Previous Year Very Short Questions of PE (DIPLOMA electronics and communication engineering 4th)

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Power electronics

Previous year question paper with solutions for Power electronics

Our website provides solved previous year question paper for Power electronics . Doing preparation from the previous year question paper helps you to get good marks in exams. From our PE question paper bank, students can download solved previous year question paper. The solutions to these previous year question paper are very easy to understand.

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  1. A DIAC is used to __________ TRIAC.
  2. In the continuous conduction mode, at least ________ thyristors conduct at all times.
  3. A main advantage of a bridge inverter is that it does not use any __________.
  4. A chopper converts ___________.
  5. Dc motors provide _________ starting torque.
  6. The speed of the motor increases with the increase in __________.
  7. SMPS stands for __________
  8. The power carrying capability reduces with _________ in distance.
  9. A UJT is a _________ device.
  10. Three types of UPS are __________, __________ and __________ .
  11. Once fired, the current of a UJT increases ____________.
  12. A triac behaves like two____________.
  13. Commutation can be classified as _________and forced commutation.
  14. Chopper drives are widely used in _______applications aal over the world.
  15. Commutation can be classified as _________and forced commutation.
  16. A Diac is used to ____________triac.
  17. F.A device that converts dc power into ac power at desired output voltage and frequency is called _______.
  18. A Triac can conduct in__________dtrections.
  19. Class A chopper operates in _______quadrant only.
  20. A high____________can turn on thyristor.
  21. PWM is known as _____________.
  22. HVDC stands for____________
  23. Diac is used to ___________Triac
  24. SCRs are connected in series to enhance their _______rating.
  25. An SCR can be considered to be prepared by sandwiching ______.
  26. GTO can be turned OFF by a ____ gate signal.
  27. UJT after reaching the valley point goes to Saturation state. (T/F)
  28. An inverter converts _____into _______
  29. A _______is a circuit that converts AC signal into unidirectional signal.
  30. Full wave rectifiers allow power flow in both directions (T/F)
  31. Class A chopper operates in ____quadrant.