Semiconductors

An atom is made up of

A:

protons.

B:

neutrons.

C:

electrons.

D:

all of the above

Answer: D

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What factor(s) do(es) the barrier potential of a pn junction depend on?

A:

type of semiconductive material

B:

the amount of doping

C:

the temperature

D:

all of the above

Answer: D

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What types of impurity atoms are added to increase the number of conduction-band electrons in intrinsic silicon?

A:

bivalent

B:

octavalent

C:

pentavalent

D:

trivalent

Answer: C

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A reverse-biased diode has the ________ connected to the positive side of the source, and the ________ connected to the negative side of the source.

A:

cathode, anode

B:

cathode, base

C:

base, anode

D:

anode, cathode

Answer: A

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An ideal diode presents a(n) ________ when reversed-biased and a(n) ________ when forward-biased.

A:

open, short

B:

short, open

C:

open, open

D:

short, short

Answer: A

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Questions for: Semiconductors