Question

How can you magnetise an iron needle using a strong bar magnet​

Answer 1

Answer:

To magnetize a iron needle we rub the needle with a magnet.

Now when the needle is brought near the magnet and rubbed, the magnetic field inside the needle too increases but as the needle is moved away from magnet the filed inside will decrease.

Answer 2

Answer:

you can magnetise  an iron needle by using a strong bar magnet by one touch method .

all you have got to do is trace a semicircle over the needle with the help of magnet without touching the needle

hope it helps you ..

pls add my answer as brainliest