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Which risk increases when electrostatic capacitance filters harmonics?

A)Resonance with upstream grid inductance
B)Spontaneous dielectric breakdown decreases
C)Overall filter impedance lowers then
D)Harmonic amplification becomes nonexistent here

💡 Explanation

Resonance risk rises because harmonic filters use capacitance; inductive reactance then combines to form resonance at particular frequency which amplifies harmonics, therefore resonance creates instability, rather than harmonic damping at needed filtering rates.

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