Practice AC VOLTAGE APPLIED TO AN INDUCTOR - 7.4 | 7. ALTERNATING CURRENT | CBSE 12 Physics Part 1
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skillsβ€”perfect for learners of all ages.

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define inductive reactance.

πŸ’‘ Hint: Think about how inductors react to changes in AC current.

Question 2

Easy

What is the phase difference between current and voltage in an inductor?

πŸ’‘ Hint: Recall the relationship between voltage and current in AC circuits.

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 is the formula for inductive reactance?

  • X_L = R
  • X_L = Ο‰L
  • X_L = 1/(Ο‰C)

πŸ’‘ Hint: Recall the definition of inductive reactance.

Question 2

True or False: The average power dissipated in a pure inductor is zero.

  • True
  • False

πŸ’‘ Hint: Reflect on the nature of how inductors store energy.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

An inductive circuit has a frequency of 60Hz and an inductance of 150mH. Determine the current when a voltage of 120V is applied.

πŸ’‘ Hint: Break down the calculation into reactance first, then current.

Question 2

Explain the significance of a zero power factor in ac circuits with inductors, and how this understanding applies in circuit design.

πŸ’‘ Hint: Think about energy storage versus energy dissipation.

Challenge and get performance evaluation