Question

3. For the ladder network below, a) Determine equivalent resistance, Reg b) Calculate the current, c) Finds RI Ro R; w 412 Ry 422 4Ω 2V R, 320 R4 2Ω R$20 RS Rg w 112 = 10

Answer 1

1 AMMA 144M py Λό R 20 AMM in js ļ Is 1 ) have To find peq. (RT), current will to find I & Is analysis mesh find a then find RT 000 Orre can Vs U N Ros Hl 2 un un Uh www MML 22 (۱) 21 2.1 (* ان ) I2 2v w wwwy In مر loop-li loop. 0 100p. 'I curent în the are all 11, 12 loops - ) liet 8 13 rospectively one in One by ۹۱ زیرا Mesh use analysis مس) all closed loops .

Mesh Analysis in loop - I 2 0 + UT, + 2 1 1,-12) - 2. + 62, - 2 12 61, - I2 = Mesh Analysis in loop. I 412 + 2In-I) + 1() +2( 12-11] =0 9 Iz . 21 QI3 = -21, + 9 12 -213 o - Mesh analysis in loop- I 413 +213 +1 (13) + (13- 12) = 913 2 Iza 3 eq. 0 & (3 can find How by using I, , I2, I3 peel 13 in eq. QI2 9 -- 2 I, + 9 I2 PC 21 2 -181, +8112 - 4I2 =

181 + 772 7 put this I 7712 in eg. 18 2 (7) - 21, 4 2 312 2 6. ㄱ712 - 612 가 전 기원 6 A 「 헌피 LL 1) C () 18 18 77 A 'T 213 2 5 حرام (주) 다. A 13 10 213

Now we con determine all required parometer can observe that current I ? I, Ia 77 213 А I- 0.3615 is o equivalent resistance (Ra) Source voltage AL RT current through source volt. 2 Rr 77213 426 RT a an 77 Ry S.5322 Current Is IF we observe in loop- 3 then Is = I3

Is ? 2 A 213 IS = 0. 018774 use kul se In Mesh analysis we of kul, the sum to kuz According all voltages always Zero is closed loop in a