What is the operation in the rewinding process given below?

🎲 Try a Random Question  |  Total Questions in Quiz: 107  |  🧠 Study this quiz with Flashcards
This question is part of a full practice quiz:
Wireman Practice Test: DC Machine — practice the complete quiz, review flashcards, or try a random question.

Related: Wireman Practice Test: Basic Electronics 


What is the operation in the rewinding process given below?<br><img src='https://www.fatskills.com/images4/BS/wireman-dc-machine-104.GIF'>