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Alternating Current (Part-2)

Feb 4, 2013 12:15 IST
    Alternating Current (Part-2)
    Alternating Current (Part-2)

    What is the importance of the chapter Alternating current? Why do we study the chapter Alternating current? How many marks are carried by the chapter Alternating current in class 12 board examinations? What is the Root mean square current?

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    The root mean square, also known as the quadratic mean, is a statistical measure of the magnitude of a varying quantity. It is especially useful when varietys are positive and negative.

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