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Which risk increases when bypass capacitor ESR increases?

A)Increased regulator output voltage ripple
B)Decreased magnetic core saturation
C)Increased dielectric breakdown strength
D)Decreased operational amplifier input bias

💡 Explanation

Increased ESR in a bypass capacitor causes more AC voltage drop due to Ohm's law; the ripple increases because the **impedance** rises causing higher voltage fluctuations. Therefore, voltage ripple is enhanced rather than decreased, with minimal effects on magnetic saturation.

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