【单选题】电压为110V的电源给负载供电,导线上总电阻为1Ω,通过的电流为10A,则线路的末端电压是:( )。
【判断题】数控车床的特点是Z轴进给1mm,零件的直径减小2mm。
【单选题】已知电源电源内阻为 4欧姆,线路和负载总电阻为10欧姆,电路电流为5安,则电源端电压为() 。
【简答题】Persuasive speeches on questions of ____ judge whether something is good or bad, right or wrong, fair or unfair.
【简答题】A.unconvincing. B.persuasive. C.disgusting. D.praiseworthy.
【简答题】已知一条单相配电线路,电源端电压为220V,负载电流为100A,线路总电阻为0.2Ω,则负载端电压为( )V。
【单选题】Lincoln was invited to speak at the National Soldiers Cemetery because he was __________
C.
President of the country