Circuit Theorems in AC Analysis

Q1:
Referring to the given circuit, determine Z_TH as seen by R_L.

A 1444

–48.5°

B 4176

–73.3°

C 956

–48.5°

D 1444

–73.3°

ANS:A - 1444–48.5°

Well as far as I know, Xc2 should also be negative, So,: ( (1.2-2i)^-1+(2^-1)i)^-1+.68 = 1.444<-48.58° K ohms.

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