Mastering Physics Solutions Chapter 24 Alternating Current Circuits Mastering Physics SolutionsChapter 24 Alternating Current Circuits Q.1CQ How can the rms voltage of an ac circuit be nonzero when its average value is zero? Explain. Solution: For a complete cycle the voltage oscillates between positive and negative symmetrically. Therefore the sum of symmetric positive … [Read more...] about Mastering Physics Solutions Chapter 24 Alternating Current Circuits