Question

: ام : حفظ إعادة الضبط الا Q3. The switch in the has been open a long time before closing at 1-0. Find (t) for t>. 210 AN 640 -521E م 25 |||

Answer 1

o For tcoi inihal condilom akan ame 12v دلا لیا v 6ks velo) inco) in (0) = 12 11 -EMA ak Uc(o)= o volko fort zo: aar Lade tzo n 2V) T lelle qmA (n Šok it convert to corrent soure I= 12 = 6mA

(3) As rooks of cawahon an real and dishoral Sit i. (f) = A e A est Szt + Ac + Is steady stak part Transient part Is = 3 MA (6)= nel -26.67€ - 2405 + Aze + 3 at tro 1.(o)= GMA -6= Are the he Alt Az=-6-3 At Ar= 1 -9 dil(t) de -26.67 -26.67 Aie - 240€ - 240 ALE 1) at f=o dil(o) dt -26.67 A 240 A il but L diro) vi (6) dico) VO = dt df 62,5 dico) dt = o

so -26.67 A, - 240 AL from 0 & ☺ -10.125 Az = 1.1256 i (t) = -26.67€ -2400 -10.125 e +1.1956 e + 3 ma u