XXXXXXXXXX%) A shunt regulator uses a zener diode ↓ th) whose spec is by 8V at Iz =5mA, r, -10 Ω and la = 05mA. The supply voltage r is normally 12V but can vary by ±2V . (a) Find V, with no load and...

115) (14%) A shunt regulator uses a zener diode ↓ th) whose spec is by 8V at Iz =5mA, r, -10 Ω and la = 05mA. The supply voltage r is normally 12V but can vary by ±2V . (a) Find V, with no load and r at its nominal value. (2%) (b) line reguration (Δ /Δ r) (2%) (c) load regulation (AWM) for load draw a current 1-2mA. (2%) (d) The changeone when RL-2kr2. (296) wh (e) The change of K, when Rc-20.5Ω. (296) (f) what is the 8-V minimal value of R for which the diode still opedrates in zener the breakdown region ? (4%) (14%)Please plot the input current lr as a function of Fr for the circuits shown in Fig.6(a) (7%) and Fig.6(b) (7%). Assume diode in idet ta) V" (12 ±2V) R. 190 Ω Fig.5 6,