Practice Pure Capacitor in AC - 3.3 | Chapter 4: Electromagnetic Induction and Alternating | ICSE Class 12 Physics
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3.3 - Pure Capacitor in AC

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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Explain the phase relationship between current and voltage in a pure capacitor.

πŸ’‘ Hint: Think about how the charging process of a capacitor works.

Question 2

Easy

What happens to the average power consumed by a pure capacitor?

πŸ’‘ Hint: Consider what happens during a full AC cycle.

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 phase relationship between current and voltage in a pure capacitor?

  • Current leads voltage by 90 degrees
  • Current lags voltage by 90 degrees
  • Current and voltage are in phase

πŸ’‘ Hint: Recall the definition of current and voltage phase relationships.

Question 2

True or False: The average power consumed by a pure capacitor is greater than zero.

  • True
  • False

πŸ’‘ Hint: Think about the role of a capacitor in AC circuits.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Calculate the peak current through a 15Β΅F capacitor connected to an AC voltage of 120V at a frequency of 60Hz.

πŸ’‘ Hint: Start by calculating the angular frequency and then apply it in the current formula.

Question 2

Explain how a pure capacitor affects the power factor in an AC circuit when used in conjunction with resistive and inductive loads.

πŸ’‘ Hint: Mix knowledge of capacitors with power factor concepts.

Challenge and get performance evaluation