Practice On the basis of conductivity - 14.2.1 | 14. SEMICONDUCTOR ELECTRONICS: MATERIALS, DEVICES AND SIMPLE CIRCUITS | CBSE 12 Physics Part 2
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the resistivity range for metals?

💡 Hint: Recall the classification of materials.

Question 2

Easy

Name one example of an elemental semiconductor.

💡 Hint: Think of common materials used in electronics.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

Which of the following materials has the highest resistivity?

  • Metals
  • Semiconductors
  • Insulators

💡 Hint: Consider the definitions of conductivity and resistivity.

Question 2

True or False: All semiconductors conduct electricity without any external conditions.

  • True
  • False

💡 Hint: Reflect on how semiconductors are used in devices.

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Challenge Problems

Push your limits with challenges.

Question 1

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.

Question 2

Describe a real-world application where semiconductors are used and how doping enhances their performance.

💡 Hint: Think about everyday electronic devices.

Challenge and get performance evaluation