* lab1a .print tran v(1) v(2) i(r2) i(c1) .options list node post .op .tran 10n 2u v1 1 0 10 ac 1 pulse 0 5 50n 50n 100n 500n 2u r1 1 2 1k r2 2 0 1k c1 2 0 .001u .end