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Circuit Theorems in AC Analysis - Engineering

Q1:

Referring to the given circuit, find ZTH if VS is 180° V.

A 9.82 –51.3° k

B 9.38–51.3° k

C 180 –38.3° k

D 19.2 –38.3° k

ANS:B - 9.38–51.3° k

This type question is when we solve then answer got different while we apply the correct method.

Please anyone explain in detail?