For the BJT amplifier shown in figure 1, answer the following questions: (a) Determine the DC biasing point. (b) Determine the overall voltage gain in AC mode. (b) Determine the AC collector voltage. (e) Draw the total collector voltage waveform V, and the total output voltage waveform Vo (d) What is Av in Figure 1 with load resistance R₁ removed? Voc +10 V 10 mV Figure 1. R₁ 47 ΚΩ 10μF R₁ 600 Ω R₂ · 10 ΚΩ www BDC=150 Bac=175 Rc 4.7 ΚΩ C₁ ж REI 470 10μF RL • 47 ΚΩ RE2 470 100 μF