PNPN - General Questions (2)

Directions to Solve

PNPN - General Questions

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

mcq17_02600

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

Answer: Option D

Explanation:

No answer description available for this question.

10.

Which of the following areas is (are) applications of an SCS?

A.	Counters
B.	Pulse generators
C.	Voltage sensors
D.	All of the above

Answer: Option D

Explanation:

No answer description available for this question.

11.

What is the maximum current (rms) rating for commercially available LASCRs today?

A.	3 A
B.	15 A
C.	20 A
D.	25 A

Answer: Option A

Explanation:

No answer description available for this question.

12.

Which of the following parameters are usually provided by the manufacturer on the specification sheet for SCRs?

A.	Turn-on time (ton )
B.	Turn-off time (toff )
C.	Junction and case temperatures (tj and tc )
D.	All of the above

Answer: Option D

Explanation:

No answer description available for this question.

13.

Which of the following devices has (have) four layers of semiconductor materials?

A.	Silicon-controlled switch (SCS)
B.	Gate turn-off switch (GTO)
C.	Light-activated silicon-controlled rectifier (LASCR)
D.	All of the above

Answer: Option D

Explanation:

No answer description available for this question.

14.

This is an example of a high-isolation ________ gate.

mcq17_03100

A.	OR
B.	NOT
C.	AND
D.	NAND

Answer: Option C

Explanation:

No answer description available for this question.

15.

An advantage of the SCR over the SCS is the reduced turn-off time.

A.	True
B.	False

Answer: Option B

Explanation:

No answer description available for this question.

16.

For an SCS, a ________ pulse at the anode gate turns the device on, while a ________ pulse will turn it off.

A.	negative, positive
B.	positive, negative

Answer: Option A

Explanation:

No answer description available for this question.

PNPN - General Questions (2)

PNPN - General Questions

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