Electronic Devices - PNPN

Exercise :: PNPN - General Questions

31. 

This symbol is an example of a(n)________.

A. SCR
B. SCS
C. GTO
D. DIAC

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

32. 

Which of the following transistors is an SCR composed of?

A. npn, pnp
B. npn, npn
C. pnp, pnp
D. None of the above

Answer: Option A

Explanation:

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33. 

A thyristor is a ________-layer semiconductor material device.

A. 2
B. 3
C. 4
D. 5

Answer: Option C

Explanation:

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34. 

How many layers of semiconductor materials does a silicon-controlled rectifier (SCR) have?

A. 2
B. 3
C. 4
D. 5

Answer: Option C

Explanation:

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