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Power Electronics
What happen due to high di / dt?
Local hot spot.
None of these.
Breakdown of junction.
Insulation failure.
Local hot spot.
None of these.
Breakdown of junction.
Insulation failure.
Answer
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Related Question
Power Electronics
60 thyrsistors are connected in series and parallel to form a 10 KV and 5.5 KA switch. Each thyristor is rated for 1.2 KV, 1 KA. The no. of parallel path are 6. The efficiency of the switch is
91.6 %.
90.9 %.
76.3 %.
83.3 %.
91.6 %.
90.9 %.
76.3 %.
83.3 %.
Answer
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Power Electronics
Power transistor are type of
IGBTs.
MOSFETs.
BJTs.
All of above.
IGBTs.
MOSFETs.
BJTs.
All of above.
Answer
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Power Electronics
The latching current of GTO should be of order
1 A.
500 mA.
100 mA.
2 A.
1 A.
500 mA.
100 mA.
2 A.
Answer
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Power Electronics
Anode current in an SCR consists of
holes only.
Both electron and holes.
either electron or holes.
electrons only.
holes only.
Both electron and holes.
either electron or holes.
electrons only.
Answer
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Power Electronics
A diac is ___________ switch
A mechanical
A d.c.
None of these
An c.
A mechanical
A d.c.
None of these
An c.
Answer
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