ÌâÄ¿ÄÚÈÝ

¡¾ÌâÄ¿¡¿ÔÚ´Ö²ÚˮƽÃæÉϹ̶¨Ò»µãµçºÉ£¬µç³¡ÖÐÈÎÒ»µãµÄµçÊƦÕÓë¸Ãµãµ½µãµçºÉµÄ¾àÀërµÄ¹ØϵÈçͼËùʾ¡£¸ÃˮƽÃæÉÏa¡¢b¡¢cÈý¸öµãµÄµçÊƦÕÓë¾àÀërµÄ¹ØϵÒÑÔÚͼÖбê³ö£¬ÐéÏßΪ¹ýbµãµÄÇÐÏß¡£ÏÖ½«Ò»ÖÊÁ¿Îª0.03kg¡¢µçÁ¿Îª0.1CµÄ´øÕýµçÎï¿é´ÓaµãÓɾ²Ö¹ÊÍ·Å£¬ÒÀ´Î¾­¹ýb¡¢cÁ½µã¡£µç³¡Á¦Ëù×öµÄ¹¦·Ö±ðΪWab¡¢Wbc£¬ÇÒ¹ýbµãʱÎï¿éµÄËÙ¶È×î´ó¡£ÒÑÖªÖØÁ¦¼ÓËÙ¶Èg=10m/s2£¬¾²µçÁ¦³£Á¿k=9.0¡Á109Nm2/C2£¬ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ£¨¡¡ £©

A.bµãµÄ³¡Ç¿´óСΪ1.5V/m

B.Îï¿éÓë×ÀÃæ¼äµÄ¶¯Ä¦²ÁÒòÊý0.3

C.Wab=2Wbc

D.¹Ì¶¨µãµçºÉµÄµçºÉÁ¿Îª¡Á10-9C

¡¾´ð°¸¡¿AD

¡¾½âÎö¡¿

A£®Í¼ÏóµÄбÂʱíʾ³¡Ç¿£¬ÓÉͼ¿ÉÖªbµãµÄ³¡Ç¿´óСΪ

¹ÊAÕýÈ·£»

B£®ÓÉÌâÖª£¬Îï¿é¹ýbµãʱËÙ¶È×î´ó£¬´ËʱÊÜÁ¦Æ½ºâ£¬¼´Îª

½âµÃ

¹ÊB´íÎó£»

C£®ÓÉͼ¿ÉÒԵõ½aµãµÄµçÊÆΪ6V£¬bµãµÄµçÊÆΪ3V£¬cµãµÄµçÊÆΪ2V¡£ËùÒÔ

Uab=3V£¬Ubc=1V

ÓÖÒòΪWab=qUab£¬Wbc=qUbc£¬ËùÒÔ

Wab=3Wbc

¹ÊC´íÎó£»

D£®Éè¹Ì¶¨µãµçºÉ´øµçÁ¿ÎªQ£¬ÒÑÖªbµãµÄ³¡Ç¿´óСΪ1.5V/m£¬bµã¾à¹Ì¶¨µãµçºÉ¾àÀër=2m£¬¸ù¾ÝµãµçºÉ³¡Ç¿¹«Ê½ÓÐ

¹ÊDÕýÈ·¡£

¹ÊÑ¡AD¡£

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

¡¾ÌâÄ¿¡¿Ä³Í¬Ñ§ÀûÓÃͼ£¨a£© Ëùʾµç·²âÁ¿Á¿³ÌΪ3 VµÄµçѹ±í¢ÙµÄÄÚ×裨ÄÚ×èΪÊýǧŷķ£©£¬¿É¹©Ñ¡ÔñµÄÆ÷²ÄÓУºµç×èÏäR £¨×î´ó×èÖµ9999.9 ¦¸£©£¬»¬¶¯±ä×èÆ÷R£¨×î´ó×èÖµ50 ¦¸£©£¬»¬¶¯±ä×èÆ÷R2 £¨×î´ó×èÖµ5 k¦¸£©£¬Ö±Á÷µçÔ´E£¨µç¶¯ÊÆ4 V£¬ÄÚ×èºÜС£©¡£¿ª¹Ø1¸ö£¬µ¼ÏßÈô¸É¡£

ʵÑé²½ÖèÈçÏ£º

¢Ù°´µç·ԭÀíͼ£¨a£©Á¬½ÓÏß·£»

¢Ú½«µç×èÏä×èÖµµ÷½ÚΪ0£¬½«»¬¶¯±ä×èÆ÷µÄ»¬Æ¬ÒƵ½Óëͼ£¨a£©ÖÐ×î×ó¶ËËù¶ÔÓ¦µÄλÖ㬱պϿª¹ØS£»

¢Ûµ÷½Ú»¬¶¯±ä×èÆ÷£¬Ê¹µçѹ±íÂúÆ«£»

¢Ü±£³Ö»¬¶¯±ä×èÆ÷»¬Æ¬µÄλÖò»±ä£¬µ÷½Úµç×èÏä×èÖµ£¬Ê¹µçѹ±íµÄʾÊýΪ2.00 V£¬¼Çϵç×èÏäµÄ×èÖµ¡£

»Ø´ðÏÂÁÐÎÊÌ⣺

(1)ʵÑéÖÐӦѡÔñ»¬¶¯±ä×èÆ÷________£¨Ìî¡°R1¡±»ò¡°R2¡±£©£»

(2)¸ù¾Ýͼ£¨a£©Ëùʾµç·½«Í¼£¨b£©ÖÐʵÎïͼÁ¬Ïߣ»

£¨____£©

(3)ʵÑé²½Öè¢ÜÖмǼµÄµç×èÏä×èֵΪ1500.0¦¸£¬ÈôÈÏΪµ÷½Úµç×èÏäʱ»¬¶¯±ä×èÆ÷ÉϵķÖѹ²»±ä£¬¼ÆËã¿ÉµÃµçѹ±íµÄÄÚ×èΪ______¦¸£¨½á¹û±£Áôµ½¸ö룩£»

(4)Èç¹û´Ëµçѹ±íÊÇÓÉÒ»¸ö±íÍ·ºÍµç×è´®Áª¹¹³ÉµÄ£¬¿ÉÍƶϸñíÍ·µÄÂú¿Ì¶ÈµçÁ÷Ϊ_____£¨ÌîÕýÈ·´ð°¸±êºÅ£©¡£

A.100 ¦ÌA B. 250 ¦ÌA C.500 ¦ÌA D.1mA

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

¾«Ó¢¼Ò½ÌÍø