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Which risk increases when a power supply's output capacitance degrades?

A)Reduced electromagnetic interference (EMI)
B)Increased voltage ripple at output
C)Improved transient load response
D)Decreased power supply efficiency

💡 Explanation

Increased voltage ripple occurs because capacitance normally smooths the output. If the capacitance decreases, the smoothing effect lessens; the charge storage mechanism becomes impaired; therefore the voltage ripple increases, rather than EMI decreasing or load response increasing.

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