Question

please do not skip steps and show all work

4. THEVENIN AND NORTON CIRCUIT EQUIVALENT (25 POINTS) Consider the circuit shown below. - коа oa OA 122 w -ob 1. Find the Thevenin circuit equivalent to the left of terminals a and b. (20 points) 2. Find the Norton circuit equivalent to the left of terminals a and b. (5 points)

Answer 1

Fending VHS 132 Iz=00 because of 13 U17 n38 Open Césicuit.' M InIA la I, -1/ Ĉ I, - I, - 1,-/ brêng kids I -C O -detli+21,50 0 1 + 1, 2 I, I, +10 - 1+1=0 I 2-1 A] fe:-1-1=-2A using kuby 1-(-2) +0+ VTHY =0 : I-1ct11g + YTH = 0 -> VTH =-34 Ferding tegen ? 23,120.2.445€ 4. a cupen Mesh Ciaccit L lumsytse E= 1,-1, Woeng kub: . Ia-thg = 1 = 0 -dé + 16+21, +0 -ê+2I, -o -I, ++21, -0 - It I2 = 0 w

using kulas I + Iz I, + I3 =0 .2 12-6-I>) + 5z =0 3.1, +Iz -o > ☺ 0+3 = 3 17/-3. I3 = 3 6 252 + Iz = 0 ..-413 -3 → Iz = -0.75A 42 Ise =-0.75A ssing abmis low Ryu = VTH Isc [RTH = RN = 42 Thevénén's Cescuet, Noston's Cencuit, L--3 . Sc -0.75 Proa 1. RIH Moa 432 -31 ob TH -0.75A T Iscl SRN 340 7 L