ÌâÄ¿ÄÚÈÝ
ÏÂÁÐÓйظßÖÐÎïÀíʵÑéµÄ˵·¨ÖУ¬ÕýÈ·µÄÊÇ
A£®¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò¡±ÊµÑé²ÉÓõĿÆѧ·½·¨ÊǵÈЧÌæ´ú·¨
B£®µç»ð»¨´òµã¼ÆʱÆ÷µÄ¹¤×÷µçѹÊÇ220VµÄÖ±Á÷µç
C£®ÔÚÓôòµã¼ÆʱÆ÷¡°Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯¡±µÄʵÑéÖУ¬ÓÉÖ½´øÉϵÄһϵÁе㼣ȡ¼ÆÊýµã£¬¿ÉÇó³öÈÎÒâÁ½¸ö¼ÆÊýµãÖ®¼äµÄƽ¾ùËÙ¶È
D£®ÔÚ¡°ÑéÖ¤»úеÄÜÊغ㶨ÂÉ¡±µÄʵÑéÖУ¬±ØÐëÒªÓÃÌìƽ²â³öÏÂÂäÎïÌåµÄÖÊÁ¿£®
AC
AC
A£®¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò¡±ÊµÑé²ÉÓõĿÆѧ·½·¨ÊǵÈЧÌæ´ú·¨
B£®µç»ð»¨´òµã¼ÆʱÆ÷µÄ¹¤×÷µçѹÊÇ220VµÄÖ±Á÷µç
C£®ÔÚÓôòµã¼ÆʱÆ÷¡°Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯¡±µÄʵÑéÖУ¬ÓÉÖ½´øÉϵÄһϵÁе㼣ȡ¼ÆÊýµã£¬¿ÉÇó³öÈÎÒâÁ½¸ö¼ÆÊýµãÖ®¼äµÄƽ¾ùËÙ¶È
D£®ÔÚ¡°ÑéÖ¤»úеÄÜÊغ㶨ÂÉ¡±µÄʵÑéÖУ¬±ØÐëÒªÓÃÌìƽ²â³öÏÂÂäÎïÌåµÄÖÊÁ¿£®
·ÖÎö£º¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò¡±ÊµÑé²ÉÓõĿÆѧ·½·¨ÊǵÈЧÌæ´ú·¨£¬µç»ð»¨¼ÆʱÆ÷ÓõĵçÔ´ÊÇ220V½»Á÷µç¶ø²»ÄÜÊÇÖ±Á÷µç£¬¸ù¾Ý
=
¿ÉÒÔÇó³öÈÎÒâÁ½µã¼äµÄƽ¾ùËٶȣ®
|
x |
t |
½â´ð£º½â£ºA¡¢ºÏÁ¦Óë·ÖÁ¦µÄ¹ØϵÊǵÈЧÌæ´ú¹Øϵ£¬¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò¡±ÊµÑéÑéÖ¤µÄÊǺÏÁ¦ÓëÁ½·ÖÁ¦µÄ¹Øϵ£¬ËùÒÔ±¾ÊµÑéµÄ¿Æѧ·½·¨ÊǵÈЧÌæ´ú·¨£¬¹ÊAÕýÈ·£®
B¡¢µç»ð»¨´òµã¼ÆʱÆ÷µÄ¹¤×÷µçѹÊÇ220VµÄ½»Á÷µç£¬¹ÊB´íÎó£®
C¡¢¸ù¾Ý
=
¿ÉµÃ£¬¿ÉÒÔÇó³öÖ½´øÉÏÈÎÒâÁ½¸ö¼ÆÊýµãÖ®¼äµÄƽ¾ùËٶȣ¬¹ÊCÕýÈ·£®
D¡¢ÑéÖ¤»úеÄÜÊغãʵÑéÐèÒªÑéÖ¤mgh=
mv
£¬ÒòÖÊÁ¿m¿ÉÒÔÏûÈ¥£¬ËùÒÔ±¾ÊµÑé²»ÐèÒªÓÃÌìƽ²âÁ¿ÖÊÁ¿£¬¹ÊD´íÎó£®
¹ÊÑ¡AC£®
B¡¢µç»ð»¨´òµã¼ÆʱÆ÷µÄ¹¤×÷µçѹÊÇ220VµÄ½»Á÷µç£¬¹ÊB´íÎó£®
C¡¢¸ù¾Ý
. |
v |
x |
t |
D¡¢ÑéÖ¤»úеÄÜÊغãʵÑéÐèÒªÑéÖ¤mgh=
1 |
2 |
2 |
¹ÊÑ¡AC£®
µãÆÀ£ºÃ÷ȷÿ¸öʵÑéµÄʵÑéÔÀíÊǽâ¾öʵÑéÎÊÌâµÄ¹Ø¼ü£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
ÏÂÁÐÓйظßÖÐÎïÀíʵÑéµÄ˵·¨ÖУ¬ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A¡¢¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò¡±ÊµÑé²ÉÓõĿÆѧ·½·¨ÊǵÈЧÌæ´ú·¨ | B¡¢µç»ð»¨´òµã¼ÆʱÆ÷µÄ¹¤×÷µçѹÊÇ220VµÄÖ±Á÷µç | C¡¢ÔÚÓôòµã¼ÆʱÆ÷¡°Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯¡±µÄʵÑéÖУ¬ÓÉÖ½´øÉϵÄһϵÁе㼣ȡ¼ÆÊýµã£¬¿ÉÇó³öÈÎÒâÁ½¸ö¼ÆÊýµãÖ®¼äµÄƽ¾ùËÙ¶È | D¡¢ÔÚ¡°ÑéÖ¤»úеÄÜÊغ㶨ÂÉ¡±µÄʵÑéÖУ¬±ØÐëÒªÓÃÌìƽ²â³öÏÂÂäÎïÌåµÄÖÊÁ¿ |