Discussion Forum : Circuit Theorems In Ac Analysis
Question - Referring to the given circuit, what is ZTH if R1 is changed to 220 Ω?
Options:
A .  225 ∠12.1° Ω
B .  225 ∠77.9° Ω
C .  46 ∠77.9° Ω
D .  46 ∠12.1° Ω
Answer: Option C

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