ijͬѧÉè¼ÆÁËÈçͼ11ËùʾµÄ×°ÖÃÀ´Ì½¾¿¼ÓËÙ¶ÈÓëÁ¦µÄ¹Øϵ¡£µ¯»É³Ó¹Ì¶¨ÔÚÒ»ºÏÊʵÄľ°åÉÏ£¬×ÀÃæµÄÓÒ±ßÔµ¹Ì¶¨Ò»Ö§±íÃæ¹â»¬µÄǦ±ÊÒÔ´úÌ涨»¬ÂÖ£¬Ï¸ÉþµÄÁ½¶Ë·Ö±ðÓ뵯»É³ÓµÄ¹Ò¹³ºÍ¿óȪˮƿÁ¬½Ó¡£ÔÚ×ÀÃæÉÏ»­³öÁ½ÌõƽÐÐÏßMN¡¢PQ£¬²¢²â³ö¼ä¾àd¡£¿ªÊ¼Ê±½«Ä¾°åÖÃÓÚMN´¦£¬ÏÖ»ºÂýÏòÆ¿ÖмÓË®£¬Ö±µ½Ä¾°å¸Õ¸Õ¿ªÊ¼Ô˶¯ÎªÖ¹£¬¼Çϵ¯»É³ÓµÄʾÊýF0£¬ÒԴ˱íʾ»¬¶¯Ä¦²ÁÁ¦µÄ´óС¡£ÔÙ½«Ä¾°å·Å»ØÔ­´¦²¢°´×¡£¬¼ÌÐøÏòÆ¿ÖмÓË®ºó£¬¼Çϵ¯»É³ÓµÄʾÊýF1£¬È»ºóÊÍ·Åľ°å£¬²¢ÓÃÃë±í¼ÇÏÂľ°åÔ˶¯µ½PQ´¦µÄʱ¼ät¡£

¢Ùľ°åµÄ¼ÓËٶȿÉÒÔÓÃd¡¢t±íʾΪa£½________£»ÎªÁ˼õС²âÁ¿¼ÓËٶȵÄżȻÎó²î¿ÉÒÔ²ÉÓõķ½·¨ÊÇ£¨Ò»ÖÖ¼´¿É£©_____________________________________¡£

¢Ú¸Ä±äÆ¿ÖÐË®µÄÖÊÁ¿Öظ´ÊµÑ飬ȷ¶¨¼ÓËÙ¶ÈaÓ뵯»É³ÓʾÊýF1µÄ¹Øϵ¡£Í¼12ÖеÄͼÏóÄܱíʾ¸ÃͬѧʵÑé½á¹ûµÄÊÇ                               £¨     £©

¢ÛÓüÓË®µÄ·½·¨¸Ä±äÀ­Á¦µÄ´óСÓë¹Ò¹³ÂëµÄ·½·¨Ïà±È£¬ËüµÄÓŵãÊÇ________£®

A£®¿ÉÒԸı们¶¯Ä¦²ÁÁ¦µÄ´óС

B£®¿ÉÒÔ¸ü·½±ãµØ»ñÈ¡¶à×éʵÑéÊý¾Ý

C£®¿ÉÒԱȽϾ«È·µØ²â³öĦ²ÁÁ¦µÄ´óС

D£®¿ÉÒÔ»ñµÃ¸ü´óµÄ¼ÓËÙ¶ÈÒÔÌá¸ßʵÑ龫¶È

 

¡¾´ð°¸¡¿

¢Ù£»±£³ÖF1²»±ä£¬Öظ´ÊµÑé¶à´Î²âÁ¿£¬Çóƽ¾ùÖµ

¢ÚC¡¡

¢ÛBC

¡¾½âÎö¡¿ÂÔ

 

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2013?ɽÎ÷Ä£Ä⣩ijͬѧÉè¼ÆÁËÈçͼaµÄʵÑéµç·£¬ÓÃÀ´²â¶¨µç×èRxµÄ×è Öµ¡¢Ö±Á÷µçÔ´µÄµç¶¯ÊÆEºÍÄÚ×èr£®Ê¹ÓÃÆ÷²ÄµÄ¹æ¸ñÈçÏ£ºµçÁ÷ ±í£¨Á¿³Ì0¡«0.3A¡¢ÄÚ×èRA=1.2¦¸£©£¬µç×èÏäRN£¨Á¿³Ì0-999.9¦¸£© µ¥µ¶µ¥ÖÀ¿ª¹ØS1£¬µ¥µ¶Ë«ÖÀ¿ª¹ØS£¬µ¼ÏßÈô¸É£®

£¨1£©°´Í¼£¨a£©ËùʾµÄµç·£¬½«Í¼£¨b£©ËùʾµÄʵÎïÁ¬Ïß²¹»­ÍêÕû£»
£¨2£©¸ÃͬѧÊ×ÏȲâÇëµç×èRxµÄ×èÙ«£¬Íê³É²½ÖèÖеÄÌî¿Õ£º
¢Ù½«¿ª¹ØS1±ÕºÏ¡¢S²¦Ïò½Óµãl£¬¶Á³öµçÁ÷±íµÄϵÊýI1£¬£»
¢Ú±£³Ö¿ª¹ØS1±ÕºÏ£®°ÑRNµ÷µ½×î´óÖµ£¬È»ºó½«S²¦Ïò ½Óµã2£¬µ÷½Úµç×èÏäRNµÄ×èÖµ£¬Ê¹µÃµçÁ÷±íµÄʾÊýҲΪI1£¬´Ëʱµç×èÏäµÄÑôÖµÈçͼ£¨c£©Ëùʾ£»
¢ÛÔòRx=
24.6
24.6
¦¸£®
£¨3£©È»ºó²â¸ÃµçÔ´µÄµç¶¯ÊÆEºÍÄÚ×èr£®½«¿ª¹ØS1±ÕºÏ¡¢S²¦Ïò½Óµã2£¬µ÷½Úµç×èÏäRNµÄ×èÖµ£¬¼ÇÏÂRNµÄ×èÖµR¼°¶ÔÓ¦µÄµçÁ÷±íʾÊýI£®µÃµ½Èô¸É×éR¡¢IµÄÊý¾Ý£¬ÔÚ×ø±êÖ½ÉÏ×÷³ö
1I
-RµÄͼÏóÈçͼ£¨d£©Ëùʾ£®¸ù¾ÝͼÏóÇóµÃ¸ÃµçÔ´µÄµç¶¯ÊÆE=
6.40
6.40
V£¬ÄÚ×èr=
11.6
11.6
¦¸£®£¨±£ÁôÈýλÓÐЧÊý×Ö£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2011?ÐËÄþÇøÄ£Ä⣩ΪÁ˲âÁ¿ÓÉÁ½½Ú¸Éµç³Ø×é³ÉµÄµç³Ø×éµÄµç¶¯ÊƺÍÄÚµç×裬ijͬѧÉè¼ÆÁËÈçͼ¼×ËùʾµÄʵÑéµç·£¬ÆäÖÐRΪµç×èÏ䣬R0=5¦¸Îª±£»¤µç×裮
£¨1£©°´ÕÕͼ¼×ËùʾµÄµç·ͼ£¬½«Í¼ÒÒËùʾµÄʵÎïÁ¬½Ó³ÉʵÑéµç·£®
£¨2£©¶Ï¿ª¿ª¹ØS£¬µ÷Õûµç×èÏäµÄ×èÖµ£¬ÔٱպϿª¹ØS£¬¶ÁÈ¡²¢¼Ç¼µçѹ±íµÄʾÊý¼°µç×èÏä½ÓÈëµç·ÖеÄ×èÖµ£¬¶à´ÎÖظ´ÉÏÊö²Ù×÷£¬¿ÉµÃµ½¶à×éµçѹֵU¼°µç×èÖµR£¬²¢ÒÔ
1
U
Ϊ×Ý×ø±ê£¬ÒÔ
1
R
Ϊºá×ø±ê£¬»­³ö
1
U
-
1
R
µÄ¹ØϵͼÏߣ¨¸ÃͼÏßΪһֱÏߣ©£¬Èçͼ±ûËùʾ£¬ÓÉͼÏß¿ÉÇóµÃµç³Ø×éµÄµç¶¯ÊÆE=
2.9
2.9
V£¬ÄÚ×èr=
1.1
1.1
¦¸£®£¨±£ÁôÁ½Î»ÓÐЧÊý×Ö£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2011?ÅÊÖ¦»¨ÈýÄ££©ÎªÁ˲âÁ¿µçÔ´µç¶¯ÊƺÍÄÚµç×裬ijͬѧÉè¼ÆÁËÈçͼËùʾµÄµç·£¬²¢ÓÃÏÂÁÐʵÑéÆ÷²Ä
A£®¸Éµç³Ø£¨´ý²â£©
B£®¶¨Öµµç×èR1¡¢R2£¨×èֵĩ֪£©
C£®µç×èÏäR3£®
D£®µçÁ÷±íA£¨ÄÚ×èºÜС£©
E£®µçѹ±íV£¨ÄÚ×èºÜ´ó£©
F£®¿ª¹ØK1¡¢K2
G£®µ¼ÏßÈô¸É
¢ÙÇëÓñʻ­Ïߣ¬½«´ðÌ⿨ÉϵÄʵÎïͼÁ¬½ÓºÃ£®
¢ÚʵÑé²½ÖèΪ£º±ÕºÏ¿ª¹ØK1¡¢K2£¬µ÷½Ú»¬¶¯±ä×èÆ÷R3£¬µ±R3=2.4¦¸Ê±£¬µçÁ÷±í0.8A£¬µçѹ±í¶ÁÊýΪ2V£»±£³Ö»¬¶¯±ä×èÆ÷R3µÄ×èÖµ²»±ä£¬¶Ï¿ª¿ª¹ØK2£¬Á½µç±íµÄ¶ÁÊý·Ö±ð±äΪ0.9AºÍ3.6V£®Ôò¸Ãµç³ØµÄµç¶¯ÊÆΪ
4.5
4.5
V£¬ÄÚ×èΪ
1
1
¦¸£®
¢Û±¾ÊµÑéµÄϵͳÎó²îÀ´Ô´ÓÚ
µçѹ±íÄÚ×è
µçѹ±íÄÚ×è
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ijͬѧÉè¼ÆÁËÈçͼ11ËùʾµÄ×°ÖÃÀ´Ì½¾¿¼ÓËÙ¶ÈÓëÁ¦µÄ¹Øϵ¡£µ¯»É³Ó¹Ì¶¨ÔÚÒ»ºÏÊʵÄľ°åÉÏ£¬×ÀÃæµÄÓÒ±ßÔµ¹Ì¶¨Ò»Ö§±íÃæ¹â»¬µÄǦ±ÊÒÔ´úÌ涨»¬ÂÖ£¬Ï¸ÉþµÄÁ½¶Ë·Ö±ðÓ뵯»É³ÓµÄ¹Ò¹³ºÍ¿óȪˮƿÁ¬½Ó¡£ÔÚ×ÀÃæÉÏ»­³öÁ½ÌõƽÐÐÏßMN¡¢PQ£¬²¢²â³ö¼ä¾àd¡£¿ªÊ¼Ê±½«Ä¾°åÖÃÓÚMN´¦£¬ÏÖ»ºÂýÏòÆ¿ÖмÓË®£¬Ö±µ½Ä¾°å¸Õ¸Õ¿ªÊ¼Ô˶¯ÎªÖ¹£¬¼Çϵ¯»É³ÓµÄʾÊýF0£¬ÒԴ˱íʾ»¬¶¯Ä¦²ÁÁ¦µÄ´óС¡£ÔÙ½«Ä¾°å·Å»ØÔ­´¦²¢°´×¡£¬¼ÌÐøÏòÆ¿ÖмÓË®ºó£¬¼Çϵ¯»É³ÓµÄʾÊýF1£¬È»ºóÊÍ·Åľ°å£¬²¢ÓÃÃë±í¼ÇÏÂľ°åÔ˶¯µ½PQ´¦µÄʱ¼ät¡£

¢Ùľ°åµÄ¼ÓËٶȿÉÒÔÓÃd¡¢t±íʾΪa£½________£»ÎªÁ˼õС²âÁ¿¼ÓËٶȵÄżȻÎó²î¿ÉÒÔ²ÉÓõķ½·¨ÊÇ£¨Ò»ÖÖ¼´¿É£©_____________________________________¡£

¢Ú¸Ä±äÆ¿ÖÐË®µÄÖÊÁ¿Öظ´ÊµÑ飬ȷ¶¨¼ÓËÙ¶ÈaÓ뵯»É³ÓʾÊýF1µÄ¹Øϵ¡£Í¼12ÖеÄͼÏóÄܱíʾ¸ÃͬѧʵÑé½á¹ûµÄÊÇ                              £¨     £©

¢ÛÓüÓË®µÄ·½·¨¸Ä±äÀ­Á¦µÄ´óСÓë¹Ò¹³ÂëµÄ·½·¨Ïà±È£¬ËüµÄÓŵãÊÇ________£®

A£®¿ÉÒԸı们¶¯Ä¦²ÁÁ¦µÄ´óС

B£®¿ÉÒÔ¸ü·½±ãµØ»ñÈ¡¶à×éʵÑéÊý¾Ý

C£®¿ÉÒԱȽϾ«È·µØ²â³öĦ²ÁÁ¦µÄ´óС

D£®¿ÉÒÔ»ñµÃ¸ü´óµÄ¼ÓËÙ¶ÈÒÔÌá¸ßʵÑ龫¶È

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸