[工学]电路理论 华科电气Chapter 9 Sinusoids and Phasors 2

[工学]电路理论 华科电气Chapter 9 Sinusoids and Phasors 29.4 phasor relationships for circuit elements 1 resistors ohm’s law in the time domain (时域 时域) 时域ir + u －u (t ) = ri(t )& & im[ 2ue jωt ] = r im[ 2 ie jωt ].ir.& & u = ri+ ur－& & i = gu.ohm’s law in the frequency domain (频域 频域) 频域ur.& & i ..