ÌâÄ¿ÄÚÈÝ
ijʵÑéС×é½øÐÐÁË¡°²â¶¨¶î¶¨µçѹÊÇ2.5VµÄСµÆÅݵĵç×衱µÄʵÑ飬ʵÑé¼Ç¼ÈçÏÂ±í£º
£¨1£©ÔÚʵÎïͼÖÐÓñʻÏß´úÌæµ¼ÏßÍê³É¸ÃʵÑéµÄµç·Á¬½Ó£»
£¨2£©Á¬½Óµç·ʱ£¬¿ª¹ØÓ¦________£¬±ÕºÏ¿ª¹ØÇ°£¬»¬Æ¬PÓ¦ÒÆÖÁ________£¨Ñ¡Ìî¡°A¡±»ò¡°B¡±£©¶Ë£®
£¨3£©µÆÅÝÕý³£·¢¹âʱ£¬µçÁ÷±íʾÊýÈçͼÒÒ£¬ÇëÔÚϱí¸ñÖеĿոñÌîÉϺÏÊʵÄÊý×Ö£®
µçѹU/V | 1.5 | 2.0 | 2.5 |
µçÁ÷I/A | 0.22 | 0.26 | ________ |
µÆÅÝ·¢¹âÇé¿ö | µÆË¿°µºì | ΢Èõ·¢¹â | Õý³£·¢¹â |
£¨5£©¸ù¾ÝÉÏÊöÊý¾Ýд³öµÆË¿µç×è±ä»¯µÄÔÒò£º________£®
½â£º
£¨1£©Òª²âÁ¿µç×èRµÄ×èÖµ£¬Îª¶à´Î²âÁ¿È¡Æ½¾ùÖµ¼õСÎó²î£¬ÐèÒª¸Ä±ä´ý²âµç×èÁ½¶Ëµçѹ£¬ËùÒÔ»¬¶¯±ä×èÆ÷Óë´ý²âµç×è´®Áª£»²âÁ¿ÔÀíÊÇR=£¬ËùÒÔµçÁ÷±íÓëµç×è´®Áª£¬µçѹ±íÓëµç×è²¢Áª£®
£¨2£©ÔÚÁ¬½Óµç·µÄ¹ý³ÌÖУ¬Îª±£»¤ÓõçÆ÷ºÍÒÇÆ÷ÒÇ±í£¬¿ª¹ØÓ¦¸Ã¶Ï¿ª£»ÒªÊ¹»¬¶¯±ä×èÆ÷½ÓÈëµç·µÄµç×è×î´ó£¬Ò²¾ÍÊÇÁ¬Èëµç·µÄµç×èÏß×£¬ÓÉͼ֪£¬Òª½«»¬Æ¬ÒƵ½B¶Ë£»
£¨3£©Óɵç·ͼ֪£¬µçÁ÷±íÑ¡ÔñµÄÊÇ0¡«0.6A£¬´Ëʱµç·µçÁ÷Ϊ0.3A£»
£¨4£©µÆË¿Õý³£·¢¹âʱ£¬Á½¶ËµçѹΪ2.5V£¬Í¨¹ýµÄµçÁ÷Ϊ0.3A£®Õý³£·¢¹âʱµÆË¿µç×èΪR==¡Ö8.3¦¸£»
£¨5£©¼ÆËãÖª£¬µÆË¿µç×èÊÇÔö´óµÄ£¬ÔÒòÊǵÆË¿µçѹÔö´ó£¬·¢¹âÁÁ¶ÈÔö´ó£¬µç×èÖµÔö´ó£®
¹Ê´ð°¸Îª
£¨1£©ÊµÎïÁ¬½ÓÈçÏÂͼ£®
£¨2£©¶Ï¿ª¡¢B
£¨3£©0.3
£¨4£©8.3
£¨5£©µÆË¿µç×èËæζȵÄÉý¸ß¶øÔö´ó
·ÖÎö£º£¨1£©Á¬½Óµç·ʱ£¬Òª×¢Òâ´ý²âµç×èÓ뻬¶¯±ä×èÆ÷µÄ½Ó·¨£¬µçѹ±í¡¢µçÁ÷±íµÄ½Ó·¨ÒÔ¼°Á¿³ÌµÄÑ¡ÔñºÍµçÁ÷·½Ïò£»
£¨2£©ÔÚµç·Á¬½Ó¹ý³ÌÖУ¬ÎªÁ˱£Ö¤ÓõçÆ÷ºÍ²Ù×÷ÈËÔ±µÄ°²È«£¬Ò»°ã²»ÔÊÐí´øµç°²×°»òÁ¬½Ó£»»¬¶¯±ä×èÆ÷ÔÚµç·ÖеÄ×÷ÓÃÖ®Ò»ÊDZ£»¤µç·£¬ËùÒԱպϿª¹ØÇ°£¬»¬Æ¬Ó¦Î»ÓÚ×î´ó×èÖµ´¦£»
£¨3£©¶ÁÈ¡µçÁ÷±íÊýֵʱ£¬ÐèÒªÏÈÃ÷È·µçÁ÷±íÁ¬½ÓÔÚµç·ÖеÄÁ¿³ÌºÍÏàÓ¦µÄ·Ö¶ÈÖµ£»
£¨4£©ÒÑÖªµÆÅÝÕý³£·¢¹âʱµÄµçѹºÍµçÁ÷£¬ÀûÓù«Ê½R=¾Í¿ÉÒÔ¼ÆËã³öµÆË¿µç×裻
£¨5£©³ý²ÄÁÏ¡¢³¤¶È¡¢ºá½ØÃæ»ýÍ⣬µ¼Ìåµç×èÓëζÈÓйأ®
µãÆÀ£ºµÆË¿µç×èÊÜζÈÓ°ÏìºÜÃ÷ÏÔ£¬²âÁ¿µç×èʵÑéÒ»°ã²»ÓÃСµÆÅÝ£¬¶øʹÓö¨Öµµç×裮
£¨1£©Òª²âÁ¿µç×èRµÄ×èÖµ£¬Îª¶à´Î²âÁ¿È¡Æ½¾ùÖµ¼õСÎó²î£¬ÐèÒª¸Ä±ä´ý²âµç×èÁ½¶Ëµçѹ£¬ËùÒÔ»¬¶¯±ä×èÆ÷Óë´ý²âµç×è´®Áª£»²âÁ¿ÔÀíÊÇR=£¬ËùÒÔµçÁ÷±íÓëµç×è´®Áª£¬µçѹ±íÓëµç×è²¢Áª£®
£¨2£©ÔÚÁ¬½Óµç·µÄ¹ý³ÌÖУ¬Îª±£»¤ÓõçÆ÷ºÍÒÇÆ÷ÒÇ±í£¬¿ª¹ØÓ¦¸Ã¶Ï¿ª£»ÒªÊ¹»¬¶¯±ä×èÆ÷½ÓÈëµç·µÄµç×è×î´ó£¬Ò²¾ÍÊÇÁ¬Èëµç·µÄµç×èÏß×£¬ÓÉͼ֪£¬Òª½«»¬Æ¬ÒƵ½B¶Ë£»
£¨3£©Óɵç·ͼ֪£¬µçÁ÷±íÑ¡ÔñµÄÊÇ0¡«0.6A£¬´Ëʱµç·µçÁ÷Ϊ0.3A£»
£¨4£©µÆË¿Õý³£·¢¹âʱ£¬Á½¶ËµçѹΪ2.5V£¬Í¨¹ýµÄµçÁ÷Ϊ0.3A£®Õý³£·¢¹âʱµÆË¿µç×èΪR==¡Ö8.3¦¸£»
£¨5£©¼ÆËãÖª£¬µÆË¿µç×èÊÇÔö´óµÄ£¬ÔÒòÊǵÆË¿µçѹÔö´ó£¬·¢¹âÁÁ¶ÈÔö´ó£¬µç×èÖµÔö´ó£®
¹Ê´ð°¸Îª
£¨1£©ÊµÎïÁ¬½ÓÈçÏÂͼ£®
£¨2£©¶Ï¿ª¡¢B
£¨3£©0.3
£¨4£©8.3
£¨5£©µÆË¿µç×èËæζȵÄÉý¸ß¶øÔö´ó
·ÖÎö£º£¨1£©Á¬½Óµç·ʱ£¬Òª×¢Òâ´ý²âµç×èÓ뻬¶¯±ä×èÆ÷µÄ½Ó·¨£¬µçѹ±í¡¢µçÁ÷±íµÄ½Ó·¨ÒÔ¼°Á¿³ÌµÄÑ¡ÔñºÍµçÁ÷·½Ïò£»
£¨2£©ÔÚµç·Á¬½Ó¹ý³ÌÖУ¬ÎªÁ˱£Ö¤ÓõçÆ÷ºÍ²Ù×÷ÈËÔ±µÄ°²È«£¬Ò»°ã²»ÔÊÐí´øµç°²×°»òÁ¬½Ó£»»¬¶¯±ä×èÆ÷ÔÚµç·ÖеÄ×÷ÓÃÖ®Ò»ÊDZ£»¤µç·£¬ËùÒԱպϿª¹ØÇ°£¬»¬Æ¬Ó¦Î»ÓÚ×î´ó×èÖµ´¦£»
£¨3£©¶ÁÈ¡µçÁ÷±íÊýֵʱ£¬ÐèÒªÏÈÃ÷È·µçÁ÷±íÁ¬½ÓÔÚµç·ÖеÄÁ¿³ÌºÍÏàÓ¦µÄ·Ö¶ÈÖµ£»
£¨4£©ÒÑÖªµÆÅÝÕý³£·¢¹âʱµÄµçѹºÍµçÁ÷£¬ÀûÓù«Ê½R=¾Í¿ÉÒÔ¼ÆËã³öµÆË¿µç×裻
£¨5£©³ý²ÄÁÏ¡¢³¤¶È¡¢ºá½ØÃæ»ýÍ⣬µ¼Ìåµç×èÓëζÈÓйأ®
µãÆÀ£ºµÆË¿µç×èÊÜζÈÓ°ÏìºÜÃ÷ÏÔ£¬²âÁ¿µç×èʵÑéÒ»°ã²»ÓÃСµÆÅÝ£¬¶øʹÓö¨Öµµç×裮
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿