Question

au iron needle using 4. explain how can you magnetise the single-touch method?​

Answer 1

Answer:

We can magnetize a material by rubbing it against a strong magnet. When a magnetic material is brought near the magnetic field of a magnet, its atoms start aligning itself to the field. So, when we rub the material over the magnet the material will be magnetized for a certain period of time.

Explanation:

What happens in single touch method?

Answer: Single touch method is one of various ways of making a magnetic material like soft iron into a magnet. In this method one end of the magnet (say north pole) is placed at one end (say end A) of the iron piece and then rubbed over the bar from end to other (say end B), then lifted and brought back to first end