Switching power supplies:
A) are efficient at converting ac to dc
B) contain pulse-width modulators
C) can change unregulated dc to high frequency pulses
D) all of the above

Question

Quizplus · Accepted Answer

Switching power supplies are known for their efficiency in converting AC to DC, contain pulse-width modulators as part of their design to control the output voltage, and can indeed change unregulated DC to high-frequency pulses to regulate the output.

Switching Power Supplies