Semiconductors

A diode conducts when it is forward-biased, and the anode is connected to the ________ through a limiting resistor.

A:

positive supply

B:

negative supply

C:

cathode

D:

anode

Answer: A

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Under normal conditions a diode conducts current when it is

A:

reverse-biased.

B:

forward-biased.

C:

avalanched.

D:

saturated.

Answer: B

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Single-element semiconductors are characterized by atoms with ____ valence electrons.

A:

3

B:

4

C:

5

D:

2

Answer: B

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A silicon diode measures a low value of resistance with the meter leads in both positions. The trouble, if any, is

A:

the diode is open.

B:

the diode is shorted to ground.

C:

the diode is internally shorted.

D:

the diode is working correctly.

Answer: C

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Questions for: Semiconductors