ÌâÄ¿ÄÚÈÝ
ÔÚ¡°²â¶¨¶î¶¨µçѹΪ2.5VСµÆÅݵĶ¹¦ÂÊ¡±µÄʵÑéÖÐ
£¨1£©ÔÚÁ¬½Óµç·ʱ£¬¿ª¹ØÓ¦¸ÃÊÇ
£¨2£©Ä³Í¬Ñ§ÔÚÁ¬½ÓʵÑéµç·ʱ»¹Óе¼Ïßδ½ÓÉÏ£¬ÈçͼaËùʾ£®ÇëÄãÓñʻÏß´úÌæµ¼Ïߣ¬°ÑͼÖеç·Á¬½ÓºÃ£¨ÇëÎð¸ü¸ÄÔÓе¼Ïߣ¬µ¼Ïß²»µÃ½»²æ£©£®
£¨3£©Í¬Ñ§ÔÚÁ¬Ïßʱ£¬²»Ð¡ÐĽ«Ïß½Ó´íÁË£¬¿ª¹Ø±ÕºÏºó£¬Òƶ¯±ä×èÆ÷»¬Æ¬P£¬·¢ÏÖµçÁ÷±íʾÊý±ä´óʱ£¬µçѹ±íʾÊýÈ´±äС£¬Äã·ÖÎöһϲúÉúÕâ¸öÏÖÏóµÄÔÒòÊÇ
£¨4£©ÕýÈ·Á¬½ÓºÃµç·ºó£¬±ÕºÏ¿ª¹Ø£¬µ÷½Ú»¬¶¯±ä×èÆ÷£¬Ê¹µçѹ±íµÄʾÊýΪ
£¨1£©ÔÚÁ¬½Óµç·ʱ£¬¿ª¹ØÓ¦¸ÃÊÇ
¶Ï¿ª
¶Ï¿ª
µÄ£®£¨2£©Ä³Í¬Ñ§ÔÚÁ¬½ÓʵÑéµç·ʱ»¹Óе¼Ïßδ½ÓÉÏ£¬ÈçͼaËùʾ£®ÇëÄãÓñʻÏß´úÌæµ¼Ïߣ¬°ÑͼÖеç·Á¬½ÓºÃ£¨ÇëÎð¸ü¸ÄÔÓе¼Ïߣ¬µ¼Ïß²»µÃ½»²æ£©£®
£¨3£©Í¬Ñ§ÔÚÁ¬Ïßʱ£¬²»Ð¡ÐĽ«Ïß½Ó´íÁË£¬¿ª¹Ø±ÕºÏºó£¬Òƶ¯±ä×èÆ÷»¬Æ¬P£¬·¢ÏÖµçÁ÷±íʾÊý±ä´óʱ£¬µçѹ±íʾÊýÈ´±äС£¬Äã·ÖÎöһϲúÉúÕâ¸öÏÖÏóµÄÔÒòÊÇ
µçѹ±í²¢ÁªÔÚ»¬¶¯±ä×èÆ÷Á½¶Ë
µçѹ±í²¢ÁªÔÚ»¬¶¯±ä×èÆ÷Á½¶Ë
£®£¨4£©ÕýÈ·Á¬½ÓºÃµç·ºó£¬±ÕºÏ¿ª¹Ø£¬µ÷½Ú»¬¶¯±ä×èÆ÷£¬Ê¹µçѹ±íµÄʾÊýΪ
2.5
2.5
Vʱ£¬µÆÅÝÕý³£·¢¹â£¬´Ëʱ£¬ÈôµçÁ÷±íµÄʾÊýÈçͼbËùʾ£¬Ð¡µÆÅݵĶ¹¦ÂÊÊÇ0.8
0.8
W£®·ÖÎö£º£¨1£©Á¬½ÓʵÎïͼʱ£¬¿ª¹ØÒª´¦ÓڶϿª×´Ì¬£¬·ÀÖ¹¶Ì·ÏÖÏó·¢Éúʱ£¬µçÁ÷¹ý´ó£¬Ëð»µÔª¼þ£®
£¨2£©¸ù¾ÝµÆÅݵĶµçѹȷ¶¨µçѹ±íµÄÁ¿³Ì£¬ÇÒÓëµÆÅݲ¢Áª£»µçÁ÷±í´®ÁªÔÚµç·ÖУ¬×¢Òâµç±íÕý¸º½ÓÏßÖùµÄÁ¬½Ó£»»¬¶¯±ä×èÆ÷°´Ò»ÉÏһϵÄÔÔò´®ÁªÔÚµç·ÖУ®
£¨3£©µçÁ÷±íʾÊý±ä´óʱ£¬¸ù¾ÝÅ·Ä·¶¨ÂÉ¿ÉÖª¶¨Öµµç×èÁ½¶ËµÄµçѹ±ä´ó£¬¸ù¾Ý´®Áªµç·µÄµçѹÌصã¿ÉÖª»¬¶¯±ä×èÆ÷Á½¶ËµÄµçѹ½øÐУ¬¾Ý´ËÅжÏʵÑéÏÖÏóµÄÔÒò£®
£¨4£©¶î¶¨µçѹϵÆÅÝÕý³£·¢¹â£¬¸ù¾ÝµçÁ÷±íµÄÁ¿³ÌºÍ·Ö¶ÈÖµ¶Á³öµçÁ÷±íµÄʾÊý£¬ÀûÓÃP=UIÇó³öСµÆÅݵĶ¹¦ÂÊ£®
£¨2£©¸ù¾ÝµÆÅݵĶµçѹȷ¶¨µçѹ±íµÄÁ¿³Ì£¬ÇÒÓëµÆÅݲ¢Áª£»µçÁ÷±í´®ÁªÔÚµç·ÖУ¬×¢Òâµç±íÕý¸º½ÓÏßÖùµÄÁ¬½Ó£»»¬¶¯±ä×èÆ÷°´Ò»ÉÏһϵÄÔÔò´®ÁªÔÚµç·ÖУ®
£¨3£©µçÁ÷±íʾÊý±ä´óʱ£¬¸ù¾ÝÅ·Ä·¶¨ÂÉ¿ÉÖª¶¨Öµµç×èÁ½¶ËµÄµçѹ±ä´ó£¬¸ù¾Ý´®Áªµç·µÄµçѹÌصã¿ÉÖª»¬¶¯±ä×èÆ÷Á½¶ËµÄµçѹ½øÐУ¬¾Ý´ËÅжÏʵÑéÏÖÏóµÄÔÒò£®
£¨4£©¶î¶¨µçѹϵÆÅÝÕý³£·¢¹â£¬¸ù¾ÝµçÁ÷±íµÄÁ¿³ÌºÍ·Ö¶ÈÖµ¶Á³öµçÁ÷±íµÄʾÊý£¬ÀûÓÃP=UIÇó³öСµÆÅݵĶ¹¦ÂÊ£®
½â´ð£º½â£º
£¨1£©ÎªÁ˱£»¤µç·£¬Á¬½Óµç·ʱ¿ª¹ØÒª¶Ï¿ª£®
£¨2£©µÆÅݵĶµçѹΪ2.5V£¬ËùÒÔµçѹ±íµÄÁ¿³ÌΪ0¡«3V£¬ÇÒÓëµÆÅݲ¢Áª£»µçÁ÷±íµÄ¸º½ÓÏßÖùÓëµçÔ´µÄ¸º¼«ÏàÁ¬£»»¬¶¯±ä×èÆ÷ÈÎÒâÉÏ·½½ÓÏßÖùÓëµÆÅÝ´®Áª£¬ÈçÏÂͼËùʾ£º
£¨3£©Á¬Ïßʱ£¬²»Ð¡ÐĽ«Ïß½Ó´íÁË£¬±ÕºÏ¿ª¹Øºó£¬Òƶ¯»¬¶¯±ä×èÆ÷»¬Æ¬P£¬µçÁ÷±íʾÊý±ä´ó£¬µç·ÖеçÁ÷±ä´ó£»
¸ù¾ÝÅ·Ä·¶¨ÂÉ¿ÉÖª£¬¶¨Öµµç×èÁ½¶ËµÄµçѹ±ä´ó£»
¸ù¾Ý´®Áªµç·×ܵçѹµÈÓÚ¸÷·Öµçѹ֮ºÍ¿ÉÖª£¬»¬¶¯±ä×èÆ÷Á½¶ËµÄµçѹ¼õС£¬¹Ê²úÉúÕâÒ»ÏÖÏóµÄÔÒòÊǵçѹ±í²¢ÁªÔÚ»¬¶¯±ä×èÆ÷Á½¶Ë£®
£¨4£©µÆÅÝÕý³£·¢¹âʱµÄµçѹΪ2.5V£¬
µçÁ÷±íµÄÁ¿³ÌΪ0¡«0.6A£¬·Ö¶ÈֵΪ0.02A£¬µçÁ÷±íµÄʾÊýΪ0.32A£¬
µÆÅݵĶ¹¦ÂÊP=UI=2.5V¡Á0.32A=0.8W£®
¹Ê´ð°¸Îª£º
£¨1£©¶Ï¿ª£»
£¨2£©ÈçÉÏͼËùʾ£»
£¨3£©µçѹ±í²¢ÁªÔÚ»¬¶¯±ä×èÆ÷Á½¶Ë£»
£¨4£©2.5£»0.8£®
£¨1£©ÎªÁ˱£»¤µç·£¬Á¬½Óµç·ʱ¿ª¹ØÒª¶Ï¿ª£®
£¨2£©µÆÅݵĶµçѹΪ2.5V£¬ËùÒÔµçѹ±íµÄÁ¿³ÌΪ0¡«3V£¬ÇÒÓëµÆÅݲ¢Áª£»µçÁ÷±íµÄ¸º½ÓÏßÖùÓëµçÔ´µÄ¸º¼«ÏàÁ¬£»»¬¶¯±ä×èÆ÷ÈÎÒâÉÏ·½½ÓÏßÖùÓëµÆÅÝ´®Áª£¬ÈçÏÂͼËùʾ£º
£¨3£©Á¬Ïßʱ£¬²»Ð¡ÐĽ«Ïß½Ó´íÁË£¬±ÕºÏ¿ª¹Øºó£¬Òƶ¯»¬¶¯±ä×èÆ÷»¬Æ¬P£¬µçÁ÷±íʾÊý±ä´ó£¬µç·ÖеçÁ÷±ä´ó£»
¸ù¾ÝÅ·Ä·¶¨ÂÉ¿ÉÖª£¬¶¨Öµµç×èÁ½¶ËµÄµçѹ±ä´ó£»
¸ù¾Ý´®Áªµç·×ܵçѹµÈÓÚ¸÷·Öµçѹ֮ºÍ¿ÉÖª£¬»¬¶¯±ä×èÆ÷Á½¶ËµÄµçѹ¼õС£¬¹Ê²úÉúÕâÒ»ÏÖÏóµÄÔÒòÊǵçѹ±í²¢ÁªÔÚ»¬¶¯±ä×èÆ÷Á½¶Ë£®
£¨4£©µÆÅÝÕý³£·¢¹âʱµÄµçѹΪ2.5V£¬
µçÁ÷±íµÄÁ¿³ÌΪ0¡«0.6A£¬·Ö¶ÈֵΪ0.02A£¬µçÁ÷±íµÄʾÊýΪ0.32A£¬
µÆÅݵĶ¹¦ÂÊP=UI=2.5V¡Á0.32A=0.8W£®
¹Ê´ð°¸Îª£º
£¨1£©¶Ï¿ª£»
£¨2£©ÈçÉÏͼËùʾ£»
£¨3£©µçѹ±í²¢ÁªÔÚ»¬¶¯±ä×èÆ÷Á½¶Ë£»
£¨4£©2.5£»0.8£®
µãÆÀ£º±¾Ì⿼²éÁ˵çÁ÷±íºÍµçѹ±íÒÔ¼°»¬¶¯±ä×èÆ÷µÄÁ¬½ÓºÍʹÓᢵçÁ÷±íµÄ¶ÁÊý¡¢µç¹¦Âʹ«Ê½µÄÓ¦ÓúÍʵÑéÏÖÏóµÄÅжϵȣ¬¹Ø¼üÊÇѧÉú¶Ô·ü°²·¨²âµÆÅݵ繦ÂÊʵÑéµÄÀí½âºÍÕÆÎÕ£»×¢Òâµçѹ±íµÄÁ¿³ÌÒ»°ã¸ù¾ÝµÆÅݵĶµçѹȥѡÔñ£¬µçÁ÷±íµÄÁ¿³ÌÒ»°ã¸ù¾ÝµÆÅݵĶµçÁ÷ȥѡÔñ£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿