For the circuit given, if A = 250 mF obtain an expression for vc) valid for all t> 0. 6 V H 20 1=0 X. + R www AVC 0.12. The expression for vet) valid for all t> 0 is Ae $1t+ A2e $2 V, where A = 1, A=1 *10-7. and $2 = 45 x10-5, s=[ S