已知某电路元件的电压u(t)=20sin(314t+30°)V,电流i(t)=5cos(314t+30°)A,这个元件是( )。...
已知某电路元件的电压u(t)=20sin(314t+30°)V,电流i(t)=5cos(314t+30°)A,这个元件是( )。...
已知某电路元件的电压u(t)=20sin(314t+30°)V,电流i(t)=5cos(314t+30°)A,这个元件是()。...
已知某电路元件的电压u(t)=20sin(314t+30°)V,电流i(t)=5cos(314t+30°)A,这个元件是()。...
已知某电路元件的电压u(t)=20sin(314t+30°)V,电流i(t)=5cos(314t+30°)A,这个元件是( )。...
已知某电路元件的电压u(t)=20sin(314t+30°)V,电流i(t)=5cos(314t+30°)A,这个元件是( )。...
已知某电路元件的电压u(t)=20sin(314t+30°)V,电流i(t)=5cos(314t+30°)A,这个元件是( )。...
已知某电路元件的电压u(t)=20sin(314t+30°)V,电流i(t)=5cos(314t+30°)A,这个元件是( )。...
已知某电路元件的电压u(t)=20sin(314t+30°)V,电流i(t)=5cos(314t+30°)A,这个元件是( )。...
已知某电路元件的电压u(t)=20sin(314t+30°)V,电流i(t)=5cos(314t+30°)A,这个元件是( )。...
已知某电路元件的电压u(t)=20sin(314t+30°)V,电流i(t)=5cos(314t+30°)A,这个元件是( )。...
已知某电路元件的电压u(t)=20sin(314t+30°)V,电流i(t)=5cos(314t+30°)A,这个元件是( )。...
已知某电路元件的电压u(t)=20sin(314t+30°)V,电流i(t)=5cos(314t+30°)A,这个元件是( )。...
已知某电路元件的电压u(t)=20sin(314t+30°)V,电流i(t)=5cos(314t+30°)A,这个元件是( )。...
已知某电路元件的电压u(t)=20sin(314t+30°)V,电流i(t)=5cos(314t+30°)A,这个元件是( )。...
已知某电路元件的电压u(t)=20sin(314t+30°)V,电流i(t)=5cos(314t+30°)A,这个元件是( )。...