½Ó·½Ê½£»»¬¶¯±ä×èÆ÷µÄÁ¬½ÓӦѡÔñ______£¨Ìî¡°ÏÞÁ÷¡±»ò¡°·Öѹ¡±£©µÄÁ¬½Ó·½Ê½£®
£¨2£©ÓÃÈçͼ1ËùʾµÄµç·²âÁ¿Ò»½ÚÐîµç³ØµÄµç¶¯ÊƺÍÄÚµç×裮Ðîµç³ØµÄµç¶¯ÊÆԼΪ2V£¬ÄÚµç×èºÜС£®³ýÐîµç³Ø¡¢¿ª¹Ø¡¢µ¼ÏßÍ⣬¿É¹©Ê¹ÓõÄʵÑéÆ÷²Ä»¹ÓУº
A¡¢µçѹ±í£¨Á¿³Ì3V£©B¡¢¶¨Öµµç×èR0£¨×èÖµ4¦¸£¬¶î¶¨¹¦ÂÊ4W£©
C¡¢µçÁ÷±í£¨Á¿³Ì3A£©D¡¢µçÁ÷±í£¨Á¿³Ì0.6A£©
E¡¢»¬¶¯±ä×èÆ÷R£¨×èÖµ·¶Î§0-20¦¸£¬¶î¶¨µçÁ÷1A£©
¢ÙµçÁ÷±íӦѡ______£»£¨ÌîÆ÷²ÄÇ°µÄ×Öĸ´úºÅ£©£®
¢Ú¸ù¾ÝʵÑéÊý¾Ý×÷³öU-IͼÏó£¨Èçͼ2Ëùʾ£©£¬ÔòÐîµç³ØµÄµç¶¯ÊÆE=______V£¬ÄÚ×èr=______¦¸£»£¨¾ù±£ÁôÈýλÓÐЧÊý×Ö£©
£¨1£©£ºÓÉÓÚ´ý²âµç×è×èÖµ½ÏС£¬Âú×ã
RV
Rx
£¾
Rx
RA
£¬ËùÒÔµçÁ÷±íÓ¦ÓÃÍâ½Ó·¨£»ÓÉÓÚ»¬¶¯±ä×èÆ÷µÄÈ«µç×èԶСÓÚ´ý²âµç×裬ËùÒÔ±ä×èÆ÷Ó¦²ÉÓ÷Öѹʽ½Ó·¨£»
£¨2£©£º¢Ù£º¸ù¾Ý±ÕºÏµç·ŷķ¶¨ÂÉ¿ÉÖª£¬Í¨¹ýµç·µÄ×î´óµçÁ÷Ϊ£º
Imax
=
E
R0
=
2
4
A=0.5A
£¬ËùÒÔµçÁ÷±íӦѡD£»
¢Ú£º¸ù¾Ý±ÕºÏµç·ŷķ¶¨ÂÉÓ¦ÓÐU=E-Ir£¬±äÐÎΪ£ºU=-rI+E£¬¸ù¾Ýº¯ÊýбÂʺͽؾàµÄ¸ÅÄî¿ÉÖª£¬U-IͼÏóµÄ½Ø¾à±íʾµç¶¯ÊÆ£¬Ð±Âʾø¶ÔÖµ±íʾÄÚ×èµÄ´óС£¬
¹ÊE=2.10V
r=
¡÷U
¡÷I
=
2.10-0.42
0.40
=4.20¦¸
¹Ê´ð°¸Îª£º£¨1£©Íâ½Ó£¬·Öѹ
£¨2£©¢ÙD£»¢Ú2.10V£¬4.20¦¸£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£º¼ÆËãÌâ


ÐòºÅ
A1ʾÊý(A)
A2ʾÊý(A)
V1ʾÊý(V)
V2ʾÊý(V)
1
0.60
0.30
2.40
1.20
2
0.44
0.32
2.56
0.48
(1)µç·ÖУ¬·Ö±ðΪµçÔ´µÄµç¶¯ÊƺÍÄÚ×裬£¬£¬Îª¶¨Öµµç×裬ÔÚÕâÎå¸öÎïÀíÁ¿ÖУ¬³ýÁ˵ç×èÒÔÍ⻹¿É¸ù¾ÝÉϱíÖеÄÊý¾ÝÇóµÃµÄÎïÀíÁ¿ÊÇ£º

£¨²»ÒªÇó¾ßÌå¼ÆË㣩           ºÍ           ¡£
(2)ÓÉÓڵ緷¢Éú¹ÊÕÏ£¬·¢ÏÖÁ½µçѹ±íʾÊýÏàͬÁË£¨µ«²»ÎªÁ㣩£¬ÈôÕâÖÖÇé¿öµÄ·¢ÉúÊÇÓÉÓõçÆ÷ÒýÆðµÄ£¬Ôò¹ÊÕÏÔ­Òò¿ÉÄÜÓÐÁ½¸ö£º
a£ºÈôR2ÊÇÍêºÃµÄ£¬Ôò                   £»
b£ºÈôRPÊÇÍêºÃµÄ£¬Ôò                   ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£º¼ÆËãÌâ

ÈçͼËùʾµÄµç·ÖÐ1¡¢2¡¢3¡¢4¡¢5¡¢6ΪÁ¬½ÓµãµÄ±êºÅ.ÔÚ¿ª¹Ø±ÕºÏºó£¬·¢ÏÖСµÆÅݲ»ÁÁÏÖÓõç±í¼ì²éµç·¹ÊÕÏ£¬ÐèÒª¼ì²âµÄÓУºµçÔ´¡¢¿ª¹Ø¡¢Ð¡µÆÅÝ¡¢3¸ùµ¼ÏßÒÔ¼°µç·Öеĸ÷Á¬½Óµã.
(1)ΪÁ˼ì²âСµÆÅݼ°3¸ùµ¼Ïߣ¬ÔÚÁ¬½Óµã1¡¢2ÒѽӺõÄÇé¿öÏ£¬Ó¦µ±Ñ¡ÓöàÓõç±íµÄ¡¡¡¡      µ²¡£ÔÚÁ¬½Óµã1¡¢2ͬʱ¶Ï¿ªµÄÇé¿öÏ£¬Ó¦µ±Ñ¡ÓöàÓõç±íµÄ¡¡¡¡      µ²¡£
(2)ÔÚ¿ª¹Ø±ÕºÏÇé¿öÏ£¬Èô²âµÃ5¡¢6Á½µã¼äµÄµçѹ½Ó½üµçÔ´µÄµç¶¯ÊÆ£¬Ôò±íÃ÷______________¿ÉÄÜÓйÊÕÏ¡£
(3)СµÆÅݲðÀëµç·£¬Ð´³öÓöàÓõç±í¼ì²â¸ÃСµÆÅÝÊÇ·ñÓйÊÕϵľßÌå²½Öè¡£
___________________________________________________________________________________________________________________________________________________________________¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÌî¿ÕÌâ

ʵÑéÊÒÖÐÏÖÓÐÈçÏÂÆ÷²Ä£ºµç³ØE£¨µç¶¯ÊÆ6V£©µçÁ÷±íA£¨Á¿³Ì0.6A£©µçѹ±íVl£¨Á¿³Ì3V£¬ÄÚ×èδ֪£©µçѹ±íV2£¨Á¿³Ì3V£¬ÄÚ×è10K¦¸£©»¬¶¯±ä×èÆ÷R1£¨×î´ó×èÖµÔ¼20¦¸£©»¬¶¯±ä×èÆ÷R2£¨×î´ó×èÖµ10¦¸£©¿ª¹ØSºÍµ¼ÏßÈô¸ÉijͬѧÉè¼ÆÁËÒ»¸öͬʱ²â¶¨»¬¶¯±ä×èÆ÷R1×î´ó×èÖµºÍµçѹ±íVlÄÚ×èµÄʵÑéµç·£¬ÈçͼËùʾ£®Èôij´ÎʵÑéÖеçÁ÷±íµÄʾÊýÓÃI±íʾ£¬µçѹ±íVl¡¢V2µÄʾÊý·Ö±ðÓÃU1¡¢U2±íʾ£¬µçѹ±íV2µÄÄÚ×èÓÃr2±íʾ£¬ÔòR1µÄ×î´ó×èÖµR1m=______£»µçѹ±íVlµÄÄÚ×èr1=______£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÌî¿ÕÌâ

Ñõ»¯ÎýÊÇÒ»ÖÖ¶ÔÆøÌåÖоƾ«º¬Á¿Ãô¸ÐµÄ²ÄÁÏ£ºµ±ÖÜΧÆøÌåÖоƾ«Å¨¶È·¢Éú±ä»¯Ê±£¬Æä×èÖµÒ²»á·¢Éú±ä»¯£®Ð¡Ã÷ΪÑо¿Ä³ÐͺÅÑõ»¯Îý¼ì²âµç×èåëµÄ×èÖµËæÆøÌåÖоƾ«Å¨¶È±ä»¯µÄ¹Øϵ£¬²ÉÓÃÌâͼ1ËùʾʵÑé×°ÖýøÐÐʵÑ飺ÔÚ¿ÉÒÔÖ±½Ó²âµÃ¾Æ¾«Å¨¶ÈµÄÈÝÆ÷ÖÐÅçÈëÎí×´¾Æ¾«£¬±ÕºÏµç·£¬µ÷½Ú»¬¶¯±ä×èÆ÷µÄ×èÖµÖÁÊʵ±Öµ£¬¶Á³öµçѹ±íºÍµçÁ÷±íµÄʾÊý£¬¸Ä±äÅçÈëÎí×´¾Æ¾«µÄÁ¿£¬Öظ´ÉÏÊöʵÑ飬¼ÆËã³ö·çµÄÖµ£®¼´¿ÉµÃµ½µç×èµÄ×èÖµËæÆøÌåÖоƾ«Å¨¶È±ä»¯µÄ¹ØϵͼÏߣ®
£¨1£©Ã¿´ÎʵÑé֮ǰ£¬Ð¡Ã÷¶¼Ó¦ÏȽ«»¬¶¯±ä×èÆ÷RµÄ»¬¶¯Æ¬ÖÃÓÚ______¶Ë£¨Ñ¡Ìî¡°a¡±»ò¡°b¡±£©£º
£¨2£©Ð¡Ã÷ÔÚʵÑéÖвâµÃ¶à×éÊý¾ÝÈçϱíËùʾ£º
ʵÑé´ÎÊý12345678
ÆøÌåÖоƾ«Å¨¶È£¨mg/L£©0.0l0.020.040.060.070.090.120.15
µçѹ±íʾÊý£¨V£©2.002.402.201.601.401.201.000.86
µçÁ÷±íʾÊý£¨A£©0.100.150.200.200.200.200.200.20
µç×èµÄ×èÖµ£¨¦¸£©20118754.3
ÇëÔÚÌâͼ2ËùʾµÄ×ø±êϵÖÐÃè»æ³ö·²µÄ×èÖµËæÆøÌåÖоƾ«Å¨¶È±ä»¯µÄ¹ØϵͼÏߣ»
£¨3£©ÎÒ¹ú¡¶µÀ·½»Í¨°²È«·¨¡·¹æ¶¨£ºÑϽû¾Æºó¼Ý³µ!²ÎÕÕ¡¶³µÁ¾¼ÝÊ»ÈËÔ±ºôÆø¾Æ¾«º¬Á¿ãÐÖµÓë¼ìÑé±ê×¼£¨GBl9522£©¡·£¬ºôÆøÖоƾ«Å¨¶È´óÓÚµÈÓÚ0.09mg/L¾ÍÊôÓھƺó¼Ý³µ£®Ð¡Ã÷ÓøÃÐͺÅÑõ»¯Îý¼ì²âµç×èRÖƳÉÒ»¸ö¼òÒ׵ľƼݲâÊÔÒÇ£®¸ø¶¨ÏÂÁÐÆ÷²ÄºÍÒªÇó£¬ÇëÄãÔÚÌâͼ3ÖаïËûÁ¬½ÓʵÎïͼ£»
Æ÷²Ä£ºµçÔ´£¨E=6V£¬r=2¦¸£©¡¢¿ª¹ØS¡¢Ñõ»¯Îý¼ì²âµç×èRx¡¢¶¨Öµµç×èR0¡¢ÀíÏëµçѹ±í¡¢µ¼Ïߣ®
ÒªÇ󣺱պϿª¹ØS£¬¼ì²âÕߺô³öÆøÌåÁ÷¾­Rx£®Èôµçѹ±í¶ÁÊý´óÓÚµÈÓÚ1.2V£¬Ôò¼ì²âÕßÊôÓھƺó¼Ý³µ£»Èôµçѹ±í¶ÁÊýСÓÚ1.2V£¬Ôò²»ÊôÓھƺó¼Ý³µ£®
£¨4£©ÔÚ£¨3£©ÎÊÖУ¬¶¨Öµµç×èR0µÄ×èֵӦΪ______¦¸£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÌî¿ÕÌâ

£¨1£©ÓÃÂÝÐý²â΢Æ÷²âÁ¿Ò»½ðÊôË¿µÄÖ±¾¶Èçͼ¼×Ëùʾ£®¸Ã½ðÊôË¿µÄÖ±¾¶ÊÇ______mm£»
ÓÃ20µÈ·Ö¿Ì¶ÈµÄÓα꿨³ß²âÒ»¹¤¼þµÄ³¤¶ÈÈçͼÒÒËùʾ£¬Ôò¸Ã¹¤¼þµÄ³¤¶ÈÊÇ______cm£®

£¨2£©ÓöàÓõç±í½øÐÐÁ˼¸´Î²âÁ¿£¬Ö¸Õë·Ö±ð´¦ÓÚaºÍbµÄλÖã¬Èçͼ±ûËùʾ£®Èô¶àÓõç±íµÄÑ¡Ôñ¿ª¹Ø´¦ÓÚÏÂÃæ±í¸ñÖÐËùÖ¸µÄµ²Î»£¬aºÍbµÄÏàÓ¦¶ÁÊýÊǶàÉÙ£¿ÇëÌîÔÚ±í¸ñÖУ®
Ö¸ÕëλÖÃÑ¡Ôñ¿ª¹ØËù´¦µ²Î»¶ÁÊý
aÖ±Á÷µçÁ÷100mA______mA
Ö±Á÷µçѹ2.5V______V
bµç×è¡Á100______¦¸
£¨3£©ÊµÑé×ÀÉÏ·Åמ§Ìå¶þ¼«¹Ü¡¢µç×è¡¢µçÈÝÆ÷¸÷Ò»Ö»£¬ÐÔÄܾùÕý³££¬ÍâÐÎÊ®·ÖÏàËÆ£¬ÏÖ½«¶àÓñíת»»¿ª¹Ø²¦µ½R¡Á100¦¸µ²£¬·Ö±ð²âËüÃǵÄÕý¸ºµç×è¼ÓÒÔ¼ø±ð£º
²â¼×Ôª¼þʱ£¬RÕý=R·´=0.5k¦¸£»
²âÒÒÔª¼þʱ£¬RÕý=0.5k¦¸£¬R·´=100k¦¸£»
²â±ûÔª¼þʱ£¬¿ªÊ¼Ö¸Õëƫתµ½0.5k¦¸£¬½Ó×ŶÁÊýÖð½¥Ôö¼Ó£¬×îºóÍ£ÔÚ100k¦¸ÉÏ£®Ôò¼×¡¢ÒÒ¡¢±ûÈý¸öÔª¼þ·Ö±ðÊÇ______
A£®µçÈÝ¡¢µç×è¡¢¶þ¼«¹Ü¡¡¡¡¡¡¡¡B£®µç×è¡¢µçÈÝ¡¢¶þ¼«¹Ü
C£®µç×è¡¢¶þ¼«¹Ü¡¢µçÈÝD£®¶þ¼«¹Ü¡¢µç×è¡¢µçÈÝ£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÌî¿ÕÌâ

ijµçѹ±íÄÚ×èÔÚ20K¦¸¡«40K¦¸Ö®¼ä£¬ÊµÑéÊÒÌṩÏÂÁпÉÒÔÑ¡ÓõÄÆ÷²Ä£º
´ý²âµçѹ±íV£¨Á¿³ÉΪ3V£©µçÁ÷±íA1£¨Á¿³ÉΪ200¦ÌA£©
µçÁ÷±íA2£¨Á¿³ÉΪ5mA£©µçÁ÷±íA3£¨Á¿³ÉΪ0.6A£©
»¬¶¯±ä×èÆ÷R£¨×î´ó×èֵΪ1K¦¸£©µçÔ´E£¨µç¶¯ÊÆ4V£©µç¼üK
£¨1£©ËùÌṩµÄµçÁ÷±íӦѡ______
£¨2£©ÎªÁ˼õСÎó²î¶à²â¼¸×éÊý¾Ý£¬ÊÔ»­³ö·ûºÏÒªÇóµÄʵÑéµç·ͼ£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÎÊ´ðÌâ

ijͬѧ²ÉÓ÷ü°²·¨²â¶¨Ò»¶Î×èֵԼΪ5¦¸×óÓҵĽðÊôË¿µÄµç×裮ÓÐÒÔÏÂÆ÷²Ä¿É¹©Ñ¡Ôñ£º£¨ÒªÇó²âÁ¿½á¹û¾¡Á¿×¼È·£©
A£®µç³Ø×飨3V£¬ÄÚ×èÔ¼1¦¸£©
B£®µçÁ÷±í£¨0-3A£¬ÄÚ×èÔ¼0.025¦¸£©
C£®µçÁ÷±í£¨0-0.6A£¬ÄÚ×èÔ¼0.125¦¸£©
D£®µçѹ±í£¨0-3V£¬ÄÚ×èÔ¼3k¦¸£©
E£®µçѹ±í£¨0-15V£¬ÄÚ×èÔ¼15k¦¸£©
F£®»¬¶¯±ä×èÆ÷£¨0-20¦¸£¬¶î¶¨µçÁ÷1A£©
G£®»¬¶¯±ä×èÆ÷£¨0-1000¦¸£¬¶î¶¨µçÁ÷0.3A£©
H£®¿ª¹Ø£¬µ¼Ïß
ʵÑéʱӦѡÓõÄÆ÷²ÄÊÇ______£¨Ìîд¸÷Æ÷²ÄµÄ×Öĸ´úºÅ£©£®
ÇëÔÚͼ1ÐéÏß¿òÖл­³öʵÑéµç·ͼ£®

ÕâλͬѧÔÚÒ»´Î²âÁ¿Ê±£¬µçÁ÷±í¡¢µçѹ±íµÄʾÊýÈçͼ2Ëùʾ£®ÓÉͼÖеçÁ÷±í¡¢µçѹ±íµÄ¶ÁÊý¿É¼ÆËã³ö½ðÊôË¿µÄµç×èΪ______¦¸£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÌî¿ÕÌâ

ÓÐÒ»´ý²âµç×èRx£¬ÎÞ·¨¹À¼ÆÆä´ÖÂÔÖµ£®Ä³Í¬Ñ§Ó÷ü°²·¨½øÐвâÁ¿£¬°´Í¼Ëùʾ£¨¼×£©¡¢£¨ÒÒ£©Á½Öֵ緸÷²âÒ»´Î£¬Ó㨼ף©Í¼²âµÃµÄÊý¾ÝÊÇ2.9V£¬4.0mA£»Óã¨ÒÒ£©Í¼²âµÃµÄÊý¾ÝÊÇ3.0V£¬3.0mA£®ÓÉ´Ë¿ÉÖª£¬Ó¦ÓÃ______ͼ²âÁ¿µÄÖµÎó²î½ÏС£¬²âÁ¿ÖµRx=______¦¸£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸