⚙️ FE Exam Prep

The impedance of a capacitor in AC circuits is:

A R
B 1/(jωC), which decreases with increasing frequency
C jωL
D Zero at all frequencies

✓ Correct Answer: Option B

Z_C = 1/(jωC). Capacitor: blocks DC (ω=0 → ∞ impedance), passes high frequency. Inductor: opposite.

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