Question

Q1: Find Vc(t) for 20 using general solution + 10V 2011 0.15F 2

Help me know please , I have an exam its time 20 minutes

Answer 1

Given Commected to Jov source at tuo Switch is and Capacitor ºs opeos, voltage asos Capacitor is Kro) 22 10V. 7 5602 VCO) 20v KOL af N Veco)-20 + Vco)-10 co 5 2 Vco) (sets) = 10+2. KCO)= 120 veco ( 5ta) lo ECO) = 17.1428 v and Connected to 2oy Soudce at t=d switch is 004 is Vccx) and Vo Hage Capacitor is open lov +- . 52 veca) ) KCL at N VO)-10 5 VCCA) + 2 VZ) = 20 + 2 Vcca): 20 7 Vc GC1= 2.8571 v

T = Req c. Time Constant 232 Req 52 Req Req= 542 5+2 olto 2 To P= +0.15 1-5 Sec kle that Vect )= Voca) + ( vecot) - veca) Jetique = 2.859) + ( 12.1428-2-8571) 1517 e tot Klt)= 2-8571 +14.2857 e 15