Semiconductor Diodes - General Questions (2)

Directions to Solve

Semiconductor Diodes - General Questions

In general, LEDs operate at voltage levels from ________ V to ________ V.

A.	1.0, 3.0
B.	1.7, 3.3
C.	0.5, 4.0
D.	None of the above

Answer: Option B

Explanation:

No answer description available for this question.

10.

Calculate the temperature coefficient in %/° C of a 10-V nominal Zener diode at 25° C if the nominal voltage is 10.2 V at 100° C.

A.	0.0238
B.	0.0251
C.	0.0267
D.	0.0321

Answer: Option C

Explanation:

No answer description available for this question.

11.

Which of the following elements is most frequently used for doping pure Ge or Si?

A.	Boron
B.	Gallium
C.	Indium
D.	All of the above

Answer: Option D

Explanation:

No answer description available for this question.

12.

Calculate I_D if R_D = 30 omega (6) and V_D = 0.84 V.

A.	28 mA
B.	0.028 mA
C.	2.8 A
D.	280 A

Answer: Option A

Explanation:

No answer description available for this question.

13.

In which of the following is the light intensity measured?

A.	Candela
B.	Efficacy
C.	Flux
D.	Illumination

Answer: Option A

Explanation:

No answer description available for this question.

14.

Calculate static resistance R_D of a diode having I_D = 30 mA and V_D = 0.75 V.

A.	25
B.	40
C.	0.04
D.	0.025

Answer: Option A

Explanation:

No answer description available for this question.

15.

Calculate the power dissipation of a diode having I_D = 40 mA.

A.	28 mW
B.	28 W
C.	280 mW
D.	Undefined

Answer: Option A

Explanation:

No answer description available for this question.

16.

What is the resistor value of an ideal diode in the region of conduction?

A.	0
B.	5 k
C.	Undefined
D.	Infinity

Answer: Option A

Explanation:

No answer description available for this question.

Semiconductor Diodes - General Questions (2)

Semiconductor Diodes - General Questions

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