A 100 µF capacitor is connected in series with a 12 V, 50 Hz source. Roughly what is its capacitive reactance?
Correct answer C. 32Ω
Explanation
Capacitive reactance is Xc = 1/(2πfC) = 1/(2π × 50 × 100 × 10⁻⁶) ≈ 31.8 Ω, which rounds to about 32 Ω.
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