how will you magnetise an iron peice and test that it is magnetised Share with your friends Share 1 Geetha answered this Rub the iron piece on a magnet for several times, the iron piece will be magnetised. The magnetised iron attract the iron pins will show it is having magnetic character. 7 View Full Answer Saksham answered this rub it by magnet about 40 times than the iron piece will magnetise -1