Question

Write an experiment to show single
touch method to magnetise an iron
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Answer 1

Answer:

• In the single-touch method, an iron bar is rubbed with a magnet repeatedly.

• To magnetise an iron bar AB using a bar magnet.

• Place one of the poles of a bar magnet, say the north pole, over one end of the iron bar, say end A.

• Without lifting the bar magnet, move it along the length of the iron bar till you reach the other end, B, of the bar.

• On reaching end B of the iron bar, lift the bar magnet, bring the same north pole to point A of the iron bar, and then rub move the magnet from point A to point B again.

• The process needs to be repeated about 30 to 40 times. This process is called magnetisation of the iron bar by the single-touch method.

• The end A becomes the north pole and B the south pole, which can be checked by means of a magnetic compass or a bar magnet.

HOPE IT WAS HELPFUL.

Answer 2

Answer:

⇒ In the single-touch method, an iron bar is rubbed with a magnet repeatedly.

⇒ To magnetise an iron bar AB using a bar magnet.

⇒ Place one of the poles of a bar magnet, say the north pole, over one end of the iron bar, say end A.

⇒ Without lifting the bar magnet, move it along the length of the iron bar till you reach the other end, B, of the bar.

⇒ On reaching end B of the iron bar, lift the bar magnet, bring the same north pole to point A of the iron bar, and then rub move the magnet from point A to point B again.

⇒ The process needs to be repeated about 30 to 40 times. This process is called magnetisation of the iron bar by the single-touch method.

⇒The end A becomes the north pole and B the south pole, which can be checked by means of a magnetic compass or a bar magnet.

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