===== Chapter 16: Alternating Current ===== Notes of Chapter 16: Alternating Current of “Physics XII” for FSc Part 2 published by Punjab Textbook Board, Lahore. These notes are very helpful to prepare Physics paper of FSc Part 2 for Federal Board, Multan Board, Faisalabad Board, Sargodha Board, Gujranwala Board, DG Khan Board, Rawalpindi Board or any other board of Punjab, Pakistan. === Summary and Contents === The current that is produced by a voltage source whose polarity keeps on reversing with time is called alternating current.The value of the voltage or current that exist in a circuit at any instant of time t measured from some reference point is known as its instantaneous value. * Alternative current * Advantage of AC * Flow of AC * Different terms of AC * AC circuit * AC through a resistor * AC through an inductor * Impedance * R-C and R-L series * Power in AC circuit * Resonance * Parallel resonance circuit * Three phase AC supply * Principal of metal detectors * Principal of generator * Reception of emf waves * Modulation * Comparison between A.M and F.M === View Online & Download ===