Figure below shows re model for a certain bias circuit where RB = 470KQ, RC = 3k2, B = 100 and ro=50kg. The bias circuit is connected to a 12v power source. b RB Bri BI ro Rc Figure: re model of a bias circuit ) Determine the ac bias which makes up the above figure. The bias is ii) Determine the base to emitter voltage, VBE if the transistor is made up of silicon. VBE = V iii) Determine the base voltage, VB. VB- V iv) Determine the DC current Is for the bias circuit. 1B = PA v) Determine the DC current le for the bias circuit. TE = mA vi) Determine the value of re. re Ω vii) Which of the following equation can be used to calculate Zi for Figure 12 Z equation is viii) Determine the value of Z. ZE ko2 ix) Which of the following equation can be used to calculate Z. for Figure 12 Zo equation is . x) Determine the value of Zo. Zo = ΚΩ xi) Which of the following equation can be used to calculated Av for Figure 12 Av equation is xii) Determine voltage amplification, Av. Ay =