Crawling is a phenomenon mainly associated with Warning: Trying to access array offset on false in /home3/indiakep/public_html/wp-content/plugins/dw-question-answer/inc/Template.php on line 8 All Questions › Category: Electrical Machines › Crawling is a phenomenon mainly associated with 0 Vote Up Vote Down Rajasri Mundrathi Staff asked 5 years ago Options: a) 3rd harmonicb) 5th harmonicc) 7th harmonicd) 2nd harmonic 1 Answers 0 Vote Up Vote Down Rajasri Mundrathi Staff answered 5 years ago The correct answer is 7th harmonic