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Electronic Devices - PNPN - Discussion

Discussion Forum : PNPN - General Questions (Q.No. 22)
PNPN
22.
Which of the following devices has (have) four layers of semiconductor materials?
Silicon-controlled switch (SCS)
Gate turn-off switch (GTO)
Light-activated silicon-controlled rectifier (LASCR)
All of the above
Answer: Option
Explanation:
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