ÌâÄ¿ÄÚÈÝ

¸ÅÄ¹¹Ì½¾¿£º
Ë®¹ÜÖеÄË®Á÷ÓдóÓÐС£¬ÔÚÏàͬµÄʱ¼äÄÚ£¬´ÓË®¹ÜÖÐÁ÷³öµÄˮԽ¶à£¬Ë®Á÷¾ÍÔ½´ó£®µ¼ÌåÖеĵçÁ÷Ò²ÓдóС£¬µçÁ÷ÊÇÓɵçºÉµÄ¶¨ÏòÒƶ¯Ðγɵģ¬ÔÚÒ»¶¨Ê±¼äÄÚ£¬Í¨¹ýµ¼Ìåijһºá½ØÃæµÄµçºÉÔ½¶à£¬¼´µçºÉÁ¿Ô½¶à£¬µçÁ÷¾ÍÔ½´ó£®
ÎïÀíÉϵçÁ÷µÄ´óСÓõçÁ÷Ç¿¶È£¨¼ò³ÆµçÁ÷£©±íʾ£¬ÄãÄÜ·ñÀà±ÈÄãËùѧµÄÀàËÆ֪ʶ£¬¸øµçÁ÷Ç¿¶Èϸö¶¨Ò壬µçÁ÷Ç¿¶ÈµÈÓÚ______£®¹ú¼ÊÉÏͨ³£ÓÃ×ÖĸI±íʾµçÁ÷£¬Èç¹ûÓÃQ±íʾͨ¹ýµ¼Ìåºá½ØÃæµÄµçºÉÁ¿£¬t±íʾͨµçʱ¼ä£¬ÄÇôµçÁ÷IÓëµçºÉÁ¿QÒÔ¼°Ê±¼ätÈýÕߵĹØϵ¿ÉÒÔÓÃÊýѧ±í´ïʽ______±íʾ£¬Èç¹ûÉÏʽÖÐQµÄµ¥Î»Óÿ⣬ʱ¼ätµÄµ¥Î»ÓÃÃ룬µçÁ÷IµÄµ¥Î»¾ÍÊÇ°²Å࣮
¢ÙÓÃÄãд³öµÄ¹«Ê½¼ÆË㣺Èç¹û10ÃëÄÚͨ¹ýµ¼Ìåºá½ØÃæµÄµçÁ¿ÊÇ20¿â£¬ÄÇôµ¼ÌåÖеĵçÁ÷Ϊ______°²£®
¢ÚÈô¼ÓÔÚµ¼ÌåÁ½¶ËµÄµçѹΪ15·üʱ£¬Í¨¹ýµ¼Ìåºá½ØÃæµÄµçÁ¿ÊÇ20¿â£¬ÄÇôµ¼ÌåÏûºÄµÄµçÄÜΪ______½¹£¬Ê¹ÓõĹ«Ê½ÊÇ______£®
£¨2£©µç¹¤Ñ§Öг£Óᰵ絼¡±Õâ¸öÎïÀíÁ¿±íʾµ¼ÌåµÄµ¼µçÄÜÁ¦£®¡°µçµ¼¡±µÄ±íʾ·ûºÅΪ¡°G¡±£¬ËüʵÖÊÉÏÊǵç×èRµÄµ¹Êý£¬¼´G=1/R£®ÏÖÓмס¢ÒÒÁ½¸öµçµ¼G1ºÍG2£¬µ±ËüÃDz¢ÁªÊ±×ܵ絼G²¢=______£»µ±ËüÃÇ´®ÁªÊ±×ܵ絼G´®=______£®
¡¾´ð°¸¡¿·ÖÎö£º¸ù¾ÝÌâÄ¿ÌṩµÄÐÅÏ¢£¬¿É¹¹½¨³öµç·ǿ¶ÈµÄ¸ÅÄ¶¨Òå¡¢¹«Ê½¡¢µ¥Î»µÈ£©£»ÔËÓù¹½¨µÄ֪ʶ¿É´¦Àí¾ßÌåµÄÎÊÌ⣬Óù«Ê½Çó³öµçÁ÷Ç¿¶ÈºÍµçÄÜ£»¹ØÓڵ絼֪ʶ£¬Òª½áºÏµç×èµÄ´®²¢Áª¹æÂɽøÐÐÍƵ¼ºÍÔËË㣮
½â´ð£º½â£º£¨1£©ÔÚÒ»¶¨Ê±¼äÄÚ£¬Í¨¹ýµ¼Ìåijһºá½ØÃæµÄµçºÉÔ½¶à£¬¼´µçºÉÁ¿Ô½¶à£¬µçÁ÷¾ÍÔ½´ó£®Óɴ˿ɼû£¬µçÁ÷´óСÓëÒ»¶¨Ê±¼äÄÚͨ¹ýµ¼Ìåºá½ØÃæµÄµçºÉÁ¿Óйأ»²ÉÓñÈÖµ¶¨Òå·¨£¬¸øµçÁ÷Ç¿¶È϶¨ÒåΪ£º1ÃëÄÚͨ¹ýµ¼Ìåºá½ØÃæµÄµçºÉÁ¿£»Óɶ¨ÒåµÃ¶¨ÒåʽI=Q/t£»
¢Ù¸ù¾ÝµçÁ÷Ç¿¶ÈµÄ¶¨Òåʽ¿ÉÇóµçÁ÷£¬I===2A£»
¢ÚÓɵçÄܵļÆËã·½·¨½øÐÐÍƵ¼£ºW=Pt=UIt=UQ£»¹ÊµÃW=UQ=15V×20C=300J£»
£¨2£©¸ù¾Ýµç×èµÄ´®²¢Áª¹æÂÉ£ºR´®=R1+R2£¬=+£»ÒÑÖªG=£»
¹ÊµÃ²¢ÁªÊ±µÄµçµ¼G²¢=G1+G2£»´®ÁªÊ±µÄµçµ¼G´®=£®
¹Ê´ð°¸Îª£º
£¨1£©1ÃëÄÚͨ¹ýµ¼Ìåºá½ØÃæµÄµçºÉÁ¿¡¢I=£®
¢Ù2£»¢Ú300¡¢W=UQ£®
£¨2£©G1+G2¡¢£®
µãÆÀ£º´ËÌ⿼²éÁ˶ÔÎïÀíÁ¿¸ÅÄîµÄ¹¹½¨£»¸ù¾ÝÌâÄ¿ÖÐÌṩµÄÐÅÏ¢£¬ÔÙ½áºÏËùѧµÄ֪ʶ£¬½øÐбØÒªµÄÔËËãºÍÍÆÀí£¬¿É½â¾ö´ËÌ⣮
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
¸ÅÄ¹¹Ì½¾¿£º
Ë®¹ÜÖеÄË®Á÷ÓдóÓÐС£¬ÔÚÏàͬµÄʱ¼äÄÚ£¬´ÓË®¹ÜÖÐÁ÷³öµÄˮԽ¶à£¬Ë®Á÷¾ÍÔ½´ó£®µ¼ÌåÖеĵçÁ÷Ò²ÓдóС£¬µçÁ÷ÊÇÓɵçºÉµÄ¶¨ÏòÒƶ¯Ðγɵģ¬ÔÚÒ»¶¨Ê±¼äÄÚ£¬Í¨¹ýµ¼Ìåijһºá½ØÃæµÄµçºÉÔ½¶à£¬¼´µçºÉÁ¿Ô½¶à£¬µçÁ÷¾ÍÔ½´ó£®
ÎïÀíÉϵçÁ÷µÄ´óСÓõçÁ÷Ç¿¶È£¨¼ò³ÆµçÁ÷£©±íʾ£¬ÄãÄÜ·ñÀà±ÈÄãËùѧµÄÀàËÆ֪ʶ£¬¸øµçÁ÷Ç¿¶Èϸö¶¨Ò壬µçÁ÷Ç¿¶ÈµÈÓÚ
1ÃëÄÚͨ¹ýµ¼Ìåºá½ØÃæµÄµçºÉÁ¿
1ÃëÄÚͨ¹ýµ¼Ìåºá½ØÃæµÄµçºÉÁ¿
£®¹ú¼ÊÉÏͨ³£ÓÃ×ÖĸI±íʾµçÁ÷£¬Èç¹ûÓÃQ±íʾͨ¹ýµ¼Ìåºá½ØÃæµÄµçºÉÁ¿£¬t±íʾͨµçʱ¼ä£¬ÄÇôµçÁ÷IÓëµçºÉÁ¿QÒÔ¼°Ê±¼ätÈýÕߵĹØϵ¿ÉÒÔÓÃÊýѧ±í´ïʽ
I=
Q
t
I=
Q
t
±íʾ£¬Èç¹ûÉÏʽÖÐQµÄµ¥Î»Óÿ⣬ʱ¼ätµÄµ¥Î»ÓÃÃ룬µçÁ÷IµÄµ¥Î»¾ÍÊÇ°²Å࣮
¢ÙÓÃÄãд³öµÄ¹«Ê½¼ÆË㣺Èç¹û10ÃëÄÚͨ¹ýµ¼Ìåºá½ØÃæµÄµçÁ¿ÊÇ20¿â£¬ÄÇôµ¼ÌåÖеĵçÁ÷Ϊ
2
2
°²£®
¢ÚÈô¼ÓÔÚµ¼ÌåÁ½¶ËµÄµçѹΪ15·üʱ£¬Í¨¹ýµ¼Ìåºá½ØÃæµÄµçÁ¿ÊÇ20¿â£¬ÄÇôµ¼ÌåÏûºÄµÄµçÄÜΪ
300
300
½¹£¬Ê¹ÓõĹ«Ê½ÊÇ
W=UQ
W=UQ
£®
£¨2£©µç¹¤Ñ§Öг£Óᰵ絼¡±Õâ¸öÎïÀíÁ¿±íʾµ¼ÌåµÄµ¼µçÄÜÁ¦£®¡°µçµ¼¡±µÄ±íʾ·ûºÅΪ¡°G¡±£¬ËüʵÖÊÉÏÊǵç×èRµÄµ¹Êý£¬¼´G=1/R£®ÏÖÓмס¢ÒÒÁ½¸öµçµ¼G1ºÍG2£¬µ±ËüÃDz¢ÁªÊ±×ܵ絼G²¢=
G1+G2
G1+G2
£»µ±ËüÃÇ´®ÁªÊ±×ܵ絼G´®=
G1G2
G1+G2
G1G2
G1+G2
£®

¸ÅÄ¹¹Ì½¾¿£º
Ë®¹ÜÖеÄË®Á÷ÓдóÓÐС£¬ÔÚÏàͬµÄʱ¼äÄÚ£¬´ÓË®¹ÜÖÐÁ÷³öµÄˮԽ¶à£¬Ë®Á÷¾ÍÔ½´ó£®µ¼ÌåÖеĵçÁ÷Ò²ÓдóС£¬µçÁ÷ÊÇÓɵçºÉµÄ¶¨ÏòÒƶ¯Ðγɵģ¬ÔÚÒ»¶¨Ê±¼äÄÚ£¬Í¨¹ýµ¼Ìåijһºá½ØÃæµÄµçºÉÔ½¶à£¬¼´µçºÉÁ¿Ô½¶à£¬µçÁ÷¾ÍÔ½´ó£®
ÎïÀíÉϵçÁ÷µÄ´óСÓõçÁ÷Ç¿¶È£¨¼ò³ÆµçÁ÷£©±íʾ£¬ÄãÄÜ·ñÀà±ÈÄãËùѧµÄÀàËÆ֪ʶ£¬¸øµçÁ÷Ç¿¶Èϸö¶¨Ò壬µçÁ÷Ç¿¶ÈµÈÓÚ________£®¹ú¼ÊÉÏͨ³£ÓÃ×ÖĸI±íʾµçÁ÷£¬Èç¹ûÓÃQ±íʾͨ¹ýµ¼Ìåºá½ØÃæµÄµçºÉÁ¿£¬t±íʾͨµçʱ¼ä£¬ÄÇôµçÁ÷IÓëµçºÉÁ¿QÒÔ¼°Ê±¼ätÈýÕߵĹØϵ¿ÉÒÔÓÃÊýѧ±í´ïʽ________±íʾ£¬Èç¹ûÉÏʽÖÐQµÄµ¥Î»Óÿ⣬ʱ¼ätµÄµ¥Î»ÓÃÃ룬µçÁ÷IµÄµ¥Î»¾ÍÊÇ°²Å࣮
¢ÙÓÃÄãд³öµÄ¹«Ê½¼ÆË㣺Èç¹û10ÃëÄÚͨ¹ýµ¼Ìåºá½ØÃæµÄµçÁ¿ÊÇ20¿â£¬ÄÇôµ¼ÌåÖеĵçÁ÷Ϊ________°²£®
¢ÚÈô¼ÓÔÚµ¼ÌåÁ½¶ËµÄµçѹΪ15·üʱ£¬Í¨¹ýµ¼Ìåºá½ØÃæµÄµçÁ¿ÊÇ20¿â£¬ÄÇôµ¼ÌåÏûºÄµÄµçÄÜΪ________½¹£¬Ê¹ÓõĹ«Ê½ÊÇ________£®
£¨2£©µç¹¤Ñ§Öг£Óᰵ絼¡±Õâ¸öÎïÀíÁ¿±íʾµ¼ÌåµÄµ¼µçÄÜÁ¦£®¡°µçµ¼¡±µÄ±íʾ·ûºÅΪ¡°G¡±£¬ËüʵÖÊÉÏÊǵç×èRµÄµ¹Êý£¬¼´G=1/R£®ÏÖÓмס¢ÒÒÁ½¸öµçµ¼G1ºÍG2£¬µ±ËüÃDz¢ÁªÊ±×ܵ絼G²¢=________£»µ±ËüÃÇ´®ÁªÊ±×ܵ絼G´®=________£®

¸ÅÄ¹¹Ì½¾¿£º
Ë®¹ÜÖеÄË®Á÷ÓдóÓÐС£¬ÔÚÏàͬµÄʱ¼äÄÚ£¬´ÓË®¹ÜÖÐÁ÷³öµÄˮԽ¶à£¬Ë®Á÷¾ÍÔ½´ó£®µ¼ÌåÖеĵçÁ÷Ò²ÓдóС£¬µçÁ÷ÊÇÓɵçºÉµÄ¶¨ÏòÒƶ¯Ðγɵģ¬ÔÚÒ»¶¨Ê±¼äÄÚ£¬Í¨¹ýµ¼Ìåijһºá½ØÃæµÄµçºÉÔ½¶à£¬¼´µçºÉÁ¿Ô½¶à£¬µçÁ÷¾ÍÔ½´ó£®
ÎïÀíÉϵçÁ÷µÄ´óСÓõçÁ÷Ç¿¶È£¨¼ò³ÆµçÁ÷£©±íʾ£¬ÄãÄÜ·ñÀà±ÈÄãËùѧµÄÀàËÆ֪ʶ£¬¸øµçÁ÷Ç¿¶Èϸö¶¨Ò壬µçÁ÷Ç¿¶ÈµÈÓÚ______£®¹ú¼ÊÉÏͨ³£ÓÃ×ÖĸI±íʾµçÁ÷£¬Èç¹ûÓÃQ±íʾͨ¹ýµ¼Ìåºá½ØÃæµÄµçºÉÁ¿£¬t±íʾͨµçʱ¼ä£¬ÄÇôµçÁ÷IÓëµçºÉÁ¿QÒÔ¼°Ê±¼ätÈýÕߵĹØϵ¿ÉÒÔÓÃÊýѧ±í´ïʽ______±íʾ£¬Èç¹ûÉÏʽÖÐQµÄµ¥Î»Óÿ⣬ʱ¼ätµÄµ¥Î»ÓÃÃ룬µçÁ÷IµÄµ¥Î»¾ÍÊÇ°²Å࣮
¢ÙÓÃÄãд³öµÄ¹«Ê½¼ÆË㣺Èç¹û10ÃëÄÚͨ¹ýµ¼Ìåºá½ØÃæµÄµçÁ¿ÊÇ20¿â£¬ÄÇôµ¼ÌåÖеĵçÁ÷Ϊ______°²£®
¢ÚÈô¼ÓÔÚµ¼ÌåÁ½¶ËµÄµçѹΪ15·üʱ£¬Í¨¹ýµ¼Ìåºá½ØÃæµÄµçÁ¿ÊÇ20¿â£¬ÄÇôµ¼ÌåÏûºÄµÄµçÄÜΪ______½¹£¬Ê¹ÓõĹ«Ê½ÊÇ______£®
£¨2£©µç¹¤Ñ§Öг£Óᰵ絼¡±Õâ¸öÎïÀíÁ¿±íʾµ¼ÌåµÄµ¼µçÄÜÁ¦£®¡°µçµ¼¡±µÄ±íʾ·ûºÅΪ¡°G¡±£¬ËüʵÖÊÉÏÊǵç×èRµÄµ¹Êý£¬¼´G=1/R£®ÏÖÓмס¢ÒÒÁ½¸öµçµ¼G1ºÍG2£¬µ±ËüÃDz¢ÁªÊ±×ܵ絼G²¢=______£»µ±ËüÃÇ´®ÁªÊ±×ܵ絼G´®=______£®
¸ÅÄ¹¹Ì½¾¿£ºË®¹ÜÖеÄË®Á÷ÓдóÓÐС£¬ÔÚÏàͬµÄʱ¼äÄÚ£¬´ÓË®¹ÜÖÐÁ÷³öµÄˮԽ¶à£¬Ë®Á÷¾ÍÔ½´ó£®µ¼ÌåÖеĵçÁ÷Ò²ÓдóС£¬µçÁ÷ÊÇÓɵçºÉµÄ¶¨ÏòÒƶ¯Ðγɵģ¬ÔÚÒ»¶¨Ê±¼äÄÚ£¬Í¨¹ýµ¼Ìåijһºá½ØÃæµÄµçºÉÔ½¶à£¬¼´µçºÉÁ¿Ô½¶à£¬µçÁ÷¾ÍÔ½´ó£®
£¨1£©ÎïÀíÉϵçÁ÷µÄ´óСÓõçÁ÷Ç¿¶È£¨¼ò³ÆµçÁ÷£©±íʾ£¬ÄãÄÜ·ñÀà±ÈÄãËùѧµÄÀàËÆ֪ʶ£¬¸øµçÁ÷Ç¿¶Èϸö¶¨Ò壬µçÁ÷Ç¿¶ÈµÈÓÚ _________ £®¹ú¼ÊÉÏͨ³£ÓÃ×ÖĸI±íʾµçÁ÷£¬Èç¹ûÓÃQ±íʾͨ¹ýµ¼Ìåºá½ØÃæµÄµçºÉÁ¿£¬t±íʾͨµçʱ¼ä£¬ÄÇôµçÁ÷IÓëµçºÉÁ¿QÒÔ¼°Ê±¼ätÈýÕߵĹØϵ¿ÉÒÔÓÃÊýѧ±í´ïʽ _________ ±íʾ£¬Èç¹ûÉÏʽÖÐQµÄµ¥Î»Óÿ⣬ʱ¼ätµÄµ¥Î»ÓÃÃ룬µçÁ÷IµÄµ¥Î»¾ÍÊÇ°²Å࣮
¢ÙÓÃÄãд³öµÄ¹«Ê½¼ÆË㣺Èç¹û10ÃëÄÚͨ¹ýµ¼Ìåºá½ØÃæµÄµçÁ¿ÊÇ20¿â£¬ÄÇôµ¼ÌåÖеĵçÁ÷Ϊ _________ °²£®
¢ÚÈô¼ÓÔÚµ¼ÌåÁ½¶ËµÄµçѹΪ15·üʱ£¬Í¨¹ýµ¼Ìåºá½ØÃæµÄµçÁ¿ÊÇ20¿â£¬ÄÇôµ¼ÌåÏûºÄµÄµçÄÜΪ _________ ½¹£¬Ê¹ÓõĹ«Ê½ÊÇ _________ £®
£¨2£©µç¹¤Ñ§Öг£Óᰵ絼¡±Õâ¸öÎïÀíÁ¿±íʾµ¼ÌåµÄµ¼µçÄÜÁ¦£®¡°µçµ¼¡±µÄ±íʾ·ûºÅΪ¡°G¡±£¬ËüʵÖÊÉÏÊǵç×èRµÄµ¹Êý£¬¼´G=1/R£®ÏÖÓмס¢ÒÒÁ½¸öµçµ¼G1ºÍG2£¬µ±ËüÃDz¢ÁªÊ±×ܵ絼G²¢=_________£»µ±ËüÃÇ´®ÁªÊ±×ܵ絼G´®=_________£®

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

¾«Ó¢¼Ò½ÌÍø