Crawling is a phenomenon mainly associated with All Questions › Category: Electrical Machines › Crawling is a phenomenon mainly associated with 0 Vote Up Vote Down Rajasri Mundrathi Staff asked 3 years ago Options: a) 3rd harmonicb) 5th harmonicc) 7th harmonicd) 2nd harmonic 1 Answers 0 Vote Up Vote Down Rajasri Mundrathi Staff answered 3 years ago The correct answer is 7th harmonic