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Chapter 18 of 29
Important Questions

Alternating Currents

Kerala Board · Class 12 · Physics

Most important questions from Alternating Currents for Kerala Board Class 12 Physics board exam 2026. MCQs, short answer, and long answer questions with marks.

45 questions23 flashcards5 concepts
45 Questions·
multiple choicemultiple correct

Sample Questions

1multiple choice

What is the RMS value of an AC voltage with peak value 310 V?

2multiple choice

In a purely resistive AC circuit, what is the phase relationship between voltage and current?

3multiple choice

The capacitive reactance of a 100 μF capacitor at 50 Hz frequency is:

4multiple correct

Which of the following statements about AC circuits are correct?

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Frequently Asked Questions

What are the important topics in Alternating Currents for Kerala Board Class 12 Physics?

Alternating Currents covers several key topics that are frequently asked in Kerala Board Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.

Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision before the exam.

There are 45 practice questions available for Alternating Currents. These cover multiple question types including MCQs, short answer, and long answer questions.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.