ÌâÄ¿ÄÚÈÝ

7£®ÈçͼËùʾÊÇÄ³Ð¡ÇøÃÅ¿ÚÀûÓùâÃôµç×èÉè¼ÆµÄÐÐÈË¼à¿Ø×°Öã¬R1Ϊ¹âÃôµç×裬ÆäÌØµãÊǹâÕÕǿʱ×èֵС£¬¹âÕÕÈõʱ×èÖµ´ó£¬R2Ϊ»¬¶¯±ä×èÆ÷£¨µç·Õý³£¹¤×÷ʱR2×èÖµ²»±ä£©A¡¢B¼ä½Ó¼à¿Ø×°ÖÃÔò£¨¡¡¡¡£©
A£®µ±ÓÐÈËͨ¹ýͨµÀ¶øÕڱιâÏßʱ£¬A¡¢B¼äµçѹ½µµÍ
B£®ÓÐÈËͨ¹ýͨµÀ¶øÕڱιâÏßʱ£¬A¡¢B¼äµçѹÉý¸ß
C£®ÓÐÈËͨ¹ýͨµÀ¶øÕڱιâÏßʱ£¬Í¨¹ýR1µÄµçÁ÷±ä´ó
D£®ÓÐÈËͨ¹ýͨµÀ¶øÕڱιâÏßʱ£¬Í¨¹ýR2µÄµçÁ÷±ä´ó

·ÖÎö Óɵç·ͼ¿ÉÖª£¬R1ÓëR2´®Áª£¬¼à¿Ø×°ÖÃÓëR2²¢Áª£»¸ù¾ÝÌâÒâµÃ³öÓÐÈËͨ¹ýʱR1×èÖµµÄ±ä»¯£¬¸ù¾ÝÅ·Ä·¶¨ÂÉ¿ÉÖªµç·ÖеçÁ÷µÄ±ä»¯ºÍA¡¢B¼äµçѹµÄ±ä»¯£®

½â´ð ½â£ºÓɵç·ͼ¿ÉÖª£¬R1ÓëR2´®Áª£¬¼à¿Ø×°ÖÃÓëR2²¢Áª£®
µ±ÓÐÈËͨ¹ýͨµÀ¶øÕڱιâÏßʱ£¬R1×èÖµ±ä´ó£¬µç·ÖеÄ×ܵç×è±ä´ó£¬
Òò´®Áªµç·Öи÷´¦µÄµçÁ÷ÏàµÈ£¬
ËùÒÔ£¬ÓÉI=$\frac{U}{R}$¿ÉÖª£¬µç·ÖеĵçÁ÷±äС£¬Í¨¹ýR1µÄµçÁ÷±äС£»
ÓÉU=IR¿ÉÖª£¬R2Á½¶ËµÄµçѹ±äС£¬¼´A¡¢B¼äµçѹ±äС£®
¹ÊÑ¡A£®

µãÆÀ ±¾Ì⿼²éÁ˵緵Ķ¯Ì¬·ÖÎö£¬Òª×¢Òâµ±ÓÐÈËͨ¹ýͨµÀ¶øÕڱιâÏßʱ»¬¶¯±ä×èÆ÷½ÓÈëµç·Öеĵç×è²»±ä£®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

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

¾«Ó¢¼Ò½ÌÍø