Practice EXERCISES - 14.9 | 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 charge carriers are present in an n-type semiconductor?

πŸ’‘ Hint: Think about the dopants used.

Question 2

Easy

What type of atom is used for p-type doping?

πŸ’‘ Hint: Consider the valence electrons.

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

What are the majority carriers in an n-type semiconductor?

  • Holes
  • Electrons
  • Neutrons

πŸ’‘ Hint: Consider the type of charge carriers that increase with doping.

Question 2

True or False: In a p-type semiconductor, electrons are the majority carriers.

  • True
  • False

πŸ’‘ Hint: Reflect on the nature of doping in p-type materials.

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Challenge Problems

Push your limits with challenges.

Question 1

Explain how the doping process affects the energy band structure of a semiconductor.

πŸ’‘ Hint: Consider how the addition of dopants modifies band formation.

Question 2

Derive the expression for the conductivity of an n-type semiconductor based on the carrier concentrations.

πŸ’‘ Hint: Identify which carriers dominate to simplify the expression.

Challenge and get performance evaluation