how will you test the polarity of a magnet?
Kindly refer the following link .
https://www.meritnation.com/ask-answer/question/what-is-the-polarity-of-a-magnet/physics/3707019
https://www.meritnation.com/ask-answer/question/what-is-the-polarity-of-a-magnet/physics/3707019