ijʵÑéС×éÀûÓÃʵÑéÊÒÌṩµÄÆ÷²Ä̽¾¿Ò»ÖÖ½ðÊôË¿µÄµç×èÂÊ£®ËùÓõÄÆ÷²Ä°üÀ¨£ºÊä³öµçѹºãΪ3VµÄÖ±Á÷µçÔ´¡¢µçÁ÷±í¡¢´ý²â½ðÊôË¿¡¢ÂÝÐý²â΢Æ÷£¨Ç§·Ö³ß£©¡¢Ã׳ߡ¢µç×èÏä¡¢¿ª¹ØºÍµ¼Ïߵȣ®
£¨1£©ËûÃǽØÈ¡ÁËÒ»¶Î½ðÊôË¿£¬À­Ö±ºó¹Ì¶¨ÔÚ¾øÔµµÄÃ׳ßÉÏ£¬²¢ÔÚ½ðÊôË¿ÉϼÐÉÏÒ»¸öС½ðÊô¼Ð£¬½ðÊô¼Ð¿ÉÔÚ½ðÊôË¿ÉÏÒƶ¯£®Çë¸ù¾ÝÏÖÓÐÆ÷²ÄÉè¼ÆʵÑéµç·£¬²¢Á¬½Óµç·ʵÎïͼ1£®
£¨2£©ÊµÑéµÄÖ÷Òª²½ÖèÈçÏ£º
¢ÙÕýÈ·Á¬½Óµç·£¬É趨µç×èÏäµÄ×èÖµ£¬¿ªÆôµçÔ´£¬ºÏÉÏ¿ª¹Ø£»
¢Ú¶Á³öµçÁ÷±íµÄʾÊý£¬¼Ç¼½ðÊô¼ÐµÄλÖã»
¢Û¶Ï¿ª¿ª¹Ø£¬
²â³ö½ÓÈëµç·µÄ½ðÊôË¿µÄ³¤¶È
²â³ö½ÓÈëµç·µÄ½ðÊôË¿µÄ³¤¶È
£¬ºÏÉÏ¿ª¹Ø£¬Öظ´¢ÚµÄ²Ù×÷£®
£¨3£©¸ÃС×é²âµÃµçÁ÷Óë½ðÊôË¿½ÓÈ볤¶È¹ØϵµÄÊý¾Ý£¬²¢¾Ý´Ë»æÖƳöͼ2µÄ¹ØϵͼÏߣ¬ÆäбÂÊΪ
10.5
10.5
A-1m-1
£¨±£ÁôÈýλÓÐЧÊý×Ö£©£»Í¼Ïß×ÝÖá½Ø¾àÓëµçÔ´µç¶¯ÊƵij˻ý´ú±íÁË
µçÁ÷±íÄÚµç×èÓëµç×èÏä
µçÁ÷±íÄÚµç×èÓëµç×èÏä
µÄµç×èÖ®ºÍ£®

£¨4£©ËûÃÇʹÓÃÂÝÐý²â΢Æ÷²âÁ¿½ðÊôË¿µÄÖ±¾¶Îª0.200mm£®Í¼2ÖÐͼÏßµÄбÂÊ¡¢µçÔ´µç¶¯ÊƺͽðÊôË¿ºá½ØÃæ»ýµÄ³Ë»ý´ú±íµÄÎïÀíÁ¿ÊÇ
½ðÊôË¿µÄµç×èÂÊ
½ðÊôË¿µÄµç×èÂÊ
£®
·ÖÎö£º£¨1£©¸ù¾ÝÌâÒâ½øÐÐʵÎïͼÁ¬½Ó¼´¿É
£¨2£©¸ÃÌâÒªÇóÒª½øÐжà´Î²âÁ¿£¬ÒԱ㻭³öͼÏߣ¬âüÈ»¿ÉÖªÒªÒƶ¯½ðÊô¼ÐµÄλÖò¢¼Ç¼ÏàÓ¦µÄÊý¾Ý
£¨3£©Í¨¹ýͼÏ߿ɼÆËã³öбÂÊ
£¨4£©ÂÝÐý²â΢Æ÷¶ÁÊýʱ£¬Òª·Ö¹Ì¶¨¿Ì¶ÈºÍ¿É¶¯¿Ì¶È£¬ÔÙ½øÐÐÏà¼Ó¿ÉµÃ½á¹û£»Í¨¹ý¼ÆËã¿É֪ͼÏßµÄбÂÊ¡¢µçÔ´µç¶¯ÊƺͽðÊôË¿ºá½ØÃæ»ýµÄ³Ë»ýµÄ½á¹ûºÍµ¥Î»£¬´Ó¶ø¿ÉÅжÏÊÇʲôÎïÀíÁ¿£®
½â´ð£º½â£º£¨1£©ÊµÎïÁ¬½ÓÈçÓÒͼËùʾ£®
£¨2£©¸ÃÌâÒªÇóÒª¶à´Î²âÁ¿£¬ËùÒÔÿ´Î¶¼Òª¶Á³ö½ÓÈëµç·ÖеĽðÊôË¿µÄ³¤¶È£¬Í¬Ê±Òƶ¯½ðÊô¼ÐµÄλÖã¬ÒÔ±ãµÃµ½¶à×éÊý¾Ý£®
£¨3£©ÓÉͼ¿ÉµÃÆäбÂÊΪk=
¡÷
1
I
¡÷L
=
11-7.86
0.6-0.3
A-1?m-1=10.5A-1?m-1
£¨4£©ÂÝÐý²â΢Æ÷µÄ¹Ì¶¨¿Ì¶È¶ÁÊýΪ0£¬¿É¶¯¿Ì¶È¶ÁÊýΪ20.0¡Á0.01=0.200mm£¬ËùÒÔ½ðÊôË¿µÄÖ±¾¶Îª0+0.200=0.200mm£¬ÓÉÌâÒâµÃ£º
K¡ÁE¡ÁS=10.5A-1?m-1¡Á3V¡Á3.14¡Á0.12¡Á10-6m2=9.89¡Á10-7¦¸?m£¬µÃµ½µÄ½á¹ûµÄµ¥Î»ÊǦ¸?m£¬¼´Îªµç×èÂʵĵ¥Î»£®
¸ù¾Ýµç×趨ÂÉ£¬ÔòÓУºR=¦Ñ
L
S
£»
¶øÅ·Ä·¶¨ÂÉÔòÓУ¬R=
U
I

ËùÒÔ£¬¦Ñ=E?S?
1
I
L
£»¼´Í¼ÏßµÄбÂÊ¡¢µçÔ´µç¶¯ÊƺͽðÊôË¿ºá½ØÃæ»ýµÄ³Ë»ýµÈÓÚ½ðÊôË¿µÄµç×èÂÊ£®
¹Ê´ð°¸Îª£º
£¨1£©µç·ʵÎïÁ¬ÏßÈçͼËùʾ£»£¨2£©²â³ö½ÓÈëµç·µÄ½ðÊôË¿µÄ³¤¶È£»£¨3£©10.5£¬µçÁ÷±íÄÚ×èºÍµç×èÏ䣻£¨4£©½ðÊôË¿µÄµç×èÂÊ£®
µãÆÀ£º¸ÃÌâÊǽÏ×ۺϵĿ¼²éÁ˵çѧʵÑ飬ҪÇóÎÒÃÇÒª»áÊìÁ·µÄÁ¬½ÓʵÎïͼ£¬×¢ÒâÁ¬½ÓʵÎïͼµÄÒªÁ죻ÊìÁ·µÄ¶ÔÂÝÐý²â΢Æ÷½øÐжÁÊý£»»¹ÒªÖªµÀÎïÀí¹«Ê½µÃ¼ÆËã²»µ¥ÊǶÔÊýÖµµÄ¼ÆË㣬»¹ÊǶÔÎïÀíÁ¿µÄµ¥Î»µÄ¼ÆË㣮
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2013?Ì«Ô­¶þÄ££©Ä³ÊµÑéС×éÀûÓÃʵÑéÊÒÌṩµÄÆ÷²Ä̽¾¿Ò»ÖֺϽðË¿µÄµç×èÂʦѣ¬ËùÓÃÆ÷²Ä°üÀ¨£º
A£®´ý²âºÏ½ðË¿ac£º³¤¶ÈÔ¼1m£¬µç×èÔ¼20¦¸£»
B£®µçѹ±í£º²âÁ¿·¶Î§0¡«5V£¬ÄÚ×èÔ¼50k¦¸
C£®µçÁ÷±í£º²âÁ¿·¶Î§0¡«0.5A£¬ÄÚ×èÔ¼0£¬3¦¸
D£®»¬¶¯±ä×èÆ÷£ºµç×è±ä»¯·¶Î§0¡«10¦¸£©£»
E£®Ö±Á÷µçÔ´£ºµç¶¯ÊÆÔ¼9V£»
F£®ÂÝÐý²â΢Æ÷¡¢Ã׳ߡ¢¿ª¹Ø£¬µ¼ÏßÈô¸É£®
£¨1£©½«ºÏ½ðË¿acÀ­Ö±ºó¹Ì¶¨ÔÚ¾øÔµÃ׳ßÉÏ£¬ÆäÖÐa¶Ëµã¹Ì¶¨ÔÚÃ׳ߵÄ0¿Ì¶ÈÉÏ£¬c¶Ëµã¹Ì¶¨ÔÚÃ׳ߵÄÁíÒ»¶Ë£¬²¢ÔںϽðË¿ÉϼÐÉÏÒ»¸ö¿ÉÒƶ¯µÄС½ðÊô¼Ð£¬bÊǽðÊô¼ÐÓëºÏ½ðË¿µÄ½Ó´¥µã£®¸ù¾ÝÏÖÓÐÆ÷²Ä£¬Í¼1ÖÐʵÑéµç·Ӧ¸ÃÑ¡ÓõÄÊÇ
D»òA
D»òA


£¨2£©ÓÃÂÝÐý²â΢Æ÷²âÁ¿ºÏ½ðË¿µÄÖ±¾¶D£¬Ê¾ÊýÈçͼ2£®ÔòD=
0.300£¨0.298¡«0.302£©
0.300£¨0.298¡«0.302£©
mm£®
£¨3£©ÊµÑéµÄÖ÷Òª²½ÖèÈçÏ£º
¢ÙÕýÈ·Á¬½Óµç·£¬µ÷½Ú½ðÊô¼ÐµÄλÖ㬽«»¬¶¯±ä×èÆ÷´¥Í·µ÷µ½Êʵ±Î»Ö㬺ÏÉÏ¿ª¹Ø£»
¢Ú·´¸´µ÷½Ú»¬¶¯±ä×èÆ÷£¬ÈõçÁ÷±íµÄʾÊýΪI=0.360A£¬¶Á³öµçѹ±íµÄʾÊýU£¬Í¬Ê±¼Ç¼ab¼äºÏ½ðË¿¶ÔÓ¦µÄ³¤¶ÈL£»
¢Û¶Ï¿ª¿ª¹Ø£¬µ÷½Ú½ðÊô¼ÐµÄλÖ㬺ÏÉÏ¿ª¹Ø£¬Öظ´¢ÚµÄ²Ù×÷£®
£¨4£©ÒÀ¾ÝÔ­Àí¿ÉÖª£¬UÓëLÓ¦×ñ´ÓµÄ¹ØϵÊÇU=
4¦ÑI
¦ÐD2
L
4¦ÑI
¦ÐD2
L
£®£¨ÓòâµÃÁ¿ºÍÒÑÖªÁ¿µÄ×Öĸ±íʾ£©
£¨5£©¸ÃС×éÒÀ¾Ý²âµÃµÄ¶à×éUÓëLµÄÊý¾Ý£¬×÷³öÁËͼ3µÄU-LͼÏߣ¬ÓÉͼ¿ÉÇóµÃ¸ÃºÏ½ðË¿µÄµç×èÂʵÄÊýֵΪ¦Ñ=
1.2¡Á10-6
1.2¡Á10-6
¦¸?m£®£¨±£Áô¶þλÓÐЧÊý×Ö£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨1£©Ä³ÊµÑéС×éÀûÓÃʵÑéÊÒÌṩµÄÆ÷²Ä£¬Ì½¾¿Ò»ÖÖºá½ØÃæΪԲÐεĽðÊôË¿µÄµç×èÂÊ£¬ËûÃÇʹÓÃǧ·Ö³ß²âÁ¿½ðÊôË¿µÄÖ±¾¶£¬Ê¾ÊýÈçͼ1ʾ£¬ÕâÖÖ½ðÊôË¿µÄÖ±¾¶Îª
0.260
0.260
mm£®

£¨2£©£¨8·Ö£©Ôڲⶨһ½Ú¸Éµç³Ø£¨µç¶¯ÊÆԼΪ1.5V£¬ÄÚ×èԼΪ2¦¸£©µÄµç¶¯ÊƺÍÄÚ×èµÄʵÑéÖУ¬ÌṩµÄÆ÷²ÄÓÐ
A£®µçѹ±íÁ¿³ÌΪ3V£¬ÄÚ×èԼΪ5k¦¸
B£®µçѹ±íÁ¿³ÌΪ15V£¬ÄÚ×èԼΪ10k¦¸
C£®µçÁ÷±íÁ¿³ÌΪ0.6A£¬ÄÚ×èԼΪ0.1¦¸
D£®µçÁ÷±íÁ¿³ÌΪ3A£¬ÄÚ×èԼΪ0.01¦¸
E£®±ä×èÆ÷R1Ϊ£¨20¦¸£¬3A£©
F£®±ä×èÆ÷R2Ϊ£¨500¦¸£¬0.2A£©
G£®¿ª¹Ø¡¢µ¼ÏßÈô¸É
ΪÁ˽Ï׼ȷ²âÁ¿µç³ØµÄµç¶¯ÊƺÍÄÚ×裬µçѹ±íÓ¦¸ÃÑ¡
A
A
£¨ÌîA»òB£©£»µçÁ÷±íÓ¦¸ÃÑ¡
C
C
£¨ÌîC»òD£©£»±ä×èÆ÷Ó¦¸ÃÑ¡
E
E
£¨ÌîE»òF£©£»ÊµÑéµç·ͼӦ¸ÃÑ¡
ÒÒ
ÒÒ
ͼ£¨Ìî¡°¼×¡±»ò¡°ÒÒ¡±£©£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â

£¨1£©ÔÚ×ö¡°Óõ¥°Ú²â¶¨ÖØÁ¦¼ÓËٶȡ±µÄʵÑéʱ£º
¢ÙÐèÒª²âÁ¿°ÚÇòÖ±¾¶£¬Èçͼ1Ëùʾ£¬°ÚÇòÖ±¾¶Îª
 
cm£»Èÿ̶ȳߵÄÁãµã¶Ô×¼°ÚÏßµÄÐüµã£¬°ÚÏßÊúֱϴ¹£¬Èçͼ2Ëùʾ£¬ÄÇôµ¥°Ú°Ú³¤ÊÇ
 
£®
¾«Ó¢¼Ò½ÌÍø
¢ÚΪÁËÌá¸ßʵÑ龫¶È£¬ÔÚʵÑéÖпɸı伸´Î°Ú³¤L²¢²â³öÏàÓ¦µÄÕñ¶¯ÖÜÆÚT£¬´Ó¶øµÃ³ö¼¸×é¶ÔÓ¦µÄLÓëT2µÄÊý¾Ý£¬ÈçͼËùʾ£®ÔÙÒÔLΪºá×ø±ê£¬T2Ϊ×Ý×ø±ê£¬½«ËùµÃÊý¾ÝÁ¬³ÉÖ±Ïߣ¬²¢ÇóµÃ¸ÃÖ±ÏßµÄбÂÊΪk£®ÔòÖØÁ¦¼ÓËÙ¶Èg=
 
£®£¨ÓÃk±íʾ£©
£¨2£©Ä³ÊµÑéС×éÀûÓÃʵÑéÊÒÌṩµÄÆ÷²Ä̽¾¿Ò»ÖÖ½ðÊôË¿µÄµç×èÂÊ£¬ËùÓÃÆ÷²Ä°üÀ¨£ºÊä³öΪ3VµÄÖ±Á÷ÎÈѹµçÔ´¡¢µçÁ÷±í¡¢´ý²â½ðÊôË¿¡¢ÂÝÐý²â΢Æ÷£¨Ç§·Ö³ß£©¡¢Ã׳ߡ¢µç×èÏä¡¢¿ª¹ØºÍµ¼Ïߵȣ®
¢ÙËûÃǽØÈ¡ÁËÒ»¶Î½ðÊôË¿£¬À­Ö±ºó¹Ì¶¨ÔÚ¾øÔµµÄÃ׳ßÉÏ£¬²¢ÔÚ½ðÊôË¿ÉϼÐÉÏÒ»¸öС½ðÊô¼Ð£¬½ðÊô¼Ð¿ÉÔÚ½ðÊôË¿ÉÏÒƶ¯£®Çë¸ù¾ÝÏÖÓÐÆ÷²Ä£¬Éè¼ÆʵÑéµç·£¬²¢Á¬½Óµç·ʵÎïͼ4£®
¢ÚʵÑéµÄÖ÷Òª²½ÖèÈçÏ£º
A£®ÕýÈ·Á¬½Óµç·£¬É趨µç×èÏäµÄ×èÖµ£¬¿ªÆôµçÔ´£¬ºÏÉÏ¿ª¹Ø£»
B£®¶Á³öµçÁ÷±íµÄʾÊý£¬¼Ç¼½ðÊô¼ÐµÄλÖã»
C£®¶Ï¿ª¿ª¹Ø£¬
 
£¬ºÏÉÏ¿ª¹Ø£¬Öظ´BµÄ²Ù×÷£®
¢Û¸ÃС×é²âµÃµçÁ÷Óë½ðÊôË¿½ÓÈ볤¶È¹ØϵµÄÊý¾Ý£¬²¢¾Ý´Ë¸ø³öÁËͼ5µÄ¹ØϵͼÏߣ¬ÆäбÂÊΪ
 
A-1?m-1£¨±£ÁôÈýλÓÐЧÊý×Ö£©£»Í¼Ïß×ÝÖá½Ø¾àÓëµçÔ´µçѹµÄ³Ë»ý´ú±íÁË
 
µç×èÖ®ºÍ£®
¢ÜËûÃÇʹÓÃÂÝÐý²â΢Æ÷²âÁ¿½ðÊôË¿µÄÖ±¾¶£¬Ê¾ÊýÈçͼ6Ëùʾ£®½ðÊôË¿µÄÖ±¾¶ÊÇ
 
£®Í¼5ÖÐͼÏßµÄбÂÊ¡¢µçÔ´µçѹ½ðÊôË¿ºá½ØÃæ»ýµÄ³Ë»ý´ú±íµÄÎïÀíÁ¿ÊÇ
 
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ijʵÑéС×éÀûÓÃʵÑéÊÒÌṩµÄÆ÷²Ä̽¾¿Ò»ÖÖ½ðÊôË¿µÄµç×èÂÊ£®ËùÓõÄÆ÷²Ä°üÀ¨£ºÖ±Á÷µçÔ´µç¶¯ÊÆ3V£¨ÄÚ×èδ֪£©¡¢µçѹ±í¡¢´ý²â½ðÊôË¿¡¢ÂÝÐý²â΢Æ÷£¨Ç§·Ö³ß£©¡¢Ã׳ߡ¢¶¨Öµµç×èR0¡¢¿ª¹ØºÍµ¼Ïߵȣ®
ÓÉÓÚ¶¨Öµµç×èR0ÉÏ×Ö¼£Ä£ºý²»Ç壬ΪÁ˲âÆäµç×裬ijͬѧ½øÐÐÁËÈçÏÂʵÑ飺
£¨1£©¢ÙÔÚÓöàÓõç±í´Ö²â¶¨Öµµç×èR0ʱ£¬¸ÃС×éÊ×ÏÈÑ¡Óá°¡Á1¡±Å·Ä·µ²£¬Æä×èÖµÈçͼ1ÖÐÖ¸ÕëaËùʾ£¬ÎªÁ˼õС¶àÓõç±íµÄ¶ÁÊýÎó²î£¬¶àÓõç±íµÄÑ¡Ôñ¿ª¹ØÓ¦»»ÓÃ
¡Á10
¡Á10
Å·Ä·µ²£»
¢Ú¸Ä»»Ñ¡Ôñ¿ª¹Øºó£¬Ó¦ÏȽøÐÐ
Å·Ä·µ÷Áã
Å·Ä·µ÷Áã
£¬Èô²âµÃ×èÖµÈçͼÖÐÖ¸ÕëbËùʾ£¬ÔòR0µÄ×èÖµ´óÔ¼ÊÇ
60
60
¦¸£»

£¨2£©ËûÃǽØÈ¡ÁËÒ»¶Î½ðÊôË¿£¬À­Ö±ºó¹Ì¶¨ÔÚ¾øÔµµÄÃ׳ßÉÏ£¬²¢ÔÚ½ðÊôË¿ÉϼÐÉÏÒ»¸öС½ðÊô¼Ð£¬½ðÊô¼Ð¿ÉÔÚ½ðÊôË¿ÉÏÒƶ¯£®Çë¸ù¾ÝÏÖÓÐÆ÷²Ä£¬Éè¼ÆʵÑéµç·Èçͼ2£¬ÇëÁ¬½Óµç·ʵÎïͼ£®
£¨3£©ÊµÑéµÄÖ÷Òª²½ÖèÈçÏ£º
¢ÙÕýÈ·Á¬½Óµç·£¬¿ªÆôµçÔ´£¬ºÏÉÏ¿ª¹Ø£»
¢Ú¶Á³öµçѹ±íµÄʾÊý£¬¼Ç¼½ðÊô¼ÐµÄλÖã»
¢Û¶Ï¿ª¿ª¹Ø£¬
¸Ä±ä½ðÊôË¿ÉϽðÊô¼ÐµÄλÖÃ
¸Ä±ä½ðÊôË¿ÉϽðÊô¼ÐµÄλÖÃ
£¬ºÏÉÏ¿ª¹Ø£¬Öظ´¢ÚµÄ²Ù×÷£®
£¨4£©¸ÃС×é²âµÃµçѹÓë½ðÊôË¿½ÓÈ볤¶È¹ØϵµÄÊý¾Ý£¬²¢ÒÔ
1
U
Ϊ×ÝÖᣬÒÔLΪºáÖá×ö³öÁË
1
U
-L
ͼÏߣ»ÔòͼÏßµÄбÂÊ¡¢µçÔ´µç¶¯ÊÆ¡¢¶¨Öµµç×èR0ºÍ½ðÊôË¿ºá½ØÃæ»ýµÄ³Ë»ý´ú±íµÄÎïÀíÁ¿ÊÇ
½ðÊôË¿µÄµç×èÂʦÑ
½ðÊôË¿µÄµç×èÂʦÑ
£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸