Question

emergency

w R; 20 V 200 E + a) For the circuit shown, By using Millman's Theorem: i. Find the power dissipated by Ru. ii. What is the current in RL if R, is an open circuit? R 2000 E3 10 V E: 400 V R 1000 b) Find the equivalent resistance Rab between terminals a and b. w 1 ohm 3 ohm 3 ohm 3 ohm 3 ohm 3 ohm c) Find the value of R for maximum power transfer to R, and then determine the maximum power of R. 20 V Ron w R Ron

Answer 1

Reas Problem Rag=lokR ma it 2ov R = 2oon R , 2002 + I ter lov Coord V P001 R2 figi According to Millman's the sam, -" + ot lo 20 Naz R3 + t- U2 & R2 200 los lok --119.131 t f t of ot ㅗ loo R2 R3 lok 200 t ! + l lok Real 200 Rear 66.225R =

from figure in Power dissipated by Ru PRE (RegXR 119.18? * 200 (66-225+200) PRL 4o.ohh ic When Re is Open Cocuited, The The = oA IR b. Convert delta Connected resistors della into Share Ry= Rei ala bo -

11 el ens in are Connected in Serie Sin in zinten = 22 Sir in § 32 are Connected Serie 3r int32 = un b Rob 2+ 2+2 an3 4X4 4+4 Rab = 41

Problem Calcolation of VH R bor GR 20v Razt Mru R₂860 Ex R2 Ret R2 جا = 20x6 616 = lov Calculation ot RTH ER En Rear = Rzt kellR2 GRS treas 6 + 6x6 =6+3 6+6 Rear Ir j, For maximum Power transter, Roth Rear 2 Pros 102 . Norul "RTH -2.278w 4X9