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Question
A 2 kΩ resistor is in series with a 0.015 µF capacitor across a 15 kHz ac source. What is the magnitude of the total impedance and the phase angle?
Options:
A .  73.4 Ω and ∠ = -19.5°
B .  707 Ω and ∠ = -19.5°
C .  2121 Ω and ∠ = -19.5°
D .  734 Ω and ∠ = -38.9°
Answer: Option C

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