Dc does not have any cycle and consists of positive and negative(like square waveform) polarity, and the frequency of DC supply is always zero because the time period is infinity. But, in case of AC,...
Hi Parents, we are starting a batch for 2017-19 for IIT JEE Main & Advance plus NEET. IIT Foundation is a course to be undertaken from 9th On wards, do not waste your money from VII/VIII...