# Alternating Current CBSE Class 12 PYQ Chapter Wise

> Alternating Current CBSE Class 12 PYQs: all 11 questions from 50 official papers (2016–2026), by concept. Asked in 9 of 10 years.

Source: https://previousyearquestions.app/cbse-class-12/chapters/alternating-current/

Explore: <a href="/cbse-class-12/chapters/">All CBSE Class 12 chapters</a> · <a href="/cbse-class-12/chapters/physics/">CBSE Class 12 Physics PYQs</a> · <a href="/cbse-class-12/">CBSE Class 12 hub</a> · <a href="/cbse-class-12/syllabus-pattern/">Syllabus & pattern</a> · <a href="/cbse-class-12/2026/">Class 12 2026</a>

## Answer first

Alternating Current PYQs (previous year questions) for CBSE Class 12: Alternating Current (Physics) had **11 questions** across the 50 official CBSE Class 12 papers we tagged (2016–2026), and appeared in 9 of them. Asked in 9 of 10 years. The concepts asked in the most papers: LCR Circuit, Power in AC Circuits, AC Circuit Elements.

## Year-wise question count

<ChapterQuestions exam="cbse-class-12" chapter="alternating-current" part="trend" />

## Most-asked concepts

Sorted by the number of papers a concept appeared in.

<ChapterQuestions exam="cbse-class-12" chapter="alternating-current" part="concepts" />

## How to practise Alternating Current PYQs

1. Start with the concepts at the top of the table. They have come back the most.
2. Solve one year's Alternating Current questions from the official PDF against the clock, then check the answer listed below.
3. Log every miss as a concept gap, a calculation slip or a misread. Each needs a different fix.
4. Once a concept is clean in two papers, move to the next. Then sit a full paper from the year pages.

## Questions by year

Each line gives the question number and paper, type, concept, our one-line summary, with a link to the official PDF.

<ChapterQuestions exam="cbse-class-12" chapter="alternating-current" part="questions" />

## Other Physics chapters

- [Electric Charges and Fields PYQs](/cbse-class-12/chapters/electric-charges-and-fields/)
- [Electrostatic Potential and Capacitance PYQs](/cbse-class-12/chapters/electrostatic-potential-and-capacitance/)
- [Current Electricity PYQs](/cbse-class-12/chapters/current-electricity/)
- [Moving Charges and Magnetism PYQs](/cbse-class-12/chapters/moving-charges-and-magnetism/)
- [Magnetism and Matter PYQs](/cbse-class-12/chapters/magnetism-and-matter/)
- [Electromagnetic Induction PYQs](/cbse-class-12/chapters/electromagnetic-induction/)
- [Electromagnetic Waves PYQs](/cbse-class-12/chapters/electromagnetic-waves/)
- [Ray Optics and Optical Instruments PYQs](/cbse-class-12/chapters/ray-optics-and-optical-instruments/)
- [Wave Optics PYQs](/cbse-class-12/chapters/wave-optics/)
- [Dual Nature of Radiation and Matter PYQs](/cbse-class-12/chapters/dual-nature-of-radiation-and-matter/)
- [Atoms PYQs](/cbse-class-12/chapters/atoms/)
- [Nuclei PYQs](/cbse-class-12/chapters/nuclei/)
- [Semiconductor Electronics PYQs](/cbse-class-12/chapters/semiconductor-electronics/)
- [Communication Systems PYQs](/cbse-class-12/chapters/communication-systems/)

## FAQ

### How many Alternating Current questions come in CBSE Class 12?
In the official papers we tagged: 1 in 2026, 1 in 2025, 3 in 2024, 1 in 2023, 1 in 2020, 1 in 2019, 1 in 2018, 1 in 2017 and 1 in 2016. Not asked in the other year. That is 11 questions in all, about 4% of Physics.

### Which Alternating Current topics repeat in CBSE Class 12?
Asked in the most papers: LCR Circuit, Power in AC Circuits, AC Circuit Elements. The concept table lists every one with its count.

### Are these official CBSE Class 12 questions?
Yes. Every question is from an official CBSE Class 12 paper hosted on our year pages. The one-line summaries are ours; open the PDF linked beside each question for the full text.