ÌâÄ¿ÄÚÈÝ

Èçͼ¼×ËùʾÊÇÒ»ÖÖ²âÁ¿µçÈݵÄʵÑéµç·ͼ£¬ÊµÑéÊÇͨ¹ý¶Ô¸ß×èÖµµç×è·ÅµçµÄ·½·¨²â³öµçÈÝÆ÷³äµçÖÁµçѹΪUʱËù´øµÄµçºÉÁ¿Q£¬´Ó¶øÔÙÇó³ö´ý²âµçÈÝÆ÷µÄµçÈÝC£®

ijͬѧÔÚÒ»´ÎʵÑéʱµÄÇé¿öÈçÏ£º
a£®°´Í¼¼×ËùʾµÄµç·ͼ½ÓºÃµç·£»
b£®½Óͨ¿ª¹ØS£¬µ÷½Úµç×èÏäRµÄ×èÖµ£¬Ê¹Ð¡Á¿³ÌµçÁ÷±íµÄÖ¸Õëƫת½Ó½üÂú¿Ì¶È£¬¼ÇÏ´ËʱµçÁ÷±íµÄʾÊýI0=490 ¦ÌA£¬µçѹ±íµÄʾÊýU0=8.0V£¬I0¡¢U0·Ö±ðÊǵçÈÝÆ÷·ÅµçʱµÄ³õʼµçÁ÷ºÍµçѹ£»
c£®¶Ï¿ª¿ª¹ØS£¬Í¬Ê±¿ªÊ¼¼Æʱ£¬Ã¿¸ô5s»ò10s²â¶ÁÒ»´ÎµçÁ÷iµÄÖµ£¬½«²âµÃÊý¾ÝÌîÈë±í¸ñ£¬²¢±êʾÔÚͼÒÒµÄ×ø±êÖ½ÉÏ£¨Ê±¼ätΪºá×ø±ê£¬µçÁ÷iΪ×Ý×ø±ê£©£¬½á¹ûÈçͼÖÐСºÚµãËùʾ£®
£¨1£©ÔÚͼÒÒÖл­³öi-tͼÏߣ®  
£¨2£©Í¼ÒÒÖÐͼÏßÓë×ø±êÖáËùΧ³ÉÃæ»ýµÄÎïÀíÒâÒåÊÇ
µçÈÝÆ÷³äµçµ½µçѹΪU0ʱËù´øµÄµçºÉÁ¿
µçÈÝÆ÷³äµçµ½µçѹΪU0ʱËù´øµÄµçºÉÁ¿
£®
£¨3£©¸ÃµçÈÝÆ÷µÄµçÈÝΪ
1.0¡Á10-3
1.0¡Á10-3
F£¨½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©£®
·ÖÎö£ºÓÉ¡÷Q=I?¡÷tÖª£¬µçºÉÁ¿ÎªI-tͼÏóÓë×ø±êÖáËù°üΧµÄÃæ»ý£¬¼ÆÃæ»ýʱ¿ÉÊý¸ñÊý£¨ËÄÉáÎåÈ룩£®ÏÖÓÉC=
Q
U
ÇóµÃC£®
½â´ð£º½â£º£¨1£©ÓÃƽ»¬µÄÇúÏßÁ¬½Ó£®ÈçͼËùʾ

£¨2£©ÓÉ¡÷Q=I?¡÷tÖª£¬µçºÉÁ¿ÎªI-tͼÏóÓë×ø±êÖáËù°üΧµÄÃæ»ý£ºÔòÃæ»ýΪµçÈÝÆ÷³äµçµ½µçѹΪU0ʱËù´øµÄµçºÉÁ¿£®
£¨3£©²é³ö¸ñ×ÓÊý£¬ÓÉ×ܸñ×ÓÊý³ËÒÔÿ¸ö¸ñ×ӵġ°Ãæ»ý¡±ÖµÇó£ºQ=8.0¡Á10-3C
    ÔòC=
Q
U
=
8.0¡Á10-3
8.0
=1¡Á10-3F

¹Ê´ð°¸Îª£º£¨1£©Èçͼ
          £¨2£©µçÈÝÆ÷³äµçµ½µçѹΪUʱËù´øµÄµçºÉÁ¿
           £¨3£©1.0¡Á10-3F
µãÆÀ£º¿¼²éÓÃÊýѧ·½·¨Çó½âÎïÀíÎÊÌ⣬Ã÷ȷͼÏóµÄÃæ»ýµÄÒâÒ壮
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
£¨2009?³çÎÄÇøһģ£©£¨1£©¢ÙÈçͼËùʾ£¬Óÿ̶ȳ߲âµÃÎïÌåµÄ³¤¶ÈΪ
3.42
3.42
cm£®

¢ÚÏÂÁÐʵÑéÖÐÐèÒªÓÿ̶ȳ߲âÁ¿³¤¶ÈµÄʵÑéÊÇ£º
ABCD
ABCD
£®£¨ÌîÈëÑ¡ÔñµÄ×Öĸ´úºÅ£©

£¨2£©ÏÖÓÐÁ¿³ÌIg=500¦ÌA£¬ÄÚ×èԼΪ100¦¸µÄ΢°²±íG£¬½«Æä¸Ä×°³ÉÁ¿³ÌΪ10VµÄµçѹ±í£®
¢Ù²ÉÓÃÈçͼËùʾµÄµç·²âµçÁ÷±íGµÄÄÚ×èRg£¬¿ÉÑ¡ÓõÄÆ÷²ÄÓУº

A£®µç×èÏ䣺×î´ó×èֵΪ999.9¦¸
B£®µç×èÏ䣺×î´ó×èֵΪ99999.9¦¸
C£®»¬¶¯±ä×èÆ÷£º×î´ó×èֵΪ200¦¸
D£®»¬¶¯±ä×èÆ÷£¬×î´ó×èֵΪ2k¦¸
E£®µçÔ´£ºµç¶¯ÊÆԼΪ2V£¬ÄÚ×èºÜС
F£®µçÔ´£ºµç¶¯ÊÆԼΪ6V£¬ÄÚ×èºÜС
G£®¿ª¹Ø¡¢µ¼ÏßÈô¸É
ΪÌá¸ß²âÁ¿¾«¶È£¬ÔÚÉÏÊö¿É¹©Ñ¡ÔñµÄÆ÷²ÄÖУ¬¿É±äµç×èR1ӦѡÔñ
B
B
£»¿É±äµç×èR2ӦѡÔñ
A
A
£»µçÔ´EӦѡÔñ
F
F
£®£¨ÌîÈëÑ¡ÓÃÆ÷²ÄµÄ×Öĸ´úºÅ£©
¢ÚÈô²âµÃRg=105.0¦¸£¬Ðè
´®
´®
ÁªÒ»¸ö
19895
19895
¦¸µÄµç×轫Ëü¸Ä×°³ÉÁ¿³Ì10Vµçѹ±í£®
£¨3£©Èçͼ¼×ËùʾÊÇÒ»ÖÖ²âÁ¿µçÈݵÄʵÑéµç·ͼ£¬ÊµÑéÊÇͨ¹ý¶Ô¸ß×èÖµµç×è·ÅµçµÄ·½·¨²â³öµçÈÝÆ÷³äµçÖÁµçѹUʱËù´øµÄµçºÉÁ¿Q£¬´Ó¶øÔÙÇó³ö´ý²âµçÈÝÆ÷µÄµçÈÝC£®

ijͬѧÔÚÒ»´ÎʵÑéʱµÄÇé¿öÈçÏ£º
a£®¸ù¾Ýͼ¼×ËùʾµÄµç·ͼ½ÓºÃʵÑéµç·£»
b£®±ÕºÏ¿ª¹ØS£¬µ÷½Úµç×èÏäRµÄ×èÖµ£¬Ê¹Ð¡Á¿³ÌµçÁ÷±íµÄÖ¸Õëƫת½Ó½üÂú¿Ì¶È£¬¼ÇÏ´ËʱµçÁ÷±íµÄʾÊýI0=490¦ÌA£¬µçѹ±íµÄʾÊýU0=8.0V£¨I0¡¢U0·Ö±ðÊǵçÈÝÆ÷·ÅµçʱµÄ³õʼµçÁ÷ºÍµçѹ£©£»
c£®¶Ï¿ª¿ª¹ØS£¬Í¬Ê±¿ªÊ¼¼Æʱ£¬Ã¿¸ô5s»ò10s²âÒ»´ÎµçÁ÷iÖµ£¬½«²âµÃÊý¾ÝÌîÈë±í¸ñ£¬²¢±êʾÔÚ×ø±êÖ½ÉÏ£¨Ê±¼ätΪºá×ø±ê£¬µçÁ÷iΪ×Ý×ø±ê£©ÈçͼÒÒÖкڵãËùʾ£®¸ù¾ÝÉÏÊöʵÑ飬»Ø´ðÏÂÁÐÎÊÌ⣺
¢ÙÔÚͼÒÒÖл­³öi-tͼÏߣ»
¢ÚÔÚ¢ÙÖУ¬Ãè»æµÄͼÏßÓë×ø±êÖáËùΧ³ÉÃæ»ýµÄÎïÀíÒâÒå
µçÈÝÆ÷³äµçµ½µçѹΪUʱËù´øµÄµçºÉÁ¿
µçÈÝÆ÷³äµçµ½µçѹΪUʱËù´øµÄµçºÉÁ¿
£»
¢Û¸ÃµçÈÝÆ÷µÄµçÈÝΪ
1.0¡Á10-3
1.0¡Á10-3
F£¨½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©£®

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

¾«Ó¢¼Ò½ÌÍø