• 2022-06-09
    已知正弦交流电压u=10sin(314t+π/3)V、正弦交流电流i=5sin(314t-π/6)A。求:已知正弦交流电压u=10√2sin(314t+π/3)V、正弦交流电流i=5√2sin(314t-π/6)A。求:①交流电流有效值,初相和频率;②画出它的波