ÌâÄ¿ÄÚÈÝ
14£®ÒÔÏÂ˵·¨ÖÐÕýÈ·µÄÊÇ£¨¡¡¡¡£©A£® | ÈÈÏÖÏóµÄ΢¹ÛÀíÂÛÈÏΪ£¬¸÷¸ö·Ö×ÓµÄÔ˶¯¶¼ÊÇÎÞ¹æÔòµÄ¡¢´øÓÐżȻÐԵģ¬µ«´óÁ¿·Ö×ÓµÄÔ˶¯È´ÓÐÒ»¶¨µÄ¹æÂÉ | |
B£® | ´Ó΢¹Û½Ç¶È¿´£¬ÆøÌåѹǿµÄ´óС¸úÁ½¸öÒòËØÓйأºÒ»¸öÊÇÆøÌå·Ö×ÓµÄ×î´óËÙÂÊ£¬Ò»¸öÊÇ·Ö×ÓµÄÊýÄ¿ | |
C£® | ͬÖÖÔªËØ¿ÉÄÜÒÔ¾§ÌåºÍ·Ç¾§ÌåÁ½ÖÖ²»Í¬µÄÐÎ̬³öÏÖ£¬Èç½ð¸ÕʯÊǾ§Ì壬ʯīÊǷǾ§Ì壬µ«×é³ÉËüÃǵÄ΢Á£¾ùÊÇ̼Ô×Ó | |
D£® | Ò»¶¨Î¶ÈÏ£¬±¥ºÍÆûµÄ·Ö×ÓÊýÃܶÈÊÇÒ»¶¨µÄ£¬Òò¶ø±¥ºÍÆûµÄѹǿҲÊÇÒ»¶¨µÄ | |
E£® | ÎïÌåÎüÊÕÈÈÁ¿Í¬Ê±¶ÔÍâ×ö¹¦£¬ÄÚÄÜÒ»¶¨²»±ä |
·ÖÎö ÈÈÏÖÏóµÄ΢¹ÛÀíÂÛÈÏΪ·Ö×ÓÔ˶¯Âú×ãͳ¼Æ¹æÂÉ£»Ò»¶¨Á¿ÆøÌåѹǿµÄ´óС¸úÁ½¸öÒòËØÓйأºÒ»¸öÊÇ·Ö×ÓµÄƽ¾ù¶¯ÄÜ£¬Ò»¸öÊÇ·Ö×ÓµÄÊýÃܶȣ»¾§Ìå¡¢·Ç¾§ÌåÔÚÒ»¶¨Ìõ¼þÏ¿ÉÒÔת»¯£»±¥ºÍÕôÆûѹ½ö½öÓëζÈÓйأ»ÈÈÁ¦Ñ§µÚÒ»¶¨ÂÉ£¬¡÷U=W+Q·ÖÎöÎïÌåµÄÄÚÄܵı仯£®
½â´ð ½â£»A¡¢ÈÈÏÖÏóµÄ΢¹ÛÀíÂÛÈÏΪ·Ö×ÓÔ˶¯Âú×ãͳ¼Æ¹æÂÉ£¬¼´µ¥¸ö·Ö×ÓµÄÔ˶¯¶¼ÊÇÎÞ¹æÔòµÄ¡¢´øÓÐżȻÐԵģ¬µ«´óÁ¿·Ö×ÓµÄÔ˶¯È´ÓÐÒ»¶¨µÄ¹æÂÉ£»¹ÊAÕýÈ·
B¡¢Ò»¶¨Á¿ÆøÌåѹǿµÄ´óС¸úÁ½¸öÒòËØÓйأºÒ»¸öÊÇ·Ö×ÓµÄƽ¾ù¶¯ÄÜ£¬Ò»¸öÊÇ·Ö×ÓµÄÊýÃܶȣ»¹ÊB´íÎó
C¡¢¾§Ìå¡¢·Ç¾§ÌåÔÚÒ»¶¨Ìõ¼þÏ¿ÉÒÔת»¯£¬Í¬ÖÖÔªËصÄÔ×Ó¿ÉÒÔÉú³É²»Í¬ÖÖ¾§Ì壻¹ÊCÕýÈ·
D¡¢±¥ºÍÕôÆûѹ½ö½öÓëζÈÓйأ»Ò»¶¨Î¶ÈÏ£¬±¥ºÍÆûµÄ·Ö×ÓÊýÃܶÈÊÇÒ»¶¨µÄ£¬Òò¶ø±¥ºÍÆûµÄѹǿҲÊÇÒ»¶¨µÄ£»¹ÊDÕýÈ·
E¡¢ÈÈÁ¦Ñ§µÚÒ»¶¨ÂÉ£¬¡÷U=W+Q£¬ÎïÌåÎüÊÕÈÈÁ¿Í¬Ê±¶ÔÍâ×ö¹¦£¬ÄÚÄÜ¿ÉÄܱ仯£®¹ÊE´íÎó
¹ÊÑ¡£ºACD
µãÆÀ ±¾Ì⿼²éÁË·Ö×ÓÔ˶¯µÄͳ¼Æ¹æÂÉ¡¢¾§ÌåÓë·Ç¾§Ì塢ѹǿµÄ΢¹ÛÒâÒå¡¢±¥ºÍÕôÆûѹÓëÈÈÁ¦Ñ§µÚÒ»¶¨ÂÉ£¬¶¼ÊÇһЩ¼ÇÒäÐÔµÄ֪ʶµãµÄÄÚÈÝ£¬¹Ø¼üÊǸù¾Ý¹«Ê½¡÷E=W+Q½øÐзÖÎö£¬»ù´¡Ì⣮
A£® | ÔÚ²£Á§Öд«²¥Ê±£¬a¹âµÄ´«²¥ËٶȽϴó | |
B£® | ÔÚͨ¹ýͬһ˫·ì¸ÉÉæ×°Öã¬a¹âµÄÏàÁÚÁÁÌõÎƼä¾à´ó | |
C£® | ÒÔÏàͬµÄÈëÉä½ÇÓÉË®ÖÐбÉäÈë¿ÕÆø£¬a¹âµÄÕÛÉä½Ç´ó | |
D£® | Ôö´óÈëÉä¹âÔÚÉϱíÃæµÄÈëÉä½Ç£¬¿ÉÄÜÖ»ÓÐÒ»ÖÖ¹â´ÓϱíÃæÉä³ö |
A£® | Æû³µÉ²³µºóµÄλÒÆ | B£® | Æû³µÉ²³µºóµÄÔ˶¯×èÁ¦ | ||
C£® | Æû³µÉ²³µºóµÄÔ˶¯Ê±¼ä | D£® | Æû³µÉ²³µºóµÄ¼ÓËÙ¶È |
A£® | ÎïÌåµÄλÒƶ¼Ïàͬ | B£® | ÎïÌåͨ¹ýµÄ·³Ì¶¼ÏàµÈ | ||
C£® | ÎïÌåËٶȷ½Ïò¸Ä±äµÄ½Ç¶È¶¼ÏàµÈ | D£® | ÎïÌåÓëÔ²ÐÄÁ¬Ïßת¹ýµÄ½Ç¶È¶¼ÏàµÈ |
A£® | $\frac{{{v}_{0}}^{2}{T}^{2}£¨r-{r}_{0}£©^{2}}{4{¦Ð}^{2}{r}^{3}}$ | B£® | $\frac{{{v}_{0}}^{2}{T}^{2}£¨r-{r}_{0}£©^{2}}{8{¦Ð}^{2}{r}^{3}}$ | ||
C£® | $\frac{{{v}_{0}}^{2}{T}^{2}{{r}_{0}}^{2}}{4{¦Ð}^{2}{r}^{3}}$ | D£® | $\frac{{{v}_{0}}^{2}{T}^{2}{{r}_{0}}^{2}}{8{¦Ð}^{2}{r}^{3}}$ |
A£® | µÆÅÝÁ½¶ËµçѹΪ55V | |
B£® | ¸±ÏßȦÖеçÁ÷µÄ±ä»¯ÆµÂÊΪ50HZ | |
C£® | Èô½»±äµçѹuµÄÓÐЧֵ²»±ä£¬ÆµÂÊÔö´ó£¬ÔòµÆÅÝL1µÄÁÁ¶È½«±äÁÁ | |
D£® | Èô½»±äµçѹuµÄÓÐЧֵ²»±ä£¬ÆµÂÊÔö´ó£¬Ôòµçѹ±íVµÄʾÊý½«¼õС |
A£® | ¸±ÏßȦÊä³öµçѹµÄƵÂÊΪ10Hz | |
B£® | µçѹ±íµÄʾÊýΪ220V | |
C£® | ¿ª¹ØS±ÕºÏʱ£¬µçѹ±íºÍ°²Åà±íµÄʾÊý¶¼Ôö¼Ó | |
D£® | ¿ª¹ØS±ÕºÏʱ£¬±äѹÆ÷µÄÊäÈ빦ÂÊÔö¼Ó |
A£® | ¾µäʱ¿Õ¹ÛÈÏΪ¿Õ¼äºÍʱ¼äÊǶÀÁ¢ÓÚÎïÌå¼°ÆäÔ˶¯¶ø´æÔÚµÄ | |
B£® | ¾µäÁ¦Ñ§µÄ»ù´¡ÊÇÅ£¶ÙÔ˶¯¶¨ÂÉ£¬ËüÊÊÓÃÓÚºê¹ÛºÍ΢¹ÛÊÀ½ç | |
C£® | ÔÚ¾µäÁ¦Ñ§ÖУ¬ÎïÌåµÄÖÊÁ¿ÊÇËæÔ˶¯×´Ì¬¶ø¸Ä±äµÄ | |
D£® | ¾µäÁ¦Ñ§Ò²ÊÊÓÃÓÚ¸ßËÙÔ˶¯µÄºê¹ÛÎïÌå |