Discussion Forum : Rc Circuits
Question - A 47 Ω resistor and a capacitor with 150 Ω of capacitive reactance are in series across an ac source. The impedance, expressed in rectangular form, is
Options:
A .  Z = 47 Ω + j150 Ω
B .  Z = 47 Ω - j150 Ω
C .  Z = 197 Ω
D .  Z = 103 Ω
Answer: Option B

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