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← ScienceWhich mechanism reduces voltage ripple when rectifying AC?
A)Capacitive smoothing effect✓
B)Transformer impedance balancing
C)Diode leakage suppression
D)Harmonic frequency cancellation
💡 Explanation
Connecting a capacitor smooths rectified DC voltage because capacitive smoothing absorbs voltage peaks and supplies current during troughs, reducing ripple. Therefore, capacitive smoothing reduces ripple rather than alternative filtering occurring due to harmonics.
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