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Power ElectronicsPower MOSFET

Compared with an SCR, a power MOSFET can normally be turned OFF by?

  • ARemoving or appropriately changing its gate-to-source drive
  • BReducing load current below holding current only
  • CApplying a DIAC pulse only
  • DWaiting for AC current zero in every application
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Correct Answer: A. Removing or appropriately changing its gate-to-source drive
Explanation: A MOSFET is a fully controlled switch: its channel can be turned on and off by controlling gate voltage.
Reference: Standard power electronics: power mosfet
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