Question

4. Consider the circuit below with v =24V i 822 +6 91 (a) Determine the value of R for maximum power transfer. (b) Determine the maximum power transferred to R

Answer 1

o finding Rth o →ia . R2 It M to Remove R and T8 - Apply Vtest Ls Vs - shooted - 4ia - Sia's0 : Satisfy only when ?a=0 Due to ia o circuit becomes R2 Tt Vt 3 R2 . TE VE Irtha R2 [': Ra value is not given Finding Vth El : and find thacross R 4. Remove R Ia 8 . meo KUL zy o dia Ich -24.78 Ia t 4 la co .. 12. Ia = 24. .: Ia=2A Vth = . A la = 4(2) =8V

I final Circuit REG=R2... mw we know Maximum from thos power transfer theoram when R=Rth = R2 Masumum power transformed: So AB RE RR Maximum paows foranstooned E: Rz is mot gren] 8² 4R2 : .64 = 16 / 4 R2 R2 - Veh? Pmax = Arth [R2 not 167 given]
if you have any doubt please post it