Practice Classification Of Materials By Conductivity (1.2) - Introduction to Semiconductor Physics

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10 questions

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6 sample questions

Question 1.
Name one example of a conductor.
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Think of materials used in electrical wiring.
Question 2.
What is a characteristic of insulators?
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Consider materials that prevent electricity from passing.
3Question 3.
What are the primary characteristics of conductors?
- Very low conductivity
- Very high conductivity
- Moderate conductivity
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Consider metals commonly used in cables.
4Question 4.
True or False: Insulators have energy band gaps less than 5 eV.
- True
- False
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Think about the properties of insulators.
Question 5.
Explain how semiconductor doping alters its conductivity and provide examples of dopants for n-type and p-type semiconductors.
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Think about how additional electrons or holes changes conductivity.
Question 6.
Calculate the percentage increase in conductivity when the temperature of a semiconductor is raised from -20°C to 100°C.
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Research how temperature affects semiconductor properties to aid in your calculation.

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