14.2.1 - On the basis of conductivity
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Practice Questions
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What is the resistivity range for metals?
💡 Hint: Recall the classification of materials.
Name one example of an elemental semiconductor.
💡 Hint: Think of common materials used in electronics.
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Interactive Quizzes
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Which of the following materials has the highest resistivity?
💡 Hint: Consider the definitions of conductivity and resistivity.
True or False: All semiconductors conduct electricity without any external conditions.
💡 Hint: Reflect on how semiconductors are used in devices.
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Challenge Problems
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If a material has a resistivity of 1012 Ω·m, classify it as a metal, semiconductor, or insulator and explain why.
💡 Hint: Use the resistivity range classifications discussed earlier.
Describe a real-world application where semiconductors are used and how doping enhances their performance.
💡 Hint: Think about everyday electronic devices.
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