Physics · Power Electronics
Why is a Switched-Mode Power Supply (SMPS) circuit operated at a high switching frequency, typically between 20 kHz and 50 kHz?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To completely eliminate electromagnetic interference with other devices.
- 2To achieve a wider AC input voltage range.
- 3To reduce the physical size and weight of transformers and filter components.✓
- 4To obtain low noise ripples in the output voltage.
Correct answer
To reduce the physical size and weight of transformers and filter components.
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