Discussion Forum : Rc Circuits
Question - A capacitor with 150 Ω of capacitive reactance is across an ac source. The impedance, expressed in polar form, is
Options:
A .  Z = 150
B .  Z = 150 ∠90°O
C .  Z = 150 ∠-90°O
D .  Z = 150 ∠180°O
Answer: Option C

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