Diodes and Applications - General Questions (4)

Directions to Solve

Diodes and Applications - General Questions

25.

The diode schematic arrow points to the:

A.	trivalent-doped material
B.	positive axial lead
C.	anode lead
D.	cathode lead

Answer: Option D

Explanation:

No answer description available for this question

26.

The arrow in the schematic symbol of a diode points to

A.	the n-type material, which is called the anode
B.	the n-type material, which is called the cathode
C.	the p-type material, which is called the anode
D.	the p-type material, which is called the cathode

Answer: Option C

Explanation:

No answer description available for this question

27.

Why is heat produced in a diode?

A.	due to current passing through the diode
B.	due to voltage across the diode
C.	due to the power rating of the diode
D.	due to the PN junction of the diode

Answer: Option A

Explanation:

No answer description available for this question.

28.

When a diode is forward biased, the voltage across it

A.	is directly proportional to the current
B.	is inversely proportional to the current
C.	is directly proportional to the source voltage
D.	remains approximately the same

Answer: Option D

Explanation:

No answer description available for this question

29.

What is the current through the zener diode?

mcq11_1011_1

A.	0 mA
B.	7 mA
C.	8.3 mA
D.	13 mA

Answer: Option B

Explanation:

No answer description available for this question

30.

A pn junction allows current flow when

A.	the p-type material is more positive than the n-type material
B.	the n-type material is more positive than the p-type material
C.	both the n-type and p-type materials have the same potential
D.	there is no potential on the n-type or p-type materials

Answer: Option A

Explanation:

No answer description available for this question

31.

Shunting the ac component away from the load is the task of a:

A.	transformer
B.	filter
C.	regulator
D.	rectifier

Answer: Option B

Explanation:

No answer description available for this question

32.

Electrons in the outermost orbit or shell of an atom are called

A.	free electrons
B.	negative ions
C.	valence electrons
D.	conduction band electrons

Answer: Option C

Explanation:

No answer description available for this question

Diodes and Applications - General Questions (4)

Diodes and Applications - General Questions

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