Practice ALTERNATING CURRENT - 7 | 7. ALTERNATING CURRENT | CBSE 12 Physics Part 1
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the formula for calculating RMS voltage from peak voltage?

πŸ’‘ Hint: Remember that RMS voltage is less than the peak voltage.

Question 2

Easy

Define alternating current.

πŸ’‘ Hint: AC is used in household power supplies.

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 does AC stand for?

πŸ’‘ Hint: Think about the types of current we use in homes.

Question 2

The average power in an AC circuit depends on the frequency, voltage, and current.

  • True
  • False

πŸ’‘ Hint: Reflect on the power equations discussed.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A circuit has R = 15 Ξ©, L = 100mH, and is connected to a 220V AC source at 60Hz. Calculate the circuit's impedance and the current flow.

πŸ’‘ Hint: Ensure to find XL before calculating Z.

Question 2

Explain how power factor correction can impact AC systems in industrial applications.

πŸ’‘ Hint: Think about how reactive power behaves compared to real power.

Challenge and get performance evaluation