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Power Electronics

Power Electronics
A diac has ___________ semiconductor layers

Four
None of these
Three
Two

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Power Electronics
ON state voltage drop across SCR lie between the range

 1.5 - 2 V.
  1 - 1.5 V.
 0 - 0.5 V.
 0.5 - 1 V.

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Power Electronics
A diac is simply ___________.

A triac without gate terminal
None of these
A single junction device
A three junction device

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Power Electronics
Which following is a two terminal three layer device?

 BJT.
 MOSFET.
 None of above.
  Power dioed.

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Power Electronics
Typical range of thyristor turn OFF time is

  3 - 100 µs.
 3 - 50 µs.
 3 - 10 µs.
 3 - 500 µs.

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Power Electronics
A triac is a ___________ switch

Unidirectional
Bidirectional
Mechanical
None of these

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