Alternating current can be produced or generated by using devices that are known as alternators. Assignments; HCV Solutions; Notes; ... 07.Alternating Current . Class 12 Physics Chapter 7 Alternating Current Notes – PDF Download Alternating current (AC) is the current generated by the vast majority of power plants and used by most power distribution systems, as it is cheaper to generate and has fewer energy losses than direct current … CBSE Class 12 Physics Notes with derivations are prepared by our team members by keeping latest syllabus and exam pattern in mind. Physicswallahalakhpandey.com physics Alakh pandey ,alakhpandey notes,physicswallah ,notes of class 12 nd 11 ,IIT JEEE,NEET,AIMS, CAT, chemistry, 10 Jeemains Classnotes is your one stop solution for the preparation of jeemains, Neet and competitive exams. Inductor 3. 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