EMI & AC Feel Too Conceptual? 3 Best Videos to Revise Induction + AC Quickly
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Electromagnetic Induction and Alternating Current are important chapters for the CBSE Class 12 Physics Board Exam. Many students find these topics difficult because they include concepts, formulas, and applications.
At the last moment, it becomes hard to revise the theory from textbooks. Students often need a quick revision method that helps them understand the main ideas in less time.
The CBSE Class 12 Physics Board Exam will be conducted on 20 February 2026. At this stage, students should focus on revision instead of starting new topics. This is the time to strengthen concepts that are already studied. Students should also revise important derivations and formulas again and again.
Video revision is useful now because it helps in quick recall of theory and problem-solving steps. Short one-shot sessions and formula marathons can support better understanding and help students feel more confident before the exam.
3 Useful Videos to Revise Induction + AC Quickly Before Class 12 Physics Board Exam 2026
Electromagnetic Induction and Alternating Current include topics like Faradayβs law, Lenzβs law, self-induction, mutual induction, AC circuits, impedance, power factor, and resonance.
These topics are important for both numerical questions and theory-based questions in the board exam.
The following three videos can help students revise the complete syllabus of EMI and AC in a short time. These videos explain concepts in simple language and help in quick revision of formulas and derivations.
EMI One Shot Video
This one-shot video explains the full chapter of Electromagnetic Induction in a clear and simple way. It starts with the concept of magnetic flux and how it depends on the angle between the magnetic field and the area. The session also explains Faradayβs law and Lenzβs law in an easy manner. Students can understand how induced EMF is produced when magnetic flux changes in a closed circuit.
The video also covers motional EMF and the concept of induced current in moving conductors. Important topics like self-induction and mutual induction are explained with formulas and examples. It also discusses the energy stored in an inductor and the role of eddy currents.
This session helps students revise important derivations, formulas, and applications quickly before the CBSE Class 12 Physics Board Exam.
Alternating Current One Shot
This one-shot video helps students revise the basic concept of alternating current quickly. It explains the RMS value, the average value, and the relation between the peak and the RMS voltage. The session also covers phase difference in resistive, inductive, and capacitive circuits with the help of phasor diagrams.
Important topics like impedance, reactance, resonance in LCR circuits, and power factor are also included. The working and formula of transformers are explained for quick revision before the Class 12 Physics Board Exam.
EMI/AC Formula Marathon
This formula marathon video is helpful for quick revision before the board exam. It focuses on remembering important formulas from Electromagnetic Induction and Alternating Current. Students can revise formulas related to magnetic flux, induced EMF, motional EMF, self-inductance, and mutual inductance in a short time.
The video also explains AC circuit formulas such as RMS value, impedance, inductive reactance, and capacitive reactance. It covers phase difference in resistive, inductive, and capacitive circuits. Students can also revise transformer formulas and resonance conditions from this session. This helps in recalling formulas easily and writing correct steps in numerical questions in the CBSE Class 12 Physics Board Exam.
Electromagnetic Induction and Alternating Current are scoring chapters in the CBSE Class 12 Physics Board Exam. Questions from formulas, derivations, and applications are often asked in both theory and numerical form. At this final stage before the exam, students should focus on quick and effective revision of these chapters.
These one-shot videos and formula marathon sessions help in revising important concepts in less time. Students can quickly recall key formulas, understand phase differences in AC circuits, and revise transformer and resonance topics. Regular revision through these videos can improve answer presentation and help in securing step-wise marks in the Physics board exam.