27. Assuming an operating frequency of 1 kHz, transform the following phasor expressions into a single cosine function in the time domain: (a) 9/65 V, 2/31 4/25 (b) A; (c) 22/14 -8/33 V. tonaular CHA ISOIDAL STEADY-STATE ANALYSIS 10 10 N 25 2 I FIGURE 10.53 35. The circuit of Fig. 10.53 is shown represented in the phasor (frequency) do- main. If I10 element does V appear, and what is its value? (b) Determine the value of V 4/35 A, V = 10/35, and I=2/35 A, (a) across what type of 43. Calculate the equivalent impedance seen at the open terminals of the network shown in Fig. 10.56 if fis equal to (a) 1 Hz; (b) 1 kHz; (c) 1 MHz; (d) 1 GHz; (e) 1 THz. 10 mH 60 0 60 M00 30 F bo IFIGURE 10.56