Answer:
at frequencies below resonance
Explanation:
Below resonance, circuit impedance decreases as XC decreases with increasing frequency. Above resonance, circuit impedance increases as XL increases with frequency. Hence increasing circuit impedance will only accompany increasing XC below resonance (as frequency decreases).
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Below resonance, |XL| < |XC|, so XC dominates series impedance. Above resonance, the reverse is true.
