Practice Impedance (Z) - 4.1 | 4. Electromagnetic Induction and Alternating | ICSE Class 12 Physics
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define impedance in the context of AC circuits.

💡 Hint: Think about resistance and reactance.

Question 2

Easy

What is the formula for inductive reactance?

💡 Hint: Recall the relationship between frequency and inductance.

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 impedance in an AC circuit depend on?

  • Only resistance
  • Only reactance
  • Both R and reactance

💡 Hint: Think about what influences AC flow.

Question 2

True or False: Resonance occurs when X_L is greater than X_C.

  • True
  • False

💡 Hint: Reflect on the definition of resonance.

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Challenge Problems

Push your limits with challenges.

Question 1

Design an LCR circuit with a specific resonance frequency of 50 Hz, knowing you can use a 100 µF capacitor. Calculate the required inductance.

💡 Hint: Remember to rearrange the resonance formula.

Question 2

A circuit has R = 10 Ω, L = 0.1 H, and C = 200 µF. Determine its phase angle at a frequency of 500 Hz.

💡 Hint: Use the calculated reactances to find the angle.

Challenge and get performance evaluation