I am IEEE member.As a electrical engineer, I do not want to suggest this site as some of the links are not working.Electrical4u covers subjects only to write exams.Deep understanding in the long run, this
site is not suitable.Please prefer text books and reference books suggested by respective institutions so that
any doubt can be clarified easily.I am looking this site from the student point of view.The site provides question and
answer session of objective type.It is not ok for current exam selection procedure.