Alternating Current
CBSE · Class 12 · Physics
Most important questions from Alternating Current for CBSE Class 12 Physics board exam 2026. MCQs, short answer, and long answer questions with marks.
Sample Questions
The RMS value of an AC voltage with peak value 311V is:
In a purely resistive AC circuit, the phase difference between voltage and current is:
The inductive reactance XL depends on:
In a purely inductive circuit, current:
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What are the important topics in Alternating Current for CBSE Class 12 Physics?
Alternating Current covers several key topics that are frequently asked in CBSE Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Alternating Current — CBSE Class 12 Physics?
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.
How many important questions are there in Alternating Current?
There are 45 practice questions available for Alternating Current. These cover multiple question types including MCQs, short answer, and long answer questions.
Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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Semiconductor Electronics: Materials, Devices and Simple Circuits
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Electromagnetic Waves
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