Practice AC Voltage Applied to a Series LCR Circuit - 7.6 | 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 to calculate impedance in an LCR circuit?

πŸ’‘ Hint: Recall the relationship between total voltage and individual voltages.

Question 2

Easy

Define resonance in the context of LCR circuits.

πŸ’‘ Hint: Consider when the inductor and capacitor reactances balance.

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 leads to resonance in a series LCR circuit?

  • A higher resistance
  • XL equals XC
  • Higher frequency

πŸ’‘ Hint: Think about when they're in sync.

Question 2

True or False: In a purely inductive circuit, the average power consumed is zero.

  • True
  • False

πŸ’‘ Hint: Reflect on the energy storage in inductors.

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Challenge Problems

Push your limits with challenges.

Question 1

Design a series LCR circuit that operates at resonance for a given frequency. Calculate R if L = 30mH and C = 0.5Β΅F.

πŸ’‘ Hint: Focus on using the formulas for smoothing and reactive components.

Question 2

A transformer has a primary voltage of 120V and a turns ratio of 1:10. What is the secondary voltage?

πŸ’‘ Hint: Here's a ratio involving power!

Challenge and get performance evaluation