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

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