若电源不是理想的，则负载电阻越小时，电流越大，输出功率必越大。（   ）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69506' and id < 4502740 and id<>'4502740' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69506' and id > 4502740 and id<>'4502740' order by id asc limit 5