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Power Electronics

Power Electronics
A diac has ___________ terminals.

Two
None of these
Four
Three

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Power Electronics
IGBT combines the advantages of

 SITs and MOSFETs.
  BJTs and MOSFETs.
 None of these.
 BJTs and SITs.

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Power Electronics
A power MOSFET has three terminals called

  Drain, source and gate.
 Drain, source and base.
 Collector, emitter and gate.
 Collector, emitter and base.

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Power Electronics
A thyristor will be triggered when Vg = 1.5 volt and Ig = 100 mA in the given figure. Calculate the value of R in ohm is

 3.714.
  37.14.
 60.
 65.

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Power Electronics
The latching current of GTO should be of order

  500 mA.
 100 mA.
 1 A.
 2 A.

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Power Electronics
An SCR has half cycle surge current rating of 3000 A for 50 Hz supply. One cycle surge current will be

 2121.32 A.
 1500 A.
 6000 A.
 4242.64 A.

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