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Power Electronics

Power Electronics
The device that does not have the gate terminal is ___________.

FET
SCR
Triac
Diac

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Power Electronics
Switching frequency of SITH is

  100 KHz.
 60 KHz.
 10 KHz.
 5 KHz.

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Power Electronics
What is used to protect the SCR from over current ?

 Snubber circuit.
 Voltage clamping device.
  CB and fuse.
 Heat sink.

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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

  37.14.
 3.714.
 60.
 65.

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Power Electronics
If the anode current is 800 A, then the amount of current required to turn off the GTO is about

  200 A.
 400 A.
 20 A.
 600 A.

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Power Electronics
A triac has ___________ semiconductor layers.

Three
Two
Four
Five

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