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MCQ Practice Question
Power ElectronicsDevice Selection

For high-voltage, high-power switching at moderate switching frequency, which device is commonly a suitable fully controllable choice?

  • AIGBT
  • BDIAC
  • CUncontrolled power diode
  • DConventional SCR with no turn-off circuit in every case
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Correct Answer: A. IGBT
Explanation: IGBTs are widely used where substantial voltage/current capability and gate-controlled turn-on/turn-off are required at moderate switching frequencies.
Reference: Standard power electronics: device selection
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