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Reported Question / Answer
Q.) Which of the following devices has (have) four layers of semiconductor materials?
1)
Silicon-controlled switch (SCS)
2)
Light-activated silicon-controlled rectifier (LASCR)
3)
All of the above
4)
Gate turn-off switch (GTO)
5)
NULL
Answer :
3
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Human Verification : Answer 2 + 3 = ?
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