ÌâÄ¿ÄÚÈÝ

Ôڲⶨ½ðÊôµÄµç×èÂʵÄʵÑéÖУ¬½ðÊôµ¼Ïß³¤Ô¼0.8m£¬Ö±¾¶Ð¡ÓÚ1mm£¬µç×è´óԼΪ4¦¸£®ÊµÑéÖ÷Òª²½ÖèÈçÏ£¬
ÇëÌîдÆäÖеĿհײ¿·Ö»ò°´ÒªÇóÁ¬Ïߣº

£¨¢ñ£©²½Ö裺
1ÓÃÃ׳߲âÁ¿½ðÊôµ¼Ïߵij¤¶È£¬²â3´Î£¬Çó³öƽ¾ùÖµL£»
2 ÔÚ½ðÊôµ¼ÏßµÄ3¸ö²»Í¬Î»ÖÃÉÏÓÃ
ÂÝÐý²â΢Æ÷
ÂÝÐý²â΢Æ÷
²âÁ¿Ö±¾¶£¬Çó³öƽ¾ùÖµd£»
3 Ó÷ü°²·¨²âÁ¿½ðÊôµ¼Ïߵĵç×èR£®ÏÖÓÐÆ÷²Ä£ºÖ±Á÷µçÔ´£¨µç¶¯ÊÆÔ¼4.0V£¬
ÄÚ×èºÜС£©£¬
£¨¢ò£© ¸ø¶¨µÄÆ÷²Ä£ºµçÁ÷±íA1£¨Á¿³Ì0¡«0.6A£¬ÄÚ×èÔ¼0.125¦¸£©£»µçÁ÷±íA2£¨Á¿³Ì0¡«3.0A£¬ÄÚ×èÔ¼0.025¦¸£©£»µçѹ±íV£¨Á¿³Ì0¡«3V£¬ÄÚ×èÔ¼3k¦¸£©£»»¬¶¯±ä×èÆ÷R0£¨×î´ó×èÖµ20¦¸£©£¬¿ª¹ØS¡¢µ¼ÏßÈô¸É£®
¢ÙÈç¹û¼ÈÒªÂú×ã²âÁ¿ÒªÇó£¬ÓÖÒª²âÁ¿Îó²î½ÏС£¬Ó¦¸ÃÑ¡ÓõĵçÁ÷±íÊÇ
µçÁ÷±íA1
µçÁ÷±íA1
£»
¢ÚÆäʵÑéµç·ԭÀíͼÈç¼×¡¢ÒÒ£¬ÄãÈÏΪӦ¸ÃÑ¡ÔñÄÇÖÖ
¼×
¼×
£¨¼×»òÒÒ£©µç·£®
¢ÛÔÚʵÎïͼͼ±ûÉÏ»­ÏßÁ¬½Ó³ÉʵÑéµç·£®
¢Ü¸ù¾ÝÉÏÊö²âµÃµÄ½ðÊôµ¼Ïß³¤¶ÈL£¬Ö±¾¶dºÍµç×èR£¬Óɵç×èÂʵıí´ïʽ¦Ñ=
¦Ðd2R
4L
¦Ðd2R
4L
Ëã³ö¸Ã½ðÊôµÄµç×èÂÊ£®£¨Óøø¶¨µÄ×Öĸ±íʾ£©
·ÖÎö£º½ðÊôµ¼ÏßµÄÖ±¾¶ÓÉÂÝÐý²â΢Æ÷²âÁ¿£»
Ñ¡ÔñÆ÷²ÄÐ谲ȫ¡¢¾«È·£¬Í¨¹ý½ðÊôµ¼Ïߵĵç×èµÄ¶î¶¨µçÁ÷È·¶¨³öµçÁ÷±íµÄÁ¿³Ì£®Í¨¹ý±È½Ï½ðÊôµ¼Ïߵĵç×èÓëµçÁ÷±íÄÚ×èºÍµçѹ±íÄÚ×èµÄ¹Øϵ£¬È·¶¨µç·µÄÑ¡Ôñ£¬Èô½ðÊôµ¼Ïߵĵç×èԶСÓÚµçѹ±íµÄÄÚ×裬²ÉÈ¡Íâ½Ó·¨£¬Èô½ðÊôµ¼ÏßµÄÄÚ×èÔ¶´óÓÚµçÁ÷±íµÄÄÚ×裬²ÉÓÃÄÚ½Ó·¨£®
¸ù¾ÝÌâÒ⣬½áºÏµç×趨ÂÉR=¦Ñ
L
S
£¬¼´¿ÉÇó½â£®
½â´ð£º½â£º£¨I£©½ðÊôµ¼ÏßµÄÖ±¾¶ºÜС£¬Òò´Ëͨ¹ýÂÝÐý²â΢Æ÷²âÁ¿£»
£¨II£©£º¢Ù½ðÊôµ¼ÏßµÄ×î´óµçÁ÷I=
U
R
=
4
4
A
=1A£¬ÒªÇó²âÁ¿Îó²î½ÏС£¬Ó¦¸ÃÑ¡ÓõĵçÁ÷±íA1£»
¢Ú½ðÊôµ¼Ïߵĵç×èR=4¦¸£¬ÓÉÓÚR?RV£¬¹ÊӦѡµçÁ÷±íÍâ½Ó·¨£®¼´Ñ¡Ôñ¼×ͼ£®
¢Û¸ù¾Ýµç·ͼ£¬Á¬½ÓʵÎïͼ£¬×¢Òâµç±íµÄÁ¿³Ì£¬¼°Õý¸º¼«£®ÈçͼËùʾ£»
¢Ü¸ù¾Ýµç×趨ÂÉR=¦Ñ
L
S
£¬ÒÑÖªS=¦Ð(
d
2
)2
£¬Òò´Ëµç×èÂʵıí´ïʽ¦Ñ=
R
L
¦Ð(
d
2
)2
=
¦Ðd2R
4L
£»
¹Ê´ð°¸Îª£º£¨2£©ÂÝÐý²â΢Æ÷£¨Ç§·Ö³ß£©£»£¨3£©¢ÙµçÁ÷±íA1£»¢Ú¼×£»£¨4£©¦Ñ=
¦Ðd2R
4L
µãÆÀ£º½â¾ö±¾ÌâµÄ¹Ø¼üÕÆÎÕÆ÷²ÄÑ¡È¡µÄÔ­Ôò£¬¼´°²È«£¬¾«È·£®ÒÔ¼°ÕÆÎÕµçÁ÷±íÄÚÍâ½ÓÄÄÖÖÇé¿öÎó²î±È½ÏС£¬¡°´óÄÚÆ«´ó£¬Ð¡ÍâƫС¡±£®
±¾Ìâ³öʾÁ˹«Ê½R=¦Ñ
L
S
£¬ÄÜ°ïÖúѧÉú¸üºÃµÄÀí½âÓ°Ïìµç×è´óСµÄÒòËØ£®±¾ÌâÒ²¿ÉÒÔ˵ÊÇÒ»µÀ´´ÐÂÌ⣬ÄÜ¿¼²éѧÉúµÄʵÑé´´ÐÂÄÜÁ¦£¬ÊÇÒ»µÀºÃÌ⣮
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

£¨1£©¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò¡±µÄʵÑéÇé¿öÈçͼ¼×Ëùʾ£¬ÆäÖÐAΪ¹Ì¶¨ÏðƤ½îµÄͼ¶¤£¬OΪÏðƤ½îÓëϸÉþµÄ½áµã£¬OBºÍOCΪϸÉþ¡£Í¼ÒÒÊÇÔÚ°×Ö½Éϸù¾ÝʵÑé½á¹û»­³öµÄͼ¡£

¢Ù×öºÃʵÑé×¼±¸ºó£¬ÏÈÓÃÁ½¸öµ¯»É³Ó°ÑÏðƤÌõµÄ½áµãÀ­µ½Ä³Ò»Î»ÖÃO£¬´ËʱÐèÒª¼Ç¼µÄÊÇ        £¬                 ºÍ               

¢ÚͼÒÒÖеÄFÓëF¡ä Á½Á¦ÖУ¬·½ÏòÒ»¶¨ÑØAO·½ÏòµÄÊÇ_____¡£

¢Û±¾ÊµÑé²ÉÓõĿÆѧ·½·¨ÊÇ        ¡£

A£®ÀíÏëʵÑé·¨                B£®µÈЧÌæ´ú·¨

C£®¿ØÖƱäÁ¿·¨                D£®½¨Á¢ÎïÀíÄ£ÐÍ·¨

£¨2£©ÔÚ¡°²â¶¨½ðÊôµÄµç×èÂÊ¡±µÄʵÑéÖУ¬ÓÃÂÝÐý²â΢Æ÷²âÁ¿½ðÊôÖ±¾¶Ê±µÄ¿Ì¶ÈλÖÃÈçͼËùʾ£¬ÓÃÃ׳߲â³ö½ðÊôË¿µÄ³¤L,½ðÊôË¿µÄµç×è´óԼΪ5ÏÈÓ÷ü°²·¨²â³ö½ðÊôË¿µÄµç×èR, È»ºó¸ù¾Ýµç×趨ÂɼÆËã³ö¸Ã½ðÊô²ÄÁϵĵç×èÂÊ¡£Îª´ËÈ¡À´Á½½Úеĸɵç³Ø¡¢µç¼üºÍÈô¸Éµ¼Ïß¼°ÏÂÁÐÆ÷²Ä£º

        A£®µçѹ±í0-3V,ÄÚ×è10k

        B£®µçѹ±í0-15V,ÄÚ×è50k

        C£®µçÁ÷±í0-0.6A,ÄÚ×è0.05

        D£®µçÁ÷±í0-3A,ÄÚ×è0.01

        E£®»¬¶¯±ä×èÆ÷£¬0- 10

        F£®»¬¶¯±ä×èÆ÷£¬0-100

¢Ù´ÓͼÖжÁ³ö½ðÊôË¿µÄÖ±¾¶Îª              m m

¢ÚÒªÇó½Ï׼ȷµØ²à³öÆä×èÖµ£¬µçѹ±íӦѡ       £¬µçÁ÷±íӦѡ       £¬»¬¶¯±ä×èÆ÷Ӧѡ       £®£¨ÌîÐòºÅ£©

    ¢ÛʵÑéÖÐËûµÄʵÎï½ÓÏßÈçͼËùʾ£¬ÇëÖ¸³ö¸ÃͬѧʵÎï½ÓÏßÖеÄÁ½´¦Ã÷ÏÔ´íÎó¡£

´íÎó1                                                              

´íÎó2                                                                 

£¨1£©£¨9·Ö£©¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò¡±µÄʵÑéÇé¿öÈçͼ¼×Ëùʾ£¬ÆäÖÐAΪ¹Ì¶¨ÏðƤ½îµÄͼ¶¤£¬OΪÏðƤ½îÓëϸÉþµÄ½áµã£¬OBºÍOCΪϸÉþ¡£Í¼ÒÒÊÇÔÚ°×Ö½Éϸù¾ÝʵÑé½á¹û»­³öµÄͼ¡£

¢Ù×öºÃʵÑé×¼±¸ºó£¬ÏÈÓÃÁ½¸öµ¯»É³Ó°ÑÏðƤÌõµÄ½áµãÀ­µ½Ä³Ò»Î»ÖÃO£¬´ËʱÐèÒª¼Ç¼µÄÊÇ       £¬                ºÍ               

¢ÚͼÒÒÖеÄFÓëF¡ä Á½Á¦ÖУ¬·½ÏòÒ»¶¨ÑØAO·½ÏòµÄÊÇ_____¡£

¢Û±¾ÊµÑé²ÉÓõĿÆѧ·½·¨ÊÇ        ¡£

A£®ÀíÏëʵÑé·¨               B£®µÈЧÌæ´ú·¨

C£®¿ØÖƱäÁ¿·¨               D£®½¨Á¢ÎïÀíÄ£ÐÍ·¨

£¨2£©£¨9·Ö£©ÔÚ¡°²â¶¨½ðÊôµÄµç×èÂÊ¡±µÄʵÑéÖУ¬ÓÃÂÝÐý²â΢Æ÷²âÁ¿½ðÊôÖ±¾¶Ê±µÄ¿Ì¶ÈλÖÃÈçͼËùʾ£¬ÓÃÃ׳߲â³ö½ðÊôË¿µÄ³¤L,½ðÊôË¿µÄµç×è´óԼΪ5ÏÈÓ÷ü°²·¨²â³ö½ðÊôË¿µÄµç×èR, È»ºó¸ù¾Ýµç×趨ÂɼÆËã³ö¸Ã½ðÊô²ÄÁϵĵç×èÂÊ¡£Îª´ËÈ¡À´Á½½Úеĸɵç³Ø¡¢µç¼üºÍÈô¸Éµ¼Ïß¼°ÏÂÁÐÆ÷²Ä£º

        A£®µçѹ±í0-3V,ÄÚ×è10k

        B£®µçѹ±í0-15V,ÄÚ×è50k

        C£®µçÁ÷±í0-0.6A,ÄÚ×è0.05

        D£®µçÁ÷±í0-3A,ÄÚ×è0.01

        E£®»¬¶¯±ä×èÆ÷£¬0- 10

        F£®»¬¶¯±ä×èÆ÷£¬0-100

¢Ù´ÓͼÖжÁ³ö½ðÊôË¿µÄÖ±¾¶Îª             m m

¢ÚÒªÇó½Ï׼ȷµØ²à³öÆä×èÖµ£¬µçѹ±íӦѡ      £¬µçÁ÷±íӦѡ       £¬»¬¶¯±ä×èÆ÷Ӧѡ       £®£¨ÌîÐòºÅ£©

    ¢ÛʵÑéÖÐËûµÄʵÎï½ÓÏßÈçͼËùʾ£¬ÇëÖ¸³ö¸ÃͬѧʵÎï½ÓÏßÖеÄÁ½´¦Ã÷ÏÔ´íÎó¡£

´íÎó1                                                              

 

´íÎó2                                                                 

 

£¨1£©£¨9·Ö£©¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò¡±µÄʵÑéÇé¿öÈçͼ¼×Ëùʾ£¬ÆäÖÐAΪ¹Ì¶¨ÏðƤ½îµÄͼ¶¤£¬OΪÏðƤ½îÓëϸÉþµÄ½áµã£¬OBºÍOCΪϸÉþ¡£Í¼ÒÒÊÇÔÚ°×Ö½Éϸù¾ÝʵÑé½á¹û»­³öµÄͼ¡£

¢Ù×öºÃʵÑé×¼±¸ºó£¬ÏÈÓÃÁ½¸öµ¯»É³Ó°ÑÏðƤÌõµÄ½áµãÀ­µ½Ä³Ò»Î»ÖÃO£¬´ËʱÐèÒª¼Ç¼µÄÊÇ        £¬                 ºÍ               

¢ÚͼÒÒÖеÄFÓëF¡ä Á½Á¦ÖУ¬·½ÏòÒ»¶¨ÑØAO·½ÏòµÄÊÇ_____¡£

¢Û±¾ÊµÑé²ÉÓõĿÆѧ·½·¨ÊÇ        ¡£

A£®ÀíÏëʵÑé·¨                B£®µÈЧÌæ´ú·¨

C£®¿ØÖƱäÁ¿·¨                D£®½¨Á¢ÎïÀíÄ£ÐÍ·¨

£¨2£©£¨9·Ö£©ÔÚ¡°²â¶¨½ðÊôµÄµç×èÂÊ¡±µÄʵÑéÖУ¬ÓÃÂÝÐý²â΢Æ÷²âÁ¿½ðÊôÖ±¾¶Ê±µÄ¿Ì¶ÈλÖÃÈçͼËùʾ£¬ÓÃÃ׳߲â³ö½ðÊôË¿µÄ³¤L,½ðÊôË¿µÄµç×è´óԼΪ5ÏÈÓ÷ü°²·¨²â³ö½ðÊôË¿µÄµç×èR, È»ºó¸ù¾Ýµç×趨ÂɼÆËã³ö¸Ã½ðÊô²ÄÁϵĵç×èÂÊ¡£Îª´ËÈ¡À´Á½½Úеĸɵç³Ø¡¢µç¼üºÍÈô¸Éµ¼Ïß¼°ÏÂÁÐÆ÷²Ä£º

        A£®µçѹ±í0-3V,ÄÚ×è10k

        B£®µçѹ±í0-15V,ÄÚ×è50k

        C£®µçÁ÷±í0-0.6A,ÄÚ×è0.05

        D£®µçÁ÷±í0-3A,ÄÚ×è0.01

        E£®»¬¶¯±ä×èÆ÷£¬0- 10

        F£®»¬¶¯±ä×èÆ÷£¬0-100

¢Ù´ÓͼÖжÁ³ö½ðÊôË¿µÄÖ±¾¶Îª              m m

¢ÚÒªÇó½Ï׼ȷµØ²à³öÆä×èÖµ£¬µçѹ±íӦѡ       £¬µçÁ÷±íӦѡ       £¬»¬¶¯±ä×èÆ÷Ӧѡ       £®£¨ÌîÐòºÅ£©

    ¢ÛʵÑéÖÐËûµÄʵÎï½ÓÏßÈçͼËùʾ£¬ÇëÖ¸³ö¸ÃͬѧʵÎï½ÓÏßÖеÄÁ½´¦Ã÷ÏÔ´íÎó¡£

´íÎó1                                                              

 

´íÎó2                                                                 

 

ÔÚ¡°²â¶¨½ðÊôµÄµç×èÂÊ¡±µÄʵÑéÖУ¬ÐèÒªÓÿ̶ȳ߲â³ö±»²â½ðÊôË¿µÄ³¤¶Èl,ÓÃÂÝÐý²â΢Æ÷Ôò³ö½ðÊôË¿µÄÖ±¾¶dÓõçÁ÷±í²â³öͨ¹ý½ðÊôË¿µÄµçÁ÷I£¬Óõçѹ±í²â³ö½ðÊôË¿Á½¶ËµÄµçѹU¡£
(1) Çëд³ö²â½ðÊôË¿µç×èÂʵıí´ïʽ£º¦Ñ=_______(ÓÃÉÏÊö²âÁ¿ÎïÀíÁ¿µÄ×Öĸ±íʾ£©£»
(2)ÈôʵÑéÖвâÁ¿½ðÊôË¿µÄ³¤¶ÈºÍÖ±¾¶Ê±£¬¿Ì¶È³ßºÍÂÝÐý²â΢Æ÷µÄʾÊý·Ö±ðÈçͼËùʾ£¬Ôò½ðÊôË¿³¤¶ÈµÄ²âÁ¿ÖµÎªl=_______cm,½ðÊôË¿Ö±¾¶µÄ²âÁ¿ÖµÎªd=_______mm,
(3) ÓõçÁ÷±íºÍµçѹ±í²â½ðÊôË¿µÄµç×èRʱ£¬ÓÉÓÚµçѹ±íµçÁ÷±íÄÚ×èµÄÓ°Ï죬ÎÞÂÛʹÓõçÁ÷±íÄÚ½Ó·¨»¹ÊǵçÁ÷±íÍâ½Ó·¨£¬¶¼»á²úÉúϵͳÎó²î¡£Èç¹û°´ÈçͼËùʾµÄµç·½øÐвâÁ¿£¬¿ÉÒÔÏû³ýÓÉÓÚµç±íÄÚ×èÔì³ÉµÄϵͳÎó²î¡£ÀûÓøõç·½øÐÐʵÑéÓÉÖ÷Òª²Ù×÷¹ý³ÌÊÇ£º
µÚÒ»²½£ºÏȽ«RµÄ»¬¶¯´¥Í·µ÷µ½×î×ó¶Ë,µ¥µ¶Ë«ÖÀ¿ª¹ØS1±ÕºÏ£¬±ÕºÏ¿ª¹ØS2,µ÷½Ú±ä×èÆ÷R1ºÍR2£¬Ê¹µçѹ±íºÍµçѹ±íµÄʾÊý¾¡Á¿´óЩ£¨²»³¬¹ýÁ¿³Ì£©£¬¶Á³ö´Ëʱµçѹ±íºÍµçÁ÷±íµÄʾÊýU1¡¢ I1£»
µÚ¶þ²½£º±£³ÖÁ½»¬¶¯±ä×èÆ÷µÄ»¬¶¯´¥Í·Î»Öò»±ä£¬½«µ¥µ¶Ë«ÖÀ¿ª¹ØS1Ïò2±ÕºÏ£¬¶Á³ö´Ëʱµçѹ±íºÍµçÁ÷±íµÄʾÊýU2¡¢I2¡£
Çëд³ö¼ÆËãµç×èµÄ±í´ïʽRx=_______¡££¨Óõçѹ±íºÍµçÁ÷±íʾÊý±íʾ£©
ÔÚ¡°²â¶¨½ðÊôµÄµç×èÂÊ¡±µÄʵÑéÖУ¬ÐèÒªÓÿ̶ȳ߲â³ö±»²â½ðÊôË¿µÄ³¤¶Èl,ÓÃÂÝÐý²â΢Æ÷Ôò³ö½ðÊôË¿µÄÖ±¾¶dÓõçÁ÷±í²â³öͨ¹ý½ðÊôË¿µÄµçÁ÷I£¬Óõçѹ±í²â³ö½ðÊôË¿Á½¶ËµÄµçѹU¡£
(1) Çëд³ö²â½ðÊôË¿µç×èÂʵıí´ïʽ£º¦Ñ=_______(ÓÃÉÏÊö²âÁ¿ÎïÀíÁ¿µÄ×Öĸ±íʾ£©£»
(2)ÈôʵÑéÖвâÁ¿½ðÊôË¿µÄ³¤¶ÈºÍÖ±¾¶Ê±£¬¿Ì¶È³ßºÍÂÝÐý²â΢Æ÷µÄʾÊý·Ö±ðÈçͼËùʾ£¬Ôò½ðÊôË¿³¤¶ÈµÄ²âÁ¿ÖµÎªl=_______cm,½ðÊôË¿Ö±¾¶µÄ²âÁ¿ÖµÎªd=_______mm,
(3) ÓõçÁ÷±íºÍµçѹ±í²â½ðÊôË¿µÄµç×èRʱ£¬ÓÉÓÚµçѹ±íµçÁ÷±íÄÚ×èµÄÓ°Ï죬ÎÞÂÛʹÓõçÁ÷±íÄÚ½Ó·¨»¹ÊǵçÁ÷±íÍâ½Ó·¨£¬¶¼»á²úÉúϵͳÎó²î¡£Èç¹û°´ÈçͼËùʾµÄµç·½øÐвâÁ¿£¬¿ÉÒÔÏû³ýÓÉÓÚµç±íÄÚ×èÔì³ÉµÄϵͳÎó²î¡£ÀûÓøõç·½øÐÐʵÑéÓÉÖ÷Òª²Ù×÷¹ý³ÌÊÇ£º
µÚÒ»²½£ºÏȽ«RµÄ»¬¶¯´¥Í·µ÷µ½×î×ó¶Ë,µ¥µ¶Ë«ÖÀ¿ª¹ØS1±ÕºÏ£¬±ÕºÏ¿ª¹ØS2,µ÷½Ú±ä×èÆ÷R1ºÍR2£¬Ê¹µçѹ±íºÍµçѹ±íµÄʾÊý¾¡Á¿´óЩ£¨²»³¬¹ýÁ¿³Ì£©£¬¶Á³ö´Ëʱµçѹ±íºÍµçÁ÷±íµÄʾÊýU1¡¢ I1£»
µÚ¶þ²½£º±£³ÖÁ½»¬¶¯±ä×èÆ÷µÄ»¬¶¯´¥Í·Î»Öò»±ä£¬½«µ¥µ¶Ë«ÖÀ¿ª¹ØS1Ïò2±ÕºÏ£¬¶Á³ö´Ëʱµçѹ±íºÍµçÁ÷±íµÄʾÊýU2¡¢I2¡£
Çëд³ö¼ÆËãµç×èµÄ±í´ïʽRx=_______¡££¨Óõçѹ±íºÍµçÁ÷±íʾÊý±íʾ£©

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø