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Power Electronics

Power Electronics
Snubber circuit is used with SCR

  in parallel.
 in series.
 either series or parallel.
 anti parallel.

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Power Electronics
A diac is turned on by ___________.

A breakover voltage
Gate voltage
None of these
Gate current

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Power Electronics
The typical value of SCR for modern alternator is

 1.2.
 0.5.
 1.5.
 1.0.

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Power Electronics
How can we protect SCR from thermal conditions ?

 Using CB and fuse.
 Use of snubber circuit.
  Using heat sink.
 Using equalizing circuit.

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Power Electronics
Power transistor are type of

 MOSFETs.
 BJTs.
  All of above.
 IGBTs.

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Power Electronics
Switching frequency of SITH is

  100 KHz.
 10 KHz.
 60 KHz.
 5 KHz.

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