ÌâÄ¿ÄÚÈÝ

18.ͼ1ΪijһÈÈÃôµç×裨µç×èÖµËæζȵĸıä¶ø¸Ä±ä£¬ÇÒ¶ÔζȺÜÃô¸Ð£©µÄI£­U¹ØϵÇúÏßͼ.

£¨1£©ÎªÁËͨ¹ý²âÁ¿µÃµ½Í¼1ËùʾI£­U¹ØϵµÄÍêÕûÇúÏߣ¬ÔÚͼ2ºÍͼ3Á½¸öµç·ÖÐӦѡÔñµÄÊÇͼ______£»¼òҪ˵Ã÷ÀíÓÉ£º¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡

¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡.

£¨µçÔ´µç¶¯ÊÆΪ9 V£¬ÄÚ×è²»¼Æ£¬»¬Ïß±ä×èÆ÷µÄ×èֵΪ0-100¦¸£©.

£¨2£©Í¼4µç·ÖУ¬µçÔ´µçѹºãΪ9 V£¬µçÁ÷±í¶ÁÊýΪ70 mA£¬¶¨Öµµç×èR1=250¦¸£¬ÓÉÈÈÃôµç×èµÄI£­U¹ØϵÇúÏß¿ÉÖª£¬ÈÈÃôµç×èÁ½¶ËµÄµçѹΪ______V£»µç×èR2µÄ×èֵΪ______¦¸.

£¨3£©¾Ù³öÒ»¸ö¿ÉÒÔÓ¦ÓÃÈÈÃôµç×èµÄÀý×Ó£º

¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡                                       ¡¡¡¡¡¡¡¡¡¡.

18.£¨1£©2£»Í¼2µç·µçѹ¿É´Ó0 Vµ÷µ½ËùÐèµçѹ£¬µ÷½Ú·¶Î§½Ï´ó.£¨»òͼ3µç·²»ÄܲâµÃ0 V¸½½üµÄÊý¾Ý£©

£¨2£©5.2£»111.8£¨111.6£­112.0¾ù¸ø·Ö£©

£¨3£©ÈÈÃôζȼƣ¨Ìá³öÆäËûʵÀý£¬Ö»ÒªºÏÀí¾ù¸ø·Ö£©


Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
£¨1£©Í¼1ΪijһÈÈÃôµç×裨µç×èÖµËæζȵĸıä¶ø¸Ä±ä£¬ÇÒ¶ÔζȺÜÃô¸Ð£©µÄI-U¹ØϵÇúÏßͼ£®ÎªÁËͨ¹ý²âÁ¿µÃµ½Í¼1ËùʾI-U¹ØϵµÄÍêÕûÇúÏߣ¬ÔÚͼ2ºÍͼ3Á½¸öµç·ÖÐӦѡÔñµÄÊÇͼ
2
2
£®£¨µçÔ´µç¶¯ÊÆΪ9V£¬ÄÚ×è²»¼Æ£¬»¬Ïß±ä×èÆ÷µÄ×èֵΪ0-100¦¸£©£®

£¨2£©£®ÔÚͼ4µç·ÖУ¬µçÔ´µçѹºãΪ9V£¬µçÁ÷±í¶ÁÊýΪ70mA£¬¶¨Öµµç×èR1=250¦¸£®ÓÉÈÈÃôµç×èµÄI-U¹ØϵÇúÏß¿ÉÖª£¬ÈÈÃôµç×èÁ½¶ËµÄµçѹΪ
5.2
5.2
V£»µç×èR2µÄ×èֵΪ
105.2
105.2
¦¸£®
£¨3£©Ò»¶àÓõç±íµÄµç×èµµÓÐÈý¸ö±¶ÂÊ£¬·Ö±ðÊÇ¡Á1¡¢¡Á10¡¢¡Á100£®ÓáÁ10µµ²âÁ¿Ä³µç×èʱ£¬²Ù×÷²½ÖèÕýÈ·£¬·¢ÏÖ±íÍ·Ö¸Õëƫת½Ç¶ÈºÜС£¬ÎªÁ˽Ï׼ȷµØ½øÐвâÁ¿£¬Ó¦»»µ½
¡Á100
¡Á100
µµ£®Èç¹û»»µµºóÁ¢¼´Óñí±ÊÁ¬½Ó´ý²âµç×è½øÐжÁÊý£¬ÄÇôȱÉٵIJ½ÖèÊÇ
µ÷Áã
µ÷Áã
£¬Èô²¹Éϸò½Öèºó²âÁ¿£¬±íÅ̵ÄʾÊýÈçͼ£¬Ôò¸Ãµç×èµÄ×èÖµÊÇ
2.2¡Á103
2.2¡Á103
¦¸£®
£¨4£©Ä³Ñо¿ÐÔѧϰС×éÀûÓÃͼ 5Ëùʾµç·²âÁ¿µç³Ø×éµÄµç¶¯ÊÆ EºÍÄÚ×èr£®¸ù¾ÝʵÑéÊý¾Ý»æ³öÈçͼ 6ËùʾµÄ R-
1I
ͼÏߣ¬ÆäÖРRΪµç×èÏä¶ÁÊý£¬IΪµçÁ÷±í¶ÁÊý£¬ÓÉ´Ë¿ÉÒԵõ½ E=
2.9
2.9
V£¬r=
0.8
0.8
¦¸£®
£¨1£©ÔÚÀûÓÃË«·ì¸ÉÉæ²â¶¨¹â²¨²¨³¤Ê±£¬Ê×Ïȵ÷½Ú¹âÔ´¡¢Â˹âƬ¡¢µ¥·ìºÍË«·ìµÄÖÐÐľùλÓÚÕÚ¹âͲµÄÖÐÐÄÖáÏßÉÏ£¬²¢Ê¹µ¥·ìºÍË«·ìÊúÖ±²¢ÇÒ»¥ÏàƽÐУ¬µ±ÆÁÉϳöÏÖÁ˸ÉÉæͼÑùºó£¬ÓòâÁ¿Í·ÉϵÄÓα꿨³ßÈ¥²âÁ¿£¬×ª¶¯ÊÖÂÖ£¬Òƶ¯·Ö»®°åʹ·Ö»®°åÖÐÐÄ¿ÌÏßÓëijÌõÃ÷ÎÆÖÐÐĶÔÆëʱ£¨ÈçͼAËùʾ£©£¬½«´ËÃ÷ÎƼÇΪ1£¬È»ºóÔÙת¶¯ÊÖÂÖ£¬·Ö»®°åÖÐÐÄ¿ÌÏßÏòÓÒÒƶ¯£¬ÒÀ´Î¾­¹ý2¡¢3¡­µÈÌõÃ÷ÎÆ£¬×îÖÕÓëÃ÷ÎÆ6ÖÐÐĶÔÆ룮·Ö»®°åÖÐÐÄ¿ÌÏßÓëÃ÷ÎÆ1ºÍÃ÷ÎÆ6¶ÔÆëʱÓα꿨³ßʾÊý·Ö±ðÈçͼB¡¢CËùʾ£¨Óα꿨³ßΪ10·Ö¶È£©£®ÔòͼB¶ÔÓ¦µÄ¶ÁÊýΪ
 
m£¬Í¼C¶ÔÓ¦µÄ¶ÁÊýΪ
 
m£®Óÿ̶ȳßÁ¿µÃË«·ìµ½ÆÁµÄ¾àÀëΪ60.00cm£¬ÓÉË«·ìÉϵıêʾ»ñ֪˫·ì¼ä¾àΪ0.2mm£¬Ôò·¢Éú¸ÉÉæµÄ¹â²¨²¨³¤Îª
 
m£®?
ÔÚʵÑéÖУ¬Èô¾­´Öµ÷ºó͸¹ý²âÁ¿Í·ÉϵÄÄ¿¾µ¹Û²ì£¬¿´²»µ½Ã÷°µÏà¼äµÄÌõÎÆ£¬Ö»¿´µ½Ò»Æ¬ÁÁÇø£®Ôì³ÉÕâÖÖÇé¿öµÄ×î¿ÉÄܵÄÔ­ÒòÊÇ
 
£®
¾«Ó¢¼Ò½ÌÍø
£¨2£©Èçͼ1ΪijһÈÈÃôµç×裨µç×èÖµËæζȵĸıä¶ø¸Ä±ä£¬ÇÒ¶ÔζȺÜÃô¸Ð£©µÄI-U¹ØϵÇúÏßͼ£®
¢ÙΪÁËͨ¹ý²âÁ¿µÃµ½Í¼1ËùʾI-U¹ØϵµÄÍêÕûÇúÏߣ¬ÔÚͼ2¡¢Í¼3Á½¸öµç·ÖÐӦѡÔñÄĸöͼ£¿¼òҪ˵Ã÷ÀíÓÉ£®£¨µçÔ´µç¶¯ÊÆΪ9V£¬ÄÚ×è²»¼Æ£¬»¬Ïß±ä×èÆ÷µÄ×èֵΪ0¡«100¦¸£©£®
¢ÚÔÚͼ4µç·ÖУ¬µçÔ´µçѹºãΪ9V£¬µçÁ÷±í¶ÁÊýΪ70mA£¬¶¨Öµµç×èR1=250¦¸£®ÓÉÈÈÃôµç×èµÄI-U¹ØϵÇúÏß¼°Ïà¹Ø֪ʶ¿ÉÖª£¬µç×èR2µÄ×èֵΪ¶àÉÙ¦¸£¿£¨½á¹ûÈ¡ÈýλÓÐЧÊý×Ö£©
¾«Ó¢¼Ò½ÌÍø

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

¾«Ó¢¼Ò½ÌÍø