(10·Ö)ѧУʵÑéС×éÔÚ×ö¡°ÑéÖ¤»úеÄÜÊغ㶨ÂÉ¡±ÊµÑéʱ£¬Ìá³öÁËÈçͼ¼×¡¢ÒÒËùʾµÄÁ½ÖÖ·½°¸£º¼×·½°¸ÎªÓÃ×ÔÓÉÂäÌåÔ˶¯½øÐÐʵÑ飻ÒÒ·½°¸ÎªÓÃС³µÔÚľ°åбÃæÉÏÏ»¬½øÐÐʵÑ飮
 
(1)С×éÄÚͬѧ¶ÔÁ½ÖÖ·½°¸½øÐÐÁËÌÖÂÛ·ÖÎö£¬×îÖÕÈ·¶¨ÁËÒ»¸ö´ó¼ÒÈÏΪÎó²îÏà¶Ô½ÏСµÄ·½°¸£¬ÄãÈÏΪ¸ÃС×éÑ¡ÔñµÄ·½°¸ÊÇ________(Ìî¡°¼×¡±»ò¡°ÒÒ¡±)
(2)Èô¸ÃС×é²ÉÓÃͼ¼×µÄ×°Öôò³öÒ»ÌõÖ½´øÈçͼËùʾ£¬ÏàÁÚÁ½µãÖ®¼äµÄʱ¼ä¼ä¸ôΪ0.02s£¬Çë¸ù¾ÝÖ½´ø¼ÆËã³ö´òÏÂDµãʱֽ´øµÄËٶȴóСΪ___________.(½á¹û±£ÁôÈýλÓÐЧÊý×Ö)
(3)¸ÃС×éÄÚͬѧÃǸù¾ÝÖ½´øËã³öÁËÏàÓ¦µãµÄËÙ¶È,×÷³öµÄͼÏßÈçͼËùʾ£¬ÔòͼÏßбÂʵÄÎïÀíÒâÒåÊÇ_____________________________________£®

£¨1£©¼× £¨3·Ö£©£¨2£©1.75 £¨3·Ö£© £¨3£©µ±µØÖØÁ¦¼ÓËٶȵÄ2±¶ £¨4·Ö£©

½âÎöÊÔÌâ·ÖÎö£º£¨1£©Óɼ×ÒÒÁ½Í¼¿ÉÖª²ÉÓÃÒÒͼʵÑéʱ£¬ÓÉÓÚС³µÓëбÃæ¼ä´æÔÚĦ²ÁÁ¦µÄ×÷ÓÃÇÒ²»ÄܺöÂÔ£¬ËùÒÔС³µÔÚÏ»¬µÄ¹ý³ÌÖлúеÄܲ»Êغ㣬¹ÊÒÒͼ²»ÄÜÓÃÓÚÑéÖ¤»úеÄÜÊغ㣬¶ø¼×ͼÖÐĦ²ÁԶԶСÓÚÒÒͼ´æÔÚµÄĦ²Á£¬ÓÉ´Ë¿ÉÖª¼×ͼÑéÖ¤»úеÄÜÊغã¸üºÏÊÊ£®
£¨2£©ÀûÓÃÔȱäËÙÖ±ÏßÔ˶¯ÖÐʱ¼äÖеãµÄ˲ʱËٶȵÈÓڸùý³ÌÖеÄƽ¾ùËٶȣ¬
Òò´ËÓУº
£¨3£©ÓÉ»úеÄÜÊغ㶨ÂÉ£ºµÃ£¬ÓÉ´Ë¿É֪ͼÏóµÄбÂÊ£¬¾Í¿ÉÒÔÇó³öµ±µØµÄÖØÁ¦¼ÓËÙ¶È.
¿¼µã£º±¾Ì⿼²éÁËÑéÖ¤»úеÄÜÊغ㶨ÂÉ£®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

£¨10·Ö£©Ä³Í¬Ñ§ÀûÓõçѹ±íºÍµç×èÏä²â¶¨Ò»ÖÖÌØÊâµç³ØµÄµç¶¯ÊÆ£¨µç¶¯ÊÆ´óÔ¼ÔÚ9V×óÓÒ£¬ÄÚ×èԼΪ50¦¸£©£¬ÒÑÖª¸Ãµç³ØÔÊÐíÊä³öµÄ×î´óµçÁ÷ l50mA£®¸ÃͬѧÀûÓÃÈçͼ£¨a£©ËùʾµÄµç·½øÐÐʵÑ飬ͼÖеçѹ±íµÄÄÚ×èԼΪ2K¦¸£¬RΪµç×èÏ䣮×èÖµ·¶Î§0¡«9999¦¸£¬R0ÊǶ¨Öµµç×裬Æð±£»¤µç·µÄ×÷Óã®

(1)ʵÑéÊÒ±¸Óж¨Öµµç×èµÄ×èÖµÓÐÒÔϼ¸ÖÖ¹æ¸ñ£º
A£®2¦¸    B£®20¦¸    C£®200¦¸  D£®2000¦¸,
±¾ÊµÑéӦѡ          (ÌîÈëÏàÓ¦µÄ×Öĸ)×÷Ϊ±£»¤µç×裮
(2)¸ÃͬѧÍê³Éµç·µÄÁ¬½Óºó£¬±ÕºÏ¿ª¹ØS£¬µ÷½Úµç×èÏäµÄ×èÖµ£¬¶ÁÈ¡µçѹ±íµÄʾÊý£¬ÆäÖеçѹ±íµÄijһ´ÎƫתÈçͼ£¨b£©Ëùʾ£¬Æä¶ÁÊýΪ_______ V £®

(3)¸Ä±äµç×èÏä×èÖµ£¬È¡¶à×éÊý¾Ý£¬×÷³öÁËÈçͼ£¨c£©ËùʾµÄͼÏߣ¬Ôò¸ù¾Ý¸Ãͬѧ×÷³öµÄͼÏß¿ÉÇóµÃµç³ØµÄµç¶¯ÊÆΪ_______V£¬ÄÚ×èΪ       ¦¸£®£¨½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©

(4)Óøõç·²âµç¶¯ÊÆÓëÄÚ×裬²âÁ¿ºÍÕæʵֵµÄ¹Øϵ   £¬__ (Ìî¡°´óÓÚ¡±¡¢¡°Ð¡ÓÚ¡±»ò¡°µÈÓÚ¡±)

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

(5·Ö)Òª²â»æÒ»¸ö±êÓС°3 V£®6 w¡±Ð¡µÆÅݵķü°²ÌØÐÔÇúÏߣ¬µÆÅÝÁ½¶ËµÄµçѹÐèÒªÓÉÁãÖð½¥Ôö¼Óµ½3 V£¬²¢±ãÓÚ²Ù×÷¡£ÒÑÑ¡ÓõÄÆ÷²ÄÓУº
µç³Ø×é(µç¶¯ÊÆ4£®5 V£¬ÄÚ×èÔ¼1 )£»
µçÁ÷±í(Á¿³ÌΪ0Ò»250 mA£¬ÄÚ×èÔ¼5 )£»
µçѹ±í(Á¿³ÌΪ0---- 3 V£¬ÄÚ×èÔ¼3 k )£»
µç¼üÒ»¸ö¡¢µ¼ÏßÈô¸É¡£
(1)ʵÑéÖÐËùÓõĻ¬¶¯±ä×èÆ÷ӦѡÏÂÁÐÖеĠ  (Ìî×Öĸ´úºÅ)¡£
A.»¬¶¯±ä×èÆ÷(×î´ó×èÖµ20 £¬¶î¶¨µçÁ÷1 A)
B£®»¬¶¯±ä×èÆ÷(×î´ó×èÖµ1750£¬¶î¶¨µçÁ÷0.3 A)
(2)ʵÑéµÄµç·ͼӦѡÓÃÏÂÁеÄͼ   (Ìî×Öĸ´úºÅ)¡£

(3)ʵÑéµÃµ½Ð¡µÆÅݵķü°²ÌØÐÔÇúÏßÈçͼËùʾ¡£ÏÖ½«Á½¸öÕâÑùµÄСµÆÅݲ¢ÁªºóÔÙÓëÒ»¸ö2µÄ¶¨Öµµç×èR´®Áª£¬½ÓÔڵ綯ÊÆΪ1£®5 V¡¢ÄÚ×èΪ1 µÄµçÔ´Á½¶Ë£¬ÈçͼËùʾ¡£Ã¿¸öСµÆÅÝÏûºÄµÄ¹¦ÂÊÊÇ   W¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

(10·Ö)ÔÚ¿Æѧ̽¾¿»î¶¯ÖУ¬¶ÔʵÑéÊý¾Ý½øÐзÖÎö¹éÄɵóö½áÂÛÊǷdz£ÖØÒªµÄ»·½Ú£¬ÏÂÃæµÄ±í¸ñÖеÄÊý¾ÝÊÇijͬѧÔÚÎïÌå×÷Ö±ÏßÔ˶¯¹ý³ÌÖвâµÃµÄλÒÆsºÍʱ¼ätµÄÊý¾Ý¼Ç¼¡£

ÎïÌåÔ˶¯µÄÆðÖ¹µã
Ëù²âµÄÎïÀíÁ¿
1
2
3
4
5
A¡úB
ʱ¼ät(s)
0.89
1.24
1.52
1.76
1.97
λÒÆs(m)
0.25
0.50
0.75
1.00
1.25
¢ÅÇëÄãÔÚÏÂÁм×ͼµÄÍø¸ñÖÐ×÷s-tͼÏó£»

¢Æ¸Ãͬѧ²ÂÏëͼÏß½Ó½üÓÚ¶þ´Îº¯ÊýµÄͼÏó£¬ÎªÁËÑéÖ¤Õâ¸ö²ÂÏ룬ÇëÄãͨ¹ýת»»±äÁ¿ÔÚÒÒͼµÄÍø¸ñÖÐ×÷ÏàÓ¦µÄͼÏó£»
¢Çͨ¹ýÉÏÊö´¦Àí£¬ÄãÈÏΪÎïÌå´ÓA¡úBµÄ¹ý³ÌÖУ¬sËæt±ä»¯µÄ¹æÂÉÊÇ£º               (ÓÃs¡¢t±íʾ£¬Éæ¼°Êý×Ö£¬¼ÆËã½á¹û±£Áô2λÓÐЧÊý×Ö)¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

¡°Ì½¾¿Á¦µÄƽÐÐËıßÐζ¨Ôò¡±µÄʵÑéÈçͼ¼×Ëùʾ£¬ÆäÖÐAΪ¹Ì¶¨ÏðƤ½îµÄͼ¶¤£¬OΪÏðƤ½îÓëϸÏߵĽáµã£¬OBºÍOCΪϸÉþ£®Í¼ÒÒËùʾÊÇÔÚ°×Ö½Éϸù¾ÝʵÑé½á¹û»­³öµÄͼ£®

(1)ͼÒÒÖеÄ________ÊÇÁ¦F1ºÍF2µÄºÏÁ¦µÄÀíÂÛÖµ£»________ÊÇÁ¦F1ºÍF2µÄºÏÁ¦µÄʵ¼Ê²âÁ¿Öµ£®
(2)ÔÚʵÑéÖУ¬Èç¹û½«Ï¸ÉþÒ²»»³ÉÏðƤ½î£¬ÄÇôʵÑé½á¹ûÊÇ·ñ»á·¢Éú±ä»¯£¿´ð£º________.(Ñ¡Ìî¡°±ä¡±»ò¡°²»±ä¡±)£®
(3)±¾ÊµÑé²ÉÓõĿÆѧ·½·¨ÊÇ(¡¡¡¡)

A£®ÀíÏëʵÑé·¨B£®µÈЧÌæ´ú·¨
C£®¿ØÖƱäÁ¿·¨D£®½¨Á¢ÎïÀíÄ£ÐÍ·¨

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

£¨12·Ö£©Ä³Í¬Ñ§ÀûÓÃÈçͼ¼×ËùʾµÄʵÑé×°ÖòâÁ¿ÖØÁ¦¼ÓËٶȡ£

¢ÙÇëÖ¸³ö¸ÃͬѧÔÚʵÑé²Ù×÷ÖдæÔÚµÄÁ½´¦´íÎó£º
a____________________________________________£»
b____________________________________________¡£
¢Ú¸Ãͬѧ¾­ÕýÈ·²Ù×÷µÃµ½ÈçͼÒÒËùʾµÄÖ½´ø£¬È¡Á¬ÐøµÄÁù¸öµã£¬²âµÃh1¡¢h2¡¢h3¡¢h4¡¢h5£®Èô´òµãµÄÖÜÆÚΪT£¬Ôò´òEµãʱËÙ¶ÈΪvE £½___________£»Èô·Ö±ð¼ÆËã³ö¸÷¼ÆÊýµã¶ÔÓ¦µÄËÙ¶ÈÊýÖµ£¬²¢ÔÚ×ø±êϵÖл­³öv2ÓëhµÄ¹ØϵͼÏߣ¬Èçͼ±ûËùʾ£¬ÔòÖØÁ¦¼ÓËÙ¶Èg£½_________m£¯s2£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

Ôڲⶨһ½Ú¸Éµç³Ø£¨µç¶¯ÊÆԼΪ1.5V£¬ÄÚ×èԼΪ2¦¸£©µÄµç¶¯ÊƺÍÄÚ×èµÄʵÑéÖУ¬±ä×èÆ÷ºÍµçѹ±í¸÷ÓÐÁ½¸ö¹©Ñ¡Óãº
Aµçѹ±íÁ¿³ÌΪ15V £¬B µçѹ±íÁ¿³ÌΪ3V ,
A ±ä×èÆ÷Ϊ£¨20¦¸£¬3A £© B ±ä×èÆ÷Ϊ£¨500¦¸£¬0.2A £© £®
£¨1£©µçѹ±íÓ¦¸ÃÑ¡______£¨ÌîA»òB£©£¬ÕâÊÇÒòΪ_____        ___       ¡£
£¨2£©±ä×èÆ÷Ӧѡ      £¨ÌîA»òB£©£¬ ÕâÊÇÒòΪ­­_________          ____¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

£¨12·Ö£©Óë´òµã¼ÆʱÆ÷Ò»Ñù£¬¹âµç¼ÆʱÆ÷Ò²ÊÇÒ»ÖÖÑо¿ÎïÌåÔ˶¯Çé¿öµÄ³£ÓüÆʱÒÇÆ÷£¬Æä½á¹¹ÈçͼËùʾ£¬a¡¢b ·Ö±ðÊǹâµçÃŵļ¤¹â·¢ÉäºÍ½ÓÊÕ×°Ö㬵±ÓÐÎïÌå´Óa¡¢b¼äͨ¹ýʱ£¬¹âµç¼ÆʱÆ÷¾Í¿ÉÒÔÏÔʾÎïÌåµÄµ²¹âʱ¼ä¡£ÏÖÀûÓÃͼËùʾװÖÃÑéÖ¤»úеÄÜÊغ㶨ÂÉ¡£Í¼ÖÐABÊǹ̶¨µÄ¹â»¬Ð±Ã棬бÃæµÄÇã½ÇΪ300£¬1ºÍ2Êǹ̶¨ÔÚбÃæÉÏÊʵ±Î»ÖõÄÁ½¸ö¹âµçÃÅ£¬ÓëËüÃÇÁ¬½ÓµÄ¹âµç¼ÆʱÆ÷¶¼Ã»Óл­³ö¡£Èû¬¿é´ÓбÃæµÄ¶¥¶Ë»¬Ï£¬¹âµçÃÅ1¡¢2¸÷×ÔÁ¬½ÓµÄ¹âµç¼ÆʱÆ÷ÏÔʾµÄµ²¹âʱ¼ä·Ö±ðΪ5.00¡Á10£­2s¡¢2.00¡Á10£­2s¡£ÒÑÖª»¬¿éÖÊÁ¿Îª2.00kg£¬»¬¿éÑØбÃæ·½ÏòµÄ¿í¶ÈΪ5.00cm£¬¹âµçÃÅ1ºÍ2Ö®¼äµÄ¾àÀëΪ0.540m£¬g£½9.80m/s2£¬È¡»¬¿é¾­¹ý¹âµçÃÅʱµÄËÙ¶ÈΪÆäƽ¾ùËٶȡ£(½á¹û±£ÁôÈýλÓÐЧÊý×Ö)

¢Ù»¬¿éͨ¹ý¹âµçÃÅ1ʱµÄËÙ¶Èv1£½       m/s£¬Í¨¹ý¹âµçÃÅ2ʱµÄËÙ¶Èv2£½       m/s£»
¢Ú»¬¿éͨ¹ý¹âµçÃÅ1¡¢2Ö®¼äµÄ¶¯ÄÜÔö¼ÓÁ¿Îª     J£¬ÖØÁ¦ÊÆÄܵļõÉÙÁ¿Îª     J¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

ÔÚ¡°Ì½¾¿Ð¡³µËÙ¶ÈËæʱ¼ä±ä»¯¹æÂÉ¡±µÄʵÑéÖУº
£¨1£©ÓÉ´òµã¼ÆʱÆ÷´ò³öµÄÖ½´ø£¬²»Óù«Ê½¼ÆËã¾Í¿ÉÒÔÖ±½ÓµÃ³öµÄÎïÀíÁ¿ÊÇ£º    
A.ƽ¾ùËٶȠ      B.˲ʱËٶȠ        C.¼ÓËٶȠ     D.ʱ¼ä¼ä¸ô
£¨2£©ÏÂÁвÙ×÷ÖÐÕýÈ·µÄÓР      
A£®ÔÚÊÍ·ÅС³µÇ°£¬Ð¡³µÒª¿¿½ü´òµã¼ÆʱÆ÷
B£®´òµã¼ÆʱÆ÷Ó¦·ÅÔÚ³¤Ä¾°åÓл¬ÂÖµÄÒ»¶Ë
C£®Ó¦ÏȽÓͨµçÔ´£¬ºóÊÍ·ÅС³µD£®´òµã¼ÆʱÆ÷ӦʹÓÃÖ±Á÷µçÔ´
£¨3£©ÏÂͼµÄÖ½´ø¼Ç¼ÁËС³µÄ³´ÎÔ˶¯µÄÇé¿ö£¬ÆäÖÐÁ½ÏàÁÚ¼ÆÊýµã¼äÓÐËĸöµãδ»­³ö£®ÒÑÖªËùÓõçÔ´µÄƵÂÊΪ50Hz£¬Ôò´òAµãʱС³µÔ˶¯µÄËٶȴóСvA£½____m/s£¬Ð¡³µÔ˶¯µÄ¼ÓËٶȴóСa£½______m/s2.(½á¹û¾ù±£ÁôÈýλÓÐЧÊý×Ö)

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸