Electronic Devices - PNPN

Exercise :: PNPN - Filling the Blanks

1. 

The peak and valley currents of the PUT are typically ________ those of a similarly rated UJT.

A. lower than
B. the same as
C. higher than
D. None of the above

Answer: Option A

Explanation:

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

2. 

The ________ the anode gate current, the ________ the required anode-to-cathode voltage to turn the SCS device on.

A. higher, higher
B. lower, lower
C. higher, lower
D. None of the above

Answer: Option C

Explanation:

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3. 

SCRs have been designed to control powers as high as ________, with individual ratings as high as ________ at ________.

A. 1800 MW, 10 A, 2000 V
B. 1800 MW, 2000 A, 10 V
C. 10 MW, 2000 A, 1800 V
D. 2000 MW, 10 A, 1800 V

Answer: Option C

Explanation:

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4. 

The two-layer semiconductor diode has led to ________layer devices.

A. three-
B. four-
C. five-
D. All of the above

Answer: Option D

Explanation:

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5. 

The minimum operating voltage of the UJT is typically ________ that of a similarly rated PUT.

A. lower than
B. the same as
C. higher than
D. None of the above

Answer: Option C

Explanation:

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