1. In each of the ideal-diode circuits shown below, yzis a 1kHz, 10-V peak sine wave. Assume that there is voltage drop of 0.7V for each diode. Sketch the waveform resulting at vo. What are its positive and negative peak values? (10 pts) D₁ 577 D₁ D2 (a) ΙΚΩ www 1 ΚΩ ww 1 ΚΩ D₁ Dz 57 D2 (b) Di ww 1 ΚΩ ww 1 k2 w 21k2 D立 Di D2 ㄊㄚ Di Dy 57 1k2 D2 (f) 1k2 ww www ww ΙΚΩ (h) (i) ΙΚΩ