Exercise: Semiconductor Principles

Questions for: Semiconductor Principles

If conductance increases as temperature increases, this is known as a:
A:
positive coefficient
B:
negative current flow
C:
negative coefficient
D:
positive resistance
Answer: C

A negative temperature coefficient (NTC) occurs when the thermal conductivity of a material rises with increasing temperature, typically in a defined temperature range.

Note: The reciprocal of electrical Resistance is called Conductance.

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What is the voltage across R1 if the P-N junction is made of silicon?

A:
12 V
B:
11.7 V
C:
11.3 V
D:
0 V
Answer: C
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Minority carriers are many times activated by:
A:
heat
B:
pressure
C:
dopants
D:
forward bias
Answer: A
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What is a type of doping material?
A:
extrinsic semiconductor material
B:
pentavalent material
C:
n-type semiconductor
D:
majority carriers
Answer: B
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How many valence electrons are in every semiconductor material?
A:
1
B:
2
C:
3
D:
4
Answer: D
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