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Power ElectronicsDIAC & TRIAC

A DIAC is commonly used to?

  • AProvide bidirectional triggering for a TRIAC
  • BRectify high-power three-phase DC
  • CAct as a controlled DC motor
  • DStore magnetic energy
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Correct Answer: A. Provide bidirectional triggering for a TRIAC
Explanation: A DIAC has bidirectional breakover behavior and is commonly used to produce symmetrical TRIAC gate triggering.
Reference: Standard power electronics: diac & triac
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