Answer Happy

The circuit given in Fig. QB3 has the following properties: Vin
= 20V, Rs = 1 kΩ, R1 = 200 Ω, R2 = 800 Ω, R3 = 2 KΩ, RL = 100 Ω, Vz
= 5.6V, βdc = 100. i. Explain the function of the circuit
Question B.3 The circuit given in Fig. QB3 has the following properties: Vin = 200, Rs = 1 k1, R1 = 2002, R2 = 800 12, R3 = 2 KO, RL = 100 , Vz = 5.6V, Bdc = 100. i. ii. iii. Explain the function of this circuit? [2 marks] Calculate Vf, Vout, Ic2, 1b2, and Ici. [10 Marks] If the max current allowed by the zener diode is 25mA, is it safe? [3 Marks) Estimate the power consumption by Q2 and Zener diode. [5 Marks) The max power allowed for Q2 is 2W, calculate the minimum RL needed in the circuit. [5 Marks] iv. V. Ic2.02 + RS IL R3 I(R3) Ib2 Ic1 R1 + I(Rs) RL Vout Vin at + Vf R2 Vz Fig. QB3