A .3.14
B .10
C .-10
D .0
[单选题]负载流过交流电流i=10sin314tA,电压u=10sin(314t+π/2)V,则负载是()。A .纯阻性的B .纯容性的C .纯感性的D .阻容性的
[单选题]负载流过交流电流i=10sin314tA.,电压u=10sin(314t+)V,则负载是()。A .纯阻性的;B .纯容性的;C .纯感性的;D . D.阻容性的;
[单选题]负载上的交流电为i=10sin314tA,u=10sin(314t+π/3)V,则负载是()。A . 纯电阻性的B . 纯电感性的C . 感性的D . 纯电容性的E . 容性的
[单选题]电流i=10Sin(314t-30)A的相量为()。A .i=10ej30AB .I=10e-j30AC .I=14.1e-j30AD .I=10e-j30A
[单选题]某三相电路中,三个线电流分别为:iA=18sin(314t+23°)(A);iB=18sin(314t-97°)(A);iC=18sin(314t+1
[单选题]某三相电路中,三个线电流分别为iA=18sin(314t+23°)A;iB=18sin(314t-97°)A;iC=18sin(314t+143°)A
[单选题]某三相电路中,三个线电流分别为:iA=18sin(314t+23°)(A);iB=18sin(314t-97°)(A);iC=18sin(314t+1
[单选题]某三相电路中,三个线电流分别为iA=18sin(314t+23°)A;iB=18sin(314t-97°)A;iC=18sin(314t+143°)A
[单选题]某三相电路中,三个线电流分别为:iA=18sin(314t+23°)(A);iB=18sin(314t-97°)(A);iC=18sin(314t+1
[单选题]某三相电路中,三个线电流分别为iA=18sin(314t+23°)A;iB=18sin(314t-97°)A;iC=18sin(314t+143°)A