有一2V电压源,内电阻为0.1欧,当外电路断路时,电路中的电流和端电压分别为( )。
发布时间:2026-04-10
A.0A,2V
B.20A,0V
C.0A,20V
D.0A,0V
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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69505' and id < 4502658 and id<>'4502658' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69505' and id > 4502658 and id<>'4502658' order by id asc limit 5
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