ÓÃÈçͼ¼×ËùʾµÄµç·ͼÑо¿µÆÅÝL£¨2.4V£¬1.0W£©µÄ·ü°²ÌØÐÔ£¬²¢²â³ö¸ÃµÆÅÝÔڶµçѹÏÂÕý³£¹¤×÷ʱµÄµç×èÖµ£¬¼ìÑéÆä±êʾµÄ׼ȷÐÔ¡£
£¨1£©ÔڱպϿª¹ØSÇ°£¬»¬¶¯±ä×èÆ÷´¥Í·Ó¦·ÅÔÚ___________¶Ë¡££¨Ñ¡Ìî¡°a¡±»ò¡°b¡±£©
£¨2£©¸ù¾Ýµç·ͼ£¬ÇëÔÚͼÒÒÖÐÒԱʻ®Ïß´úÌæµ¼Ïß½«ÊµÎïͼ²¹³äÍêÕû¡£
£¨3£©ÊµÑéºó×÷³öµÄU¡ªIͼÏóÈçͼ±ûËùʾ£¬Í¼ÖÐÇúÏßÍäÇúµÄÖ÷ÒªÔ­ÒòÊÇ£º_________¡£
£¨4£©¸ù¾ÝËùµÃµ½µÄͼÏóÈçͼ±ûËùʾ£¬Çó³öËüÔڶµçѹ£¨2.4V£©Ï¹¤×÷ʱµÄµç×èÖµR=_______£¬Õâ¸ö²âÁ¿Öµ±ÈÕæʵֵƫ____________¡££¨Ñ¡Ìî¡°´ó¡±»ò¡°Ð¡¡±£©
£¨1£©a ¢Æ ¼ûÏÂͼ£¨3£©Ð¡µÆÅݵĵç×èËæ×ŵçѹµÄÉý¸ß¶øÔö´ó£¨4£©4.8 Ð¡    

ÊÔÌâ·ÖÎö£º£¨1£©ÓÉͼ¼×Öªµ±»¬¶¯´¥Í·´òµ½a¶Ëʱͨ¹ýµçÁ÷±íµÄµçÁ÷ÊÇÁ㣬Ϊ·ÀÖ¹ÉÕ±í£¬ÔڱպϿª¹ØSÇ°£¬»¬¶¯±ä×èÆ÷´¥Í·Ó¦·ÅÔÚa¶Ë£®
£¨2£©¸ù¾Ýµç·ͼÁ¬ÏßʵÎïͼÈçͼËùʾ£®

£¨3£©Í¼ÖÐÇúÏßÍäÇúµÄÖ÷ÒªÔ­ÒòÊÇËæ×ŵÆË¿ÖеĵçÁ÷Ôö´ó£¬Î¶ÈÉý¸ß£¬µÆË¿µÄµç×èÂÊÔö´ó£¬µç×èÔö´ó£®
£¨4£©ÓÉͼ±û֪СµÆÅÝÔڶµçѹ£¨2.4V£©Ï¹¤×÷ʱµÄµçÁ÷Ϊ0.5A£¬ÓÉR= =4.8¦¸£¬¸ù¾ÝÅ·Ä·¶¨ÂÉ£¬ÓÉÓÚµçѹ±íµÄ·ÖÁ÷ʹµÃµçÁ÷±í²âÁ¿Öµ´óÓÚͨ¹ýСµÆÅݵÄʵ¼ÊµçÁ÷£¬¹Ê²âµÃµÄµç×èֵƫС£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÎÊ´ðÌâ

£¨1£©Èçͼ1ËùʾµÄ¼×¡¢ÒÒÁ½¸öµç·£¬¶¼ÊÇÓÉÒ»¸öÁéÃôµçÁ÷¼ÆGºÍÒ»¸ö±ä×èÆ÷R×é³É£¬ËüÃÇÖ®ÖÐÒ»¸öÊDzâµçѹµÄµçѹ±í£¬ÁíÒ»¸öÊDzâµçÁ÷µÄµçÁ÷±í£¬ÄÇôÒÔϽáÂÛÖÐÕýÈ·µÄÊÇ______

A£®¼×±íÊǵçÁ÷±í£¬RÔö´óʱÁ¿³ÌÔö´ó£»
B£®¼×±íÊǵçÁ÷±í£¬RÔö´óʱÁ¿³Ì¼õС£»
C£®ÒÒ±íÊǵçѹ±í£¬RÔö´óʱÁ¿³Ì¼õС£»
D£®ÒÒ±íÊǵçÁ÷±í£¬RÔö´óʱÁ¿³ÌÔö´ó£®
£¨2£©ÔÚ¡°²â½ðÊôµç×èÂÊ¡±ÊµÑéÖУ¬ÂÝÐý²â΢Æ÷²â½ðÊôË¿µÄÖ±¾¶µÄ¶ÁÊýÈçͼ2Ëùʾ£¬ÔòÖ±¾¶d=0.900mm£¬²âµÃ½ÓÈëµç·µÄ½ðÊôË¿µÄ³¤¶ÈΪL£¬ÒÑÖªÆäµç×è´óԼΪ25¦¸£®
ÔÚÓ÷ü°²·¨×¼È·²âÆäµç×èʱ£¬ÓÐÏÂÁÐÆ÷²Ä¹©Ñ¡Ôñ£¬
A1µçÁ÷±í£¨Á¿³Ì40mA£¬ÄÚ×èÔ¼0.5¦¸£©
A2µçÁ÷±í£¨Á¿³Ì10mA£¬ÄÚ×èÔ¼0.6¦¸£©
V1µçѹ±í£¨Á¿³Ì6V£¬ÄÚ×èÔ¼30k¦¸£©
V2µçѹ±í£¨Á¿³Ì1.2V£¬ÄÚ×èÔ¼µÄ20k¦¸£©
R1»¬¶¯±ä×èÆ÷£¨·¶Î§0-10¦¸£©
R2»¬¶¯±ä×èÆ÷£¨·¶Î§0-2k¦¸£©
³ý±ØÑ¡µçÔ´£¨µç¶¯ÊÆ1.5V£¬ÄÚ×èºÜС£©¡¢µ¼Ïß¡¢¿ª¹ØÍ⣬µçÁ÷±íӦѡ______£¬µçѹ±íӦѡ______£¬»¬¶¯±ä×èÆ÷Ӧѡ______£®£¨Ìî´úºÅ£©²¢½«Éè¼ÆºÃµÄ²âÁ¿µç·ԭÀíͼ»­ÔÚÈçͼ3ËùʾµÄÐé¿òÄÚ£®
£¨3£©Èôµçѹ±í¡¢µçÁ÷±í¶ÁÊýÓÃU¡¢I±íʾ£¬ÓÃÉÏÊö²âµÃµÄÎïÀíÁ¿¼ÆËã½ðÊôË¿µÄµç×èÂʵıíʾʽΪ¦Ñ=______£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºµ¥Ñ¡Ìâ

ÔÚÈçͼËùʾµÄµç·ÖУ¬¿ª¹ØS±ÕºÏºó£¬ÓÉÓÚµç×èÔª¼þ·¢Éú¶Ì·»ò¶Ï·¹ÊÕÏ£¬µçѹ±íºÍµçÁ÷±íµÄ¶ÁÊý¶¼Ôö´ó£¬Ôò¿ÉÄܳöÏÖÁËÏÂÁÐÄÄÖÖ¹ÊÕÏ£º£¨    £©
A£®R1¶Ì·B£®R2¶Ì·C£®R3¶Ì·D£®R1¶Ï·

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£º¼ÆËãÌâ

ÈçͼËùʾ£¬ÔÚÒÔOΪԲÐÄ£¬°ë¾¶ÎªR=l0cmµÄÔ²ÐÎÇøÓòÄÚ£¬ÓÐÒ»¸öˮƽ·½ÏòµÄÔÈÇ¿´Å³¡£¬´Å¸ÐӦǿ¶È´óСΪB="0." 10 T£¬·½Ïò´¹Ö±Ö½ÃæÏòÍ⣮ÊúֱƽÐзÅÖõÄÁ½¸ö½ðÊô°åA¡¢KÁ¬ÔÚÈçÓÒͼËùʾµÄµç·ÖУ®µçÔ´µç¶¯ÊÆE=" 91" V£¬ÄÚ×èr=1£®O£¬¶¨Öµµç×è=l0£¬»¬¶¯±ä×èÆ÷µÄ×î´ó×èֵΪ80 ,¡¢ÎªA¡¢K°åÉϵÄÁ½¸öС¿×£¬ÇÒ,¡¢ÓëO¶¼ÔÚͬһˮƽֱÏßÉÏ£¬ÁíÓÐһˮƽ·ÅÖõÄ×ã¹»³¤µÄÓ«¹âÆÁD£¬Oµã¸úÓ«¹âÆÁDÖ®¼äµÄ¾àÀëΪH="3" R£®±ÈºÉ£¨´øµçÁ£×ӵĵçÁ¿ÓëÖÊÁ¿Ö®±È£©Îª2£®0¡Ál0C/kgµÄ´øÕýµçµÄÁ£×ÓÓɽøÈëµç³¡ºó£¬Í¨¹ýÏò´Å³¡ÖÐÐÄÉäÈ¥£¬Í¨¹ý´Å³¡ºó´òµ½Ó«¹âÆÁDÉÏ£®Á£×Ó½øÈëµç³¡µÄ³õËٶȡ¢ÖØÁ¦¾ù¿ÉºöÂÔ²»¼Æ£®

£¨1£©Èç¹ûÁ£×Ó´¹Ö±´òÔÚÓ«¹âÆÁÉϵÄPµã£¬µçѹ±íµÄʾÊýΪ¶à´ó£¿
£¨2£©µ÷½Ú»¬¶¯±ä×èÆ÷»¬Æ¬PµÄλÖã¬ÇóÁ£×Ó´òµ½Ó«¹âÆÁµÄ·¶Î§£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

£¨11·Ö£©ÈçͼÊDzâÁ¿×èÖµÔ¼¼¸Ê®Å·µÄδ֪µç×èRxµÄÔ­Àíͼ£¬Í¼ÖÐR0ÊDZ£»¤µç×裨10¦¸£©£¬R1Êǵç×èÏ䣨0¡«99.9¦¸£©£¬RÊÇ»¬¶¯±ä×èÆ÷£¬A1ºÍA2ÊǵçÁ÷±í£¬EÊǵçÔ´£¨µç¶¯ÊÆ10V£¬ÄÚ×èºÜС£©¡£
ÔÚ±£Ö¤°²È«ºÍÂú×ãÒªÇóµÄÇé¿öÏ£¬Ê¹²âÁ¿·¶Î§¾¡¿ÉÄÜ´ó¡£ÊµÑé¾ßÌå²½ÖèÈçÏ£º

£¨i£©Á¬½ÓºÃµç·£¬½«»¬¶¯±ä×èÆ÷Rµ÷µ½×î´ó£»
£¨ii£©±ÕºÏS£¬´Ó×î´óÖµ¿ªÊ¼µ÷½Úµç×èÏäR1£¬Ïȵ÷R1ΪÊʵ±Öµ£¬ÔÙµ÷»¬¶¯±ä×èÆ÷R£¬Ê¹A1ʾÊýI1 = 0.15A£¬¼ÇÏ´Ëʱµç×èÏäµÄ×èÖµR1ºÍA2ʾÊýI2¡£
£¨iii£©Öظ´²½Ö裨ii£©£¬ÔÙ²àÁ¿6×éR1ºÍI2£»
£¨iv£©½«ÊµÑéÖ޵õÄ7×éÊý¾ÝÔÚ×ø±êÖ½ÉÏÃèµã¡£
¸ù¾ÝʵÑé»Ø´ðÒÔÏÂÎÊÌ⣺
¢Ù ÏÖÓÐËÄÖ»¹©Ñ¡ÓõĵçÁ÷±í£º
A£®µçÁ÷±í£¨0¡«3mA£¬ÄÚ×èΪ2.0¦¸£©
B£®µçÁ÷±í£¨0¡«3mA£¬ÄÚ×èδ֪£©
C£®µçÁ÷±í£¨0¡«0.3A£¬ÄÚ×èΪ5.0¦¸
D£®µçÁ÷±í£¨0¡«0.3A£¬ÄÚ×èδ֪£©
A1ӦѡÓà      £¬A2ӦѡÓà       ¡£
¢Ú ²âµÃÒ»×éR1ºÍI2Öµºó£¬µ÷Õûµç×èÏäR1£¬Ê¹Æä×èÖµ±äС£¬ÒªÊ¹A1ʾÊýI1 = 0.15A£¬Ó¦Èû¬¶¯±ä×èÆ÷R½ÓÈëµç·µÄ×èÖµ        £¨Ñ¡Ìî¡°²»±ä¡±¡¢¡°±ä´ó¡±»ò¡°±äС¡±£©¡£
¢Û ÔÚ×ø±êÖ½ÉÏ»­³öR1ÓëI2µÄ¹Øϵͼ¡£

¢Ü ¸ù¾ÝÒÔÉÏʵÑéµÃ³öRx =          ¦¸¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºµ¥Ñ¡Ìâ

ÈçͼËùʾµç·ÖУ¬ÒÑÖªµçÔ´µÄÄÚ×èr£¼R2£¬µç×èR1µÄ×èֵСÓÚ»¬¶¯±ä×èÆ÷R0µÄ×î´ó×èÖµ¡£±ÕºÏµç¼üS£¬µ±»¬¶¯±ä×èÆ÷µÄ»¬±ÛPÓɱä×èÆ÷µÄÖеãÏò×󻬶¯µÄ¹ý³ÌÖУ¬ÏÂÁÐ˵·¨ÖÐÕýÈ·µÄÓУ¨ £©
A£®A1µÄʾÊý²»¶Ï¼õС£¬A2µÄʾÊý²»¶Ï¼õС£¬
B£®V1µÄʾÊýÏȱäСºó±ä´ó£¬V2µÄʾÊýÏȱä´óºó±äС¡£
C£®µçÔ´ÄÚ²¿µÄÈȹ¦ÂÊÏȱä´óºó±äС
D£®µçÔ´µÄÊä³ö¹¦ÂÊÏȱäСºó±ä´ó

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºµ¥Ñ¡Ìâ

ÈçͼËùʾ£¬µç³ØµÄÄÚ×è¿ÉÒÔºöÂÔ²»¼Æ,µçѹ±íºÍ¿É±äµç×èÆ÷R´®Áª½Ó³Éͨ·£¬Èç¹û¿É±äµç×èÆ÷RµÄÖµ¼õΪԭÀ´µÄ1/3ʱ£¬µçѹ±íµÄ¶ÁÊýÓÉU0Ôö¼Óµ½2U0£¬ÔòÏÂÁÐ˵·¨Öв»ÕýÈ·µÄÊÇ
A£®Á÷¹ý¿É±äµç×èÆ÷RµÄµçÁ÷Ôö´óΪԭÀ´µÄ2±¶
B£®¿É±äµç×èÆ÷RÏûºÄµÄµç¹¦ÂÊÔö¼ÓΪԭÀ´µÄ4±¶
C£®¿É±äµç×èÆ÷RÁ½¶ËµÄµçѹ¼õСΪԭÀ´µÄ2/3
D£®Èô¿É±äµç×èÆ÷RµÄ×èÖµ¼õСµ½Á㣬ÄÇôµçѹ±íµÄʾÊý±äΪ4U0

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÌî¿ÕÌâ

´«¸ÐÆ÷µ£¸º×ÅÐÅÏ¢²É¼¯µÄÈÎÎñ£¬ÔÚ×Ô¶¯¿ØÖÆÖз¢»Ó×ÅÖØÒª×÷ÓÃ.ÀýÈçÈÈ´«¸ÐÆ÷£¬Ö÷ÒªÊÇÓ¦ÓÃÁË°ëµ¼Ìå²ÄÁÏÖƳɵÄÈÈÃôµç×裬ÈÈÃôµç×èËæζȱ仯µÄͼÏßÈçͼ¼×Ëùʾ£¬Í¼ÒÒÊÇÓÃÈÈÃôµç×èR1×÷Ϊ´«¸ÐÆ÷ÖÆ×÷µÄ¼òµ¥×Ô¶¯±¨¾¯Æ÷Ô­Àíͼ£¬ÔòΪÁËʹζȹý¸ßʱ±¨¾¯Æ÷ÁåÏ죬¿ª¹ØÓ¦½ÓÔÚ________£¨Ñ¡Ìî¡°a¡±»ò¡°b¡±£©.ÈôʹÆô¶¯±¨¾¯µÄζÈÌá¸ßЩ£¬Ó¦½«»¬¶¯±ä×èÆ÷µÄ»¬Æ¬PÏò________Òƶ¯£¨Ñ¡Ìî¡°×ó¡±»ò¡°ÓÒ¡±£©£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£º¼ÆËãÌâ

Èçͼ£¬½«µç¶¯ÊÆΪ3.0 VµÄµçÔ´½ÓÈëµç·ÖУ¬²âµÃµçÔ´Á½¼«¼äµÄµçѹΪ2.4 VµçÔ´ÄÚ×èºÍµç¶¯»úÄÚ×è¾ùΪ1¦¸£¬Çó£º

СÌâ1:µç·ͨµç10s£¬ÓжàÉÙÆäËûÐÎʽµÄÄÜת»¯ÎªµçÄÜ£»
СÌâ2:µç¶¯»úµÄЧÂÊ

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸