ÌâÄ¿ÄÚÈÝ

(9·Ö)Ëæ×ÅÈ«ÊÀ½ç¿ªÊ¼³«µ¼µÍ̼¾­¼ÃµÄ·¢Õ¹£¬µç¶¯×ÔÐгµ²úÆ·ÒÑÔ½À´Ô½Êܵ½´ó¼ÒµÄÇàíù£®Ä³Í¬Ñ§ÎªÁ˲ⶨijµç¶¯³µµç³ØµÄµç¶¯ÊƺÍÄÚ×裬Éè¼ÆÁËÈçͼËùʾµç·£¬ÌṩµÄʵÑéÆ÷²ÄÓУº

A£®µç¶¯³µµç³ØÒ»×飬µç¶¯ÊÆԼΪ12V£¬ÄÚ×èδ֪
B£®Ö±Á÷µçÁ÷±íA£¬Á¿³Ì300mA£¬ÄÚ×èºÜС
C£®µç×èÏäR£¬×èÖµ·¶Î§Îª0¡«999.9¦¸
D£®¶¨Öµµç×èR0£¬±ê³Æ×èÖµ10¦¸
E£®µ¼ÏߺͿª¹Ø
(1)µ±Ëû±ÕºÏ¿ª¹Øʱ·¢ÏÖ£¬ÎÞÂÛÔõÑùµ÷½Úµç×èÏ䣬µçÁ÷±í¶¼Ã»ÓÐʾÊý£¬·´¸´¼ì²éºó·¢ÏÖµç·Á¬½ÓÍêºÃ£¬¹À¼ÆÊÇijһԪ¼þË𻵣¬Òò´ËËûÄÃÀ´¶àÓõç±í¼ì²é¹ÊÕÏ£¬ËûµÄ²Ù×÷ÈçÏ£º
¢Ù¶Ï¿ªµçÔ´¿ª¹ØS£¬¢Ú½«¶àÓñíÑ¡Ôñ¿ª¹ØÖÃÓÚ¡Á1¦¸µ²£¬µ÷Áãºó£¬ºìºÚ±í±Ê·Ö±ð½ÓR0Á½¶Ë£¬¶ÁÊýΪ10 ¦¸£¬¢Û½«¶àÓñíÑ¡Ôñ¿ª¹ØÖÃÓÚ¡Á10¦¸µ²£¬µ÷Áãºó£¬½«ºìºÚ±í±Ê·Ö±ð½Óµç×èÏäÁ½¶Ë£¬·¢ÏÖÖ¸Õë¶ÁÊýÈçͼ14£­6Ëùʾ£¬ÔòËù²â×èֵΪ__________¦¸£¬È»ºóÓÖÓöàÓõç±í·Ö±ð¶ÔµçÔ´ºÍ¿ª¹Ø½øÐмì²â£¬·¢ÏÖµçÔ´ºÍ¿ª¹Ø¾ùÍêºÃ£®
ÓÉÒÔÉϲÙ×÷¿ÉÖª£¬·¢Éú¹ÊÕϵÄÔª¼þÊÇ______________£®
(2)ÔÚ¸ü»»¹æ¸ñÏàͬµÄÔª¼þºóÖØÐÂÁ¬½ÓºÃµç·£®¸Ä±äµç×èÏäµÄ×èÖµR£¬·Ö±ð²â³öͨ¹ý×èֵΪR0£½10 ¦¸µÄ¶¨Öµµç×èµÄµçÁ÷I£¬ÏÂÁÐÈý×é¹ØÓÚRµÄÈ¡Öµ·½°¸ÖУ¬±È½ÏºÏÀíµÄ·½°¸ÊÇ  ________(Ñ¡Ìî·½°¸±àºÅ1¡¢2»ò3)£®
·½°¸±àºÅ
µç×èÏäµÄ×èÖµR/¦¸
1
300.0
250.0
200.0
150.0
100.0
2
100.0
85.0
70.0
55.0
40.0
3
40. 0
30.0
25.0
20.0
15.0
(3)¸ù¾ÝʵÑéÊý¾ÝÃèµã£¬»æ³öµÄ£­RͼÏóÊÇÒ»ÌõÖ±Ïߣ®ÈôÖ±ÏßµÄбÂÊΪk£¬ÔÚ×ø±êÖáÉϵĽؾàΪb£¬Ôò¸ÃµçÔ´µÄµç¶¯ÊÆE£½________£¬ÄÚ×èr£½________.(ÓÃk¡¢bºÍR0±íʾ)

£¨1£©70    µçÁ÷±í£¨2£©2£¨3£©1/k   b/k- R0

½âÎö

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
Ëæ×ÅÈ«ÊÀ½ç¿ªÊ¼³«µ¼µÍ̼¾­¼ÃµÄ·¢Õ¹£¬µç¶¯×ÔÐгµ²úÆ·ÒÑÔ½À´Ô½Êܵ½´ó¼ÒµÄÇàíù£¬Ä³Í¬Ñ§ÎªÁ˲ⶨijµç¶¯³µµç³ØµÄµç¶¯ÊƺÍÄÚµç×裬Éè¼ÆÁËÈçͼ¼×Ëùʾµç·£¬ÌṩµÄʵÑéÆ÷²ÄÓУº
A£®µç¶¯³µµç³ØÒ»×飬µç¶¯ÊÆԼΪ12V£¬ÄÚ×èδ֪
B£®Ö±Á÷µçÁ÷±íÁ¿³Ì300mA£¬ÄÚ×èºÜС
C£®µç×èÏäR£¬×èÖµ·¶Î§Îª0¡«999.9¦¸
D£®¶¨Öµµç×èR0£¬±ê³Æ×èÖµ10¦¸
E£®µ¼ÏߺͿª¹Ø
£¨1£©µ±Ëû±ÕºÏ¿ª¹Øʱ·¢ÏÖ£¬ÎÞÂÛÔõÑùµ÷½Ú±ä×èÆ÷£¬µçÁ÷±í¶¼Ã»ÓÐʾÊý£¬·´¸´¼ì²éºó·¢ÏÖµç·Á¬½ÓÍêºÃ£¬¹À¼ÆÊÇijһԪ¼þË𻵣¬Òò´ËËûÄÃÀ´¶àÓõç±í¼ì²é¹ÊÕÏ£¬ËûµÄ²Ù×÷ÈçÏ£º
¢Ù¶Ï¿ªµçÔ´¿ª¹ØS£¬¢Ú½«¶àÓñíÑ¡Ôñ¿ª¹ØÖÃÓÚ¡Á1¦¸µµ£¬µ÷Áãºó£¬ºìºÚ±í±Ê·Ö±ð½ÓR0Á½¶Ë£¬¶ÁÊýΪ10¦¸£¬¢Û½«¶àÓñíÑ¡Ôñ¿ª¹ØÖÃÓÚ¡Á10¦¸µµ£¬µ÷Áãºó£¬½«ºìºÚ±í±Ê·Ö±ð½Óµç×èÏäÁ½¶Ë£¬·¢ÏÖÖ¸Õë¶ÁÊýÈçͼÒÒËùʾ£¬ÔòËù²â×èֵΪ
70
70
¦¸£¬È»ºóÓÖÓöàÓõç±í·Ö±ð¶ÔµçÔ´ºÍ¿ª¹Ø½øÐмì²â£¬·¢ÏÖµçÔ´ºÍ¿ª¹Ø¾ùÍêºÃ£®
·½°¸±àºÅ µç×èÏäµÄ×èÖµR/¦¸
1 300.0 250.0 200.0 150.0 100.0
2 100.0 85.0 70.0 55.0 40.0
3 40.0 30.0 25.0 20.0 15.0
ÓÉÒÔÉϲÙ×÷¿ÉÖª£¬·¢Éú¹ÊÕϵÄÔª¼þÊÇ
µçÁ÷±í
µçÁ÷±í
£®

£¨2£©ÔÚ¸ü»»¹æ¸ñÏàͬµÄÔª¼þºóÖØÐÂÁ¬½ÓºÃµç·£®
£¨3£©¸Ä±äµç×èÏäµÄ×èÖµR£¬·Ö±ð²â³ö×èֵΪR0=10¦¸µÄ¶¨Öµµç×èµÄµçÁ÷I£¬ÏÂÁÐÈý×é¹ØÓÚRµÄÈ¡Öµ·½°¸ÖУ¬±È½ÏºÏÀíµÄ·½°¸ÊÇ
2
2
£¨Ñ¡Ìî·½°¸±àºÅ1¡¢2»ò3£©£®
£¨4£©¸ù¾ÝʵÑéÊý¾ÝÃèµã£¬»æ³öµÄ
1
I
-RͼÏóÊÇÒ»ÌõÖ±Ïߣ®ÈôÖ±ÏßµÄбÂÊΪk£¬ÔÚ
I
I
×ø±êÖáÉϵĽؾàΪb£¬Ôò¸ÃµçÔ´µÄµç¶¯ÊÆE=
1
k
1
k
£¬ÄÚ×èr=
b
k
-R0
b
k
-R0
£¨ÓÃk¡¢bºÍR0±íʾ£©£®
¾«Ó¢¼Ò½ÌÍøËæ×ÅÈ«ÊÀ½ç¿ªÊ¼³«µ¼µÍ̼¾­¼ÃµÄ·¢Õ¹£¬µç¶¯×ÔÐгµ²úÆ·ÒÑÔ½À´Ô½Êܵ½´ó¼ÒµÄÇàíù£¬Ä³Í¬Ñ§ÎªÁ˲ⶨijµç¶¯³µµç³ØµÄµç¶¯ÊƺÍÄÚµç×裬Éè¼ÆÁËÈçͼËùʾµç·£¬ÌṩµÄʵÑéÆ÷²ÄÓУº
£¨A£©µç¶¯³µµç³ØÒ»×飬µç¶¯ÊÆԼΪ12V£¬ÄÚ×èδ֪
£¨B£©Ö±Á÷µçÁ÷±íÁ¿³Ì300mA£¬ÄÚ×èºÜС
£¨C£©µç×èÏäR£¬×èÖµ·¶Î§Îª0¡«999.9¦¸
£¨D£©¶¨Öµµç×èR0£¬±ê³Æ×èÖµ10¦¸
£¨E£©µ¼ÏߺͿª¹Ø
£¨1£©µ±Ëû±ÕºÏ¿ª¹Øʱ·¢ÏÖ£¬ÎÞÂÛÔõÑùµ÷½Ú±ä×èÆ÷£¬µçÁ÷±í¶¼Ã»ÓÐʾÊý£¬·´¸´¼ì²éºó·¢ÏÖµç·Á¬½ÓÍêºÃ£¬¹À¼ÆÊÇijһԪ¼þË𻵣¬Òò´ËËûÄÃÀ´¶àÓõç±í¼ì²é¹ÊÕÏ£¬ËûµÄ²Ù×÷ÈçÏ£º
¢Ù¶Ï¿ªµçÔ´¿ª¹ØS£¬¢Ú½«¶àÓñíÑ¡Ôñ¿ª¹ØÖÃÓÚ¡Á1¦¸µµ£¬µ÷Áãºó£¬ºìºÚ±í±Ê·Ö±ð½ÓR0Á½¶Ë£¬
¶ÁÊýΪ10¦¸£¬¢Û½«¶àÓñíÑ¡Ôñ¿ª¹ØÖÃÓÚ¡Á10¦¸µµ£¬µ÷Áãºó£¬½«ºìºÚ±í±Ê·Ö±ð½Óµç×èÏäÁ½¶Ë£¬
·¢ÏÖÖ¸Õë¶ÁÊýÈçͼËùʾ£¬ÔòËù²â×èֵΪ
 
¦¸£¬È»ºóÓÖÓöàÓõç±í·Ö±ð¶ÔµçÔ´ºÍ¿ª¹Ø½øÐмì²â£¬·¢ÏÖµçÔ´ºÍ¿ª¹Ø¾ùÍêºÃ£®
¾«Ó¢¼Ò½ÌÍø
ÓÉÒÔÉϲÙ×÷¿ÉÖª£¬·¢Éú¹ÊÕϵÄÔª¼þÊÇ
 
£®
£¨2£©ÔÚ¸ü»»¹æ¸ñÏàͬµÄÔª¼þºóÖØÐÂÁ¬½ÓºÃµç·£®
£¨3£©¸Ä±äµç×èÏäµÄ×èÖµR£¬·Ö±ð²â³ö×èֵΪR0=10¦¸µÄ¶¨Öµµç×èµÄµçÁ÷I£¬ÏÂÁÐÈý×é¹ØÓÚRµÄÈ¡Öµ·½°¸ÖУ¬±È½ÏºÏÀíµÄ·½°¸ÊÇ
 
£¨Ñ¡Ìî·½°¸±àºÅ1¡¢2»ò3£©£®
¾«Ó¢¼Ò½ÌÍø
£¨4£©¸ù¾ÝʵÑéÊý¾ÝÃèµã£¬»æ³öµÄ
1
I
-R
ͼÏóÊÇÒ»ÌõÖ±Ïߣ®ÈôÖ±ÏßµÄбÂÊΪk£¬ÔÚ
1
I
×ø±êÖáÉϵĽؾàΪb£¬Ôò¸ÃµçÔ´µÄµç¶¯ÊÆE=
 
£¬ÄÚ×èr=
 
£¨ÓÃk¡¢bºÍR0±íʾ£©£®

(9·Ö)Ëæ×ÅÈ«ÊÀ½ç¿ªÊ¼³«µ¼µÍ̼¾­¼ÃµÄ·¢Õ¹£¬µç¶¯×ÔÐгµ²úÆ·ÒÑÔ½À´Ô½Êܵ½´ó¼ÒµÄÇàíù£®Ä³Í¬Ñ§ÎªÁ˲ⶨijµç¶¯³µµç³ØµÄµç¶¯ÊƺÍÄÚ×裬Éè¼ÆÁËÈçͼËùʾµç·£¬ÌṩµÄʵÑéÆ÷²ÄÓУº

A£®µç¶¯³µµç³ØÒ»×飬µç¶¯ÊÆԼΪ12V£¬ÄÚ×èδ֪

B£®Ö±Á÷µçÁ÷±íA£¬Á¿³Ì300mA£¬ÄÚ×èºÜС

C£®µç×èÏäR£¬×èÖµ·¶Î§Îª0¡«999.9¦¸

D£®¶¨Öµµç×èR0£¬±ê³Æ×èÖµ10¦¸

E£®µ¼ÏߺͿª¹Ø

(1)µ±Ëû±ÕºÏ¿ª¹Øʱ·¢ÏÖ£¬ÎÞÂÛÔõÑùµ÷½Úµç×èÏ䣬µçÁ÷±í¶¼Ã»ÓÐʾÊý£¬·´¸´¼ì²éºó·¢ÏÖµç·Á¬½ÓÍêºÃ£¬¹À¼ÆÊÇijһԪ¼þË𻵣¬Òò´ËËûÄÃÀ´¶àÓõç±í¼ì²é¹ÊÕÏ£¬ËûµÄ²Ù×÷ÈçÏ£º

¢Ù¶Ï¿ªµçÔ´¿ª¹ØS£¬¢Ú½«¶àÓñíÑ¡Ôñ¿ª¹ØÖÃÓÚ¡Á1¦¸µ²£¬µ÷Áãºó£¬ºìºÚ±í±Ê·Ö±ð½ÓR0Á½¶Ë£¬¶ÁÊýΪ10 ¦¸£¬¢Û½«¶àÓñíÑ¡Ôñ¿ª¹ØÖÃÓÚ¡Á10¦¸µ²£¬µ÷Áãºó£¬½«ºìºÚ±í±Ê·Ö±ð½Óµç×èÏäÁ½¶Ë£¬·¢ÏÖÖ¸Õë¶ÁÊýÈçͼ14£­6Ëùʾ£¬ÔòËù²â×èֵΪ__________¦¸£¬È»ºóÓÖÓöàÓõç±í·Ö±ð¶ÔµçÔ´ºÍ¿ª¹Ø½øÐмì²â£¬·¢ÏÖµçÔ´ºÍ¿ª¹Ø¾ùÍêºÃ£®

ÓÉÒÔÉϲÙ×÷¿ÉÖª£¬·¢Éú¹ÊÕϵÄÔª¼þÊÇ______________£®

 (2)ÔÚ¸ü»»¹æ¸ñÏàͬµÄÔª¼þºóÖØÐÂÁ¬½ÓºÃµç·£®¸Ä±äµç×èÏäµÄ×èÖµR£¬·Ö±ð²â³öͨ¹ý×èֵΪR0£½10 ¦¸µÄ¶¨Öµµç×èµÄµçÁ÷I£¬ÏÂÁÐÈý×é¹ØÓÚRµÄÈ¡Öµ·½°¸ÖУ¬±È½ÏºÏÀíµÄ·½°¸ÊÇ  ________(Ñ¡Ìî·½°¸±àºÅ1¡¢2»ò3)£®

·½°¸±àºÅ

µç×èÏäµÄ×èÖµR/¦¸

1

300.0

250.0

200.0

150.0

100.0

2

100.0

85.0

70.0

55.0

40.0

3

40. 0

30.0

25.0

20.0

15.0

(3)¸ù¾ÝʵÑéÊý¾ÝÃèµã£¬»æ³öµÄ£­RͼÏóÊÇÒ»ÌõÖ±Ïߣ®ÈôÖ±ÏßµÄбÂÊΪk£¬ÔÚ×ø±êÖáÉϵĽؾàΪb£¬Ôò¸ÃµçÔ´µÄµç¶¯ÊÆE£½________£¬ÄÚ×èr£½________.(ÓÃk¡¢bºÍR0±íʾ)

 

(9·Ö)Ëæ×ÅÈ«ÊÀ½ç¿ªÊ¼³«µ¼µÍ̼¾­¼ÃµÄ·¢Õ¹£¬µç¶¯×ÔÐгµ²úÆ·ÒÑÔ½À´Ô½Êܵ½´ó¼ÒµÄÇàíù£®Ä³Í¬Ñ§ÎªÁ˲ⶨijµç¶¯³µµç³ØµÄµç¶¯ÊƺÍÄÚ×裬Éè¼ÆÁËÈçͼËùʾµç·£¬ÌṩµÄʵÑéÆ÷²ÄÓУº

A£®µç¶¯³µµç³ØÒ»×飬µç¶¯ÊÆԼΪ12V£¬ÄÚ×èδ֪

B£®Ö±Á÷µçÁ÷±íA£¬Á¿³Ì300mA£¬ÄÚ×èºÜС

C£®µç×èÏäR£¬×èÖµ·¶Î§Îª0¡«999.9¦¸

D£®¶¨Öµµç×èR0£¬±ê³Æ×èÖµ10¦¸

E£®µ¼ÏߺͿª¹Ø

(1)µ±Ëû±ÕºÏ¿ª¹Øʱ·¢ÏÖ£¬ÎÞÂÛÔõÑùµ÷½Úµç×èÏ䣬µçÁ÷±í¶¼Ã»ÓÐʾÊý£¬·´¸´¼ì²éºó·¢ÏÖµç·Á¬½ÓÍêºÃ£¬¹À¼ÆÊÇijһԪ¼þË𻵣¬Òò´ËËûÄÃÀ´¶àÓõç±í¼ì²é¹ÊÕÏ£¬ËûµÄ²Ù×÷ÈçÏ£º

¢Ù¶Ï¿ªµçÔ´¿ª¹ØS£¬¢Ú½«¶àÓñíÑ¡Ôñ¿ª¹ØÖÃÓÚ¡Á1¦¸µ²£¬µ÷Áãºó£¬ºìºÚ±í±Ê·Ö±ð½ÓR0Á½¶Ë£¬¶ÁÊýΪ10 ¦¸£¬¢Û½«¶àÓñíÑ¡Ôñ¿ª¹ØÖÃÓÚ¡Á10¦¸µ²£¬µ÷Áãºó£¬½«ºìºÚ±í±Ê·Ö±ð½Óµç×èÏäÁ½¶Ë£¬·¢ÏÖÖ¸Õë¶ÁÊýÈçͼ14£­6Ëùʾ£¬ÔòËù²â×èֵΪ__________¦¸£¬È»ºóÓÖÓöàÓõç±í·Ö±ð¶ÔµçÔ´ºÍ¿ª¹Ø½øÐмì²â£¬·¢ÏÖµçÔ´ºÍ¿ª¹Ø¾ùÍêºÃ£®

ÓÉÒÔÉϲÙ×÷¿ÉÖª£¬·¢Éú¹ÊÕϵÄÔª¼þÊÇ______________£®

 (2)ÔÚ¸ü»»¹æ¸ñÏàͬµÄÔª¼þºóÖØÐÂÁ¬½ÓºÃµç·£®¸Ä±äµç×èÏäµÄ×èÖµR£¬·Ö±ð²â³öͨ¹ý×èֵΪR0£½10 ¦¸µÄ¶¨Öµµç×èµÄµçÁ÷I£¬ÏÂÁÐÈý×é¹ØÓÚRµÄÈ¡Öµ·½°¸ÖУ¬±È½ÏºÏÀíµÄ·½°¸ÊÇ  ________(Ñ¡Ìî·½°¸±àºÅ1¡¢2»ò3)£®

·½°¸±àºÅ

µç×èÏäµÄ×èÖµR/¦¸

1

300.0

250.0

200.0

150.0

100.0

2

100.0

85.0

70.0

55.0

40.0

3

40. 0

30.0

25.0

20.0

15.0

(3)¸ù¾ÝʵÑéÊý¾ÝÃèµã£¬»æ³öµÄ£­RͼÏóÊÇÒ»ÌõÖ±Ïߣ®ÈôÖ±ÏßµÄбÂÊΪk£¬ÔÚ×ø±êÖáÉϵĽؾàΪb£¬Ôò¸ÃµçÔ´µÄµç¶¯ÊÆE£½________£¬ÄÚ×èr£½________.(ÓÃk¡¢bºÍR0±íʾ)

 

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

¾«Ó¢¼Ò½ÌÍø