What component in an inverter welding power source allows for high-frequency operation?

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Multiple choice — select the best answer

AResistors
BCapacitors
CInductors
DTransistors

✓ Correct answer: D. Transistors Transistors (specifically IGBTs or MOSFETs) in inverter welding power sources rapidly switch the current on and off at high frequencies, allowing for more efficient and compact designs compared to traditional transformer-based power sources.

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What component in an inverter welding power source allows for high-frequency operation?

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