Semiconductor Diodes - General Questions

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Semiconductor Diodes - General Questions

1.

In what state is a silicon diode if the voltage drop across it is about 0.7 V?

A.	No bias
B.	Forward bias
C.	Reverse bias
D.	Zener region

Answer: Option B

Explanation:

No answer description available for this question.

2.

Which capacitance dominates in the forward-bias region?

A.	Diffusion
B.	Transition
C.	Depletion
D.	None of the above

Answer: Option A

Explanation:

No answer description available for this question.

3.

The ideal diode is a(n) ________ circuit in the region of nonconduction.

A.	open
B.	short

Answer: Option A

Explanation:

No answer description available for this question.

4.

Which of the following ratings is true?

A.	Si diodes have higher PIV and narrower temperature ranges than Ge diodes.
B.	Si diodes have higher PIV and wider temperature ranges than Ge diodes.
C.	Si diodes have lower PIV and narrower temperature ranges than Ge diodes.
D.	Si diodes have lower PIV and wider temperature ranges than Ge diodes.

Answer: Option B

Explanation:

No answer description available for this question.

5.

What is the value of the transition capacitance for a silicon diode when V_D = 0? (Choose the best answer.)

A.	1 pF
B.	3 pF
C.	5 pF
D.	10 pF

Answer: Option B

Explanation:

No answer description available for this question.

6.

The ________ diode model is employed most frequently in the analysis of electronic systems.

A.	ideal device
B.	simplified
C.	piecewise-linear

Answer: Option B

Explanation:

No answer description available for this question.

7.

What is the maximum power rating for LEDs?

A.	150 mW
B.	500 mW
C.	1 W
D.	1 W

Answer: Option A

Explanation:

No answer description available for this question.

8.

Determine the nominal voltage for the Zener diode at a temperature of 120° C if the nominal voltage is 5.1 volts at 25° C and the temperature coefficient is 0.05%/° C.

A.	4.6 V
B.	4.86 V
C.	5.1 V
D.	5.34 V

Answer: Option D

Explanation:

No answer description available for this question.

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