![¾«Ó¢¼Ò½ÌÍø](http://thumb.1010pic.com/pic3/upload/images/201110/1/acea570d.png)
СÓî×ö²âÁ¿Ð¡µÆÅݵ繦ÂʵÄʵÑ飨СµÆÅݱêÓС°3.8V¡±×ÖÑù£©£®
ʵÑé´ÎÊý |
µçѹ±íʾÊý/V |
µçÁ÷±íʾÊý/A |
µÆÅÝÁÁ¶È |
1 |
0.5 |
0.1 |
²»·¢¹â |
2 |
2.0 |
0.25 |
·¢¹â½Ï°µ |
3 |
3.8 |
|
Õý³£·¢¹â |
4 |
6.0 |
0 |
²»·¢¹â |
£¨1£©ÈçͼËùʾ£¬ËûËùÁ¬½ÓµÄʵÑéµç·´æÔÚ´íÎ󣬵«Ö»Ðè¸Ä¶¯Ò»¸ùµ¼Ïߣ¬¼´¿Éʹµç·Á¬½ÓÕýÈ·£®ÇëÄãÔÚÓ¦¸Ä¶¯µÄµ¼ÏßÉÏ´ò¡°¡Á¡±£¬²¢ÓñʻÏß´úÌæµ¼Ïߣ¬»³öÕýÈ·µÄ½Ó·¨£®
£¨2£©µç·Á¬½ÓÕýÈ·ºó£¬±ÕºÏ¿ª¹Ø£¬¼Ç¼µÄ²¿·ÖʵÑéÊý¾ÝºÍÏÖÏóÈçÉϱíËùʾ£®
·ÖÎö±íÖÐʵÑéÊý¾Ý¿ÉÖª£ºµÚ1´ÎʵÑéÖУ¬Ð¡µÆÅݲ»·¢¹âµÄÔÒòÊÇ
£¬½ÓÏÂÀ´Ó¦½øÐеIJÙ×÷ÊÇ
£»ËùÓõçÔ´µçѹԼΪ
V£®
£¨3£©ÓÉÓÚСÓî´ÖÐÄ´óÒ⣬ûÓмǼµÆÅÝÕý³£·¢¹âʱµçÁ÷±íµÄʾÊý£¬ÓÚÊÇËû¸ù¾ÝµÚÒ»´ÎʵÑéÊý¾Ý¼ÆËã³öµÆÅݵç×裺R=
=
=5¦¸£¬ÔÙ¼ÆËã³öµÆÅݵĶ¹¦ÂÊ£ºP=
=
=2.888W£®ÇëÄã¶ÔСÓî¼ÆËã¶î¶¨¹¦Âʵķ½·¨×÷³öÆÀ¼Û£ºÐ¡µÆÅݵĶ¹¦ÂÊ
£¨Ñ¡Ìî¡°´óÓÚ¡±¡°µÈÓÚ¡±»ò¡°Ð¡ÓÚ¡±£©2.888W£¬ÀíÓÉÊÇ
£®