ÌâÄ¿ÄÚÈÝ
ijͬѧÔÚ×ö¡°»¥³É½Ç¶ÈµÄÁ½¸öÁ¦µÄºÏ³É¡±ÊµÑéʱ£¬ÀûÓÃ×ø±êÖ½¼ÇÏÂÁËÏðƤ½îµÄ½áµãλÖÃOµãÒÔ¼°Á½Ö»µ¯»É²âÁ¦¼ÆÀÁ¦µÄ´óС£¬ÈçͼËùʾ .
(1)ÊÔÔÚͼÖÐ×÷³öÎÞʵÑéÎó²îÇé¿öÏÂF1ºÍF2µÄºÏÁ¦Í¼Ê¾£¬²¢ÓÃF±íʾ´ËÁ¦£®
(2)ÓйشËʵÑ飬ÏÂÁÐÐðÊöÕýÈ·µÄÊÇ(¡¡¡¡)
A£®Á½µ¯»É²âÁ¦¼ÆµÄÀÁ¦²»ÄÜͬʱ±ÈÏðƤ½îµÄÀÁ¦´ó |
B£®ÏðƤ½îµÄÀÁ¦ÊǺÏÁ¦£¬¶øµ¯»É²âÁ¦¼ÆµÄÀÁ¦ÊÇ·ÖÁ¦ |
C£®Á½´ÎÀÏðƤ½îʱ£¬Ð轫ÏðƤ½î½áµãÀµ½Í¬Ò»Î»ÖÃO£¬ÕâÑù×öµÄÄ¿µÄÊDZ£Ö¤Á½´Îµ¯»É²âÁ¦¼ÆÀÁ¦Ð§¹ûÏàͬ |
D£®ÈôÖ»Ôö´óijһֻµ¯»É²âÁ¦¼ÆµÄÀÁ¦´óС¶øÒª±£Ö¤ÏðƤ½î½áµãλÖò»±ä£¬Ö»Ðèµ÷ÕûÁíÒ»Ö»µ¯»É²âÁ¦¼ÆÀÁ¦µÄ´óС¼´¿É |
![](http://thumb.1010pic.com/pic5/tikupic/e9/4/1itia4.jpg)
£¨1£©¼û½âÎö(2)C¡¡(3)¼×
½âÎöÊÔÌâ·ÖÎö£º£¨1£©ÈçͼËùʾ
£¨2£©Á½µ¯»É²âÁ¦¼ÆµÄÀÁ¦¿ÉÒÔͬʱ±ÈÏðƤ½îµÄÀÁ¦´ó£»ÏðƤ½îµÄÀÁ¦ºÍµ¯»É³ÓµÄÀÁ¦¶¼¿ÉÒÔ×öºÏÁ¦£¬Ò²¿ÉÒÔ×ö·ÖÁ¦£»Á½´ÎÀÏðƤ½îʱ£¬Ð轫ÏðƤ½î½áµãÀµ½Í¬Ò»Î»ÖÃO£¬ÕâÑù×öµÄÄ¿µÄÊDZ£Ö¤Á½´Îµ¯»É²âÁ¦¼ÆÀÁ¦Ð§¹ûÏàͬ£»ÈôÖ»Ôö´óijһֻµ¯»É²âÁ¦¼ÆµÄÀÁ¦´óС¶øÒª±£Ö¤ÏðƤ½î½áµãλÖò»±ä£¬±ØÐëͬʱµ÷ÕûÁíÒ»Ö»µ¯»É²âÁ¦¼ÆÀÁ¦µÄ´óСºÍ·½Ïò¡£(3)ÒòΪÓÃÒ»Ö»µ¯»É²âÁ¦¼ÆÀʱµÄÀÁ¦·½ÏòÓëÏðƤ½îµÄ·½ÏòÒ»Ö£¬ËùÒÔ¼×ͼ·ûºÏʵÑéÊÂʵ¡£
¿¼µã£º´ËÌ⿼²éÁËÑéÖ¤Á¦µÄƽÐÐËıßÐη¨ÔòµÄʵÑé¡£
![](http://thumb2018.1010pic.com/images/loading.gif)
(12·Ö)ijͬѧÉè¼ÆÁËÈçÌâͼ10ËùʾµÄ×°ÖÃÀ´¡°Ì½¾¿¼ÓËÙ¶ÈÓëÁ¦µÄ¹Øϵ¡±£¬µ¯»É³Ó¹Ì¶¨ÔÚÒ»ºÏÊʵÄľ°åÉÏ£¬×ÀÃæµÄÓÒ±ßÔµ¹Ì¶¨Ò»Ö§±íÃæ¹â»¬µÄǦ±ÊÒÔ´úÌ涨»¬ÂÖ£¬Ï¸ÉþµÄÁ½¶Ë·Ö±ðÓ뵯»É³ÓµÄ¹Ò¹³ºÍ¿óȪˮƿÁ¬½Ó£¬ÔÚ×ÀÃæÉÏ»³öÁ½ÌõƽÐÐÏßMN¡¢PQ£¬²¢²â³ö¼ä¾àd£¬¿ªÊ¼Ê±ÏȽ«Ä¾°åÖÃÓÚMN´¦£¬È»ºó»ºÂýµØÏòÆ¿ÖмÓË®£¬Ö±µ½Ä¾°å¸Õ¸Õ¿ªÊ¼Ô˶¯ÎªÖ¹£¬¼Çϵ¯»É³ÓµÄʾÊýF0£¬ÒԴ˱íʾ»¬¶¯Ä¦²ÁÁ¦µÄ´óС£¬ÔÙ½«Ä¾°å·Å»ØÔ´¦²¢°´×¡£¬¼ÌÐøÏòÆ¿ÖмÓÉÙÁ¿Ë®£¬¼Çϵ¯»É³ÓµÄʾÊýF1£¬È»ºóÊÍ·Åľ°å£¬²¢ÓÃÃë±í¼ÇÏÂľ°åÔ˶¯µ½PQ´¦µÄʱ¼ät¡£
¢Åľ°åµÄ¼ÓËٶȿÉÒÔÓÃd¡¢t±íʾΪa£½ £»
¢Æ¸Ä±äÆ¿ÖÐË®µÄÖÊÁ¿Öظ´ÊµÑ飬ȷ¶¨¼ÓËÙ¶ÈaÓ뵯»É³ÓʾÊýF1µÄ¹Øϵ£¬ÏÂÁÐͼÏóÄܱíʾ¸ÃͬѧʵÑé½á¹ûµÄÊÇ £»
¢ÇÓüÓË®µÄ·½·¨¸Ä±äÀÁ¦µÄ´óСÓë¹Ò¹³ÂëµÄ·½·¨Ïà±È£¬ËüµÄÓŵãÊÇ ¡£
A£®¿ÉÒԸı们¶¯Ä¦²ÁÁ¦µÄ´óС |
B£®¿ÉÒÔ¸ü·½±ãµØ»ñÈ¡¶à×éʵÑéÊý¾Ý |
C£®¿ÉÒԱȽϾ«È·µØ²â³öĦ²ÁÁ¦µÄ´óС |
D£®¿ÉÒÔ»ñµÃ¸ü´óµÄ¼ÓËÙ¶ÈÒÔÌá¸ßʵÑ龫¶È |
£¨6·Ö£©Ì½¾¿Á¦¶ÔÔÀ´¾²Ö¹µÄÎïÌå×öµÄ¹¦ÓëÎïÌå»ñµÃµÄËٶȵĹØϵ£¬ÊµÑé×°ÖÃÈçͼËùʾ£¬ÊµÑéÖ÷Òª¹ý³ÌÈçÏ£º
£¨1£©Éè·¨ÈÃÏðƤ½î¶Ô³µ×öµÄ¹¦·Ö±ðΪW¡¢2W¡¢3W¡¢¡¡
£¨2£©·ÖÎö´òµã¼ÆʱÆ÷´ò³öµÄÖ½´ø£¬Çó³öС³µµÄËٶȡ¢
¡¢
¡¡
£¨3£©×÷³ö²Ýͼ
£¨4£©·ÖÎöͼ£¬Èç¹û
ͼÏóÊÇÒ»ÌõÖ±Ïߣ¬±íÃ÷
£»Èç¹û²»ÊÇÖ±Ïߣ¬¿É¿¼ÂÇÊÇ·ñ´æÔÚ
£¬
µÈ¹Øϵ¡£
ÒÔϹØÓÚ¸ÃʵÑéµÄ˵·¨ÖÐÓÐÒ»Ïî²»ÕýÈ·µÄÊÇ£¨ £©
A£®±¾ÊµÑéÉè·¨ÈÃÏðƤ½î¶ÔС³µ×öµÄ¹¦·Ö±ðΪW¡¢2W¡¢3W¡¡Ëù²ÉÓõķ½·¨ÊÇÑ¡ÓÃͬÑùµÄÏðƤ½î£¬²¢ÔÚÿ´ÎʵÑéÖУ¬Ê¹ÏðƤ½îÀÉìµÄ³¤¶È±£³ÖÒ»Ö¡£µ±ÓÃ1ÌõÏðƤ½î½øÐÐʵÑéʱ£¬ÏðƤ½î¶ÔС³µ×öµÄ¹¦ÎªW£¬ÓÃ2Ìõ¡¢3Ìõ¡¡ÏðƤ½î²¢ÔÚÒ»Æð½øÐеÚ2´Î¡¢µÚ3´Î¡¡ÊµÑéʱ£¬ÏðƤ½î¶ÔС³µ×öµÄ¹¦·Ö±ðÊÇ2W¡¢3W¡¡ |
B£®Ð¡³µÔ˶¯ÖлáÊܵ½×èÁ¦£¬²¹³¥µÄ·½·¨£¬¿ÉÒÔʹľ°åÇãб¡£ |
C£®Ä³Í¬Ñ§ÔÚÒ»´ÎʵÑéÖУ¬µÃµ½Ò»Ìõ¼Ç¼ֽ´ø£¬Ö½´øÉÏ´ò³öµÄµã£¬Á½¶ËÃÜ£¬ÖмäÊ裬³öÏÖÕâÖÖÇé¿öµÄÔÒò£¬¿ÉÄÜÊÇûÓÐʹľ°åÇãб»òÇã½Ç̫С¡£ |
D£®¸ù¾Ý¼Ç¼ֽ´øÉÏ´ò³öµÄµã£¬ÇóС³µ»ñµÃËٶȵķ½·¨£¬ÊÇÒÔÖ½´øÉϵÚÒ»µãµ½×îºóÒ»µãµÄ¾àÀëÀ´½øÐмÆËã¡£ |
£¨12·Ö£©ÔÚ×ö²âÁ¿Ò»µçÔ´µÄµç¶¯ÊƺÍÄÚµç×èµÄʵÑéʱ£¬±¸ÓÐÏÂÁÐÆ÷²Ä£º
A£®¶¨Öµµç×裺 |
B£®Ö±Á÷µçÁ÷±í(Á¿³Ì0¡«0.6A£¬ÄÚ×è²»ÄܺöÂÔ) |
C£®Ö±Á÷µçѹ±í(Á¿³Ì0¡«3V£¬ÄÚ×è½Ï´ó) |
D£®»¬¶¯±ä×èÆ÷(×èÖµ·¶Î§0¡«10¦¸) |
F£®µç¼üS¼°µ¼ÏßÈô¸É
¢Ù»¬¶¯±ä×èÆ÷Ñ¡Óà (Ìî¡°D¡±»ò¡°E¡±)
¢Úijͬѧ½«Ñ¡¶¨µÄÆ÷²ÄÔÚͼËùʾµÄʵÎïͼÉÏÁ¬ÏßÍê³ÉÁ˲¿·ÖʵÑéµç·£¬ÇëÄãÒԱʻÏß×öµ¼ÏßÁ¬½ÓÕýÈ·µÄµç·£®
![](http://thumb.1010pic.com/pic5/tikupic/c5/f/1sczz3.png)
¢Û°´ÕýÈ·²Ù×÷Íê³ÉʵÑ飬¸ù¾ÝʵÑé¼Ç¼£¬½«²âÁ¿Êý¾ÝÃèµã×÷³öÄâºÏͼÏßÈçͼËùʾ£¬ÓÉͼÏó¿ÉµÃ¸ÃµçÔ´µÄµç¶¯ÊÆ
![](http://thumb.1010pic.com/pic5/tikupic/db/b/1un9t2.png)
![](http://thumb.1010pic.com/pic5/tikupic/78/c/fbopw2.png)
![](http://thumb.1010pic.com/pic5/tikupic/e2/a/z423l.png)
(1)ijͬѧÓÃÈçͼËùʾµÄʵÑé×°ÖÃÑéÖ¤¡°Á¦µÄƽÐÐËıßÐζ¨Ôò¡±¡£µ¯»É²âÁ¦¼ÆA¹ÒÓڹ̶¨µãP£¬Ï¶ËÓÃϸÏß¹ÒÒ»ÖØÎïM.µ¯»É²âÁ¦¼ÆBµÄÒ»¶ËÓÃϸÏßϵÓÚOµã£¬ÊÖ³ÖÁíÒ»¶ËÏò×óÀ£¬Ê¹½áµãO¾²Ö¹ÔÚijλÖ᣷ֱð¶Á³öµ¯»É²âÁ¦¼ÆAºÍBµÄʾÊý£¬²¢ÔÚÌùÓÚÊúֱľ°åµÄ°×Ö½ÉϼǼ ºÍ
(a)±¾ÊµÑéÓõĵ¯»É²âÁ¦¼ÆʾÊýµÄµ¥Î»ÎªN£¬Í¼ÖÐAµÄʾÊýΪ________N.
(b)ÏÂÁбØÒªµÄʵÑéÒªÇóÊÇ ________(ÌîдѡÏîÇ°µÄ×Öĸ)£®
A£®Ó¦²âÁ¿ÖØÎïMËùÊܵÄÖØÁ¦ |
B£®µ¯»É²âÁ¦¼ÆÓ¦ÔÚʹÓÃǰУÁã |
C£®ÀÏß·½ÏòÓ¦Óëľ°åƽÃæƽÐÐ |
D£®¸Ä±äÀÁ¦£¬½øÐжà´ÎʵÑ飬ÿ´Î¶¼ÒªÊ¹Oµã¾²Ö¹ÔÚͬһλÖà |
¢ÙʵÑéÖÐÐèҪƽºâĦ²ÁÁ¦£¬Ó¦µ±È¡Ï £¨Ñ¡ÌС³µÉϵĹ³Â롱¡¢¡°Ð¡ÍÐÅ̺ÍíÀÂ롱»ò¡°Ö½´ø¡±£©£¬½«Ä¾°åÓÒ¶ËÊʵ±µæ¸ß£¬Ö±ÖÁС³µÔÚ³¤Ä¾°åÉÏÔ˶¯Ê±£¬Ö½´øÉÏ´ò³öÀ´µÄµã¼ä¾àÏàµÈ£®
¢ÚͼÒÒΪʵÑéÖеõ½µÄÒ»ÌõÖ½´øµÄÒ»²¿·Ö£¬0¡¢1¡¢2¡¢3¡¢4¡¢5¡¢6Ϊ¼ÆÊýµã£¬ÏàÁÚÁ½¼ÆÊýµã¼ä»¹ÓÐ4¸ö´òµãδ»³ö£®ËùÓý»Á÷µçµÄƵÂÊΪ50Hz£¬´ÓÖ½´øÉϲâ³öx1=3.20cm£¬x2=4.74cm£¬x3=6.30cm£¬x4=7.85cm£¬x5=9.41cm£¬x6=10.96cm£®Ð¡³µÔ˶¯µÄ¼ÓËٶȴóСΪ m/s2£¨½á¹û±£ÁôÈýλÓÐЧÊý×Ö£©£®
![](http://thumb.1010pic.com/pic5/tikupic/00/a/1crme3.png)
¢Û´ËʵÑéÖÐÓÐÈý¸ö±ä»¯µÄÎïÀíÁ¿£¬ÔÚʵÑéÖÐÎÒÃDzÉÓõķ½·¨ÊÇ £¬ÔÚÑо¿¼ÓËÙ¶ÈÓëÁ¦µÄ¹ØϵʱÎÒÃǵõ½ÁËÈçͼ±ûËùʾµÄͼÏñ£¬Í¼Ïñ²»¹ýÔµãÔÒòÊÇ ¡£
![](http://thumb.1010pic.com/pic5/tikupic/0c/b/12opa4.png)
![](http://thumb.1010pic.com/pic5/tikupic/ba/4/co7sk1.png)