For a long time, electricity and magnetism were considered separate and unrelated phenomena. But in chapter 4, you studied about their relationship with each other. In this chapter, you will learn about the phenomenon of changing magnetic fields and its underlying principles. The induction of electricity due to varying magnetic fields is known as electromagnetic induction.
The well thought out CBSE class 12 revision notes for chapter 6 electromagnetic induction pdf is available here for free download. By referring to this, one can learn and revise for exams so much better and enjoy learning the subject.