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प्रश्न
Suggest an activity to prepare a magnetic compass by using an iron needle and a bar magnet.
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उत्तर
Using the approach below, you can make a magnetic compass.
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On a wooden table, place one needle.
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Move a magnet along the length of the needle without raising it.
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When you reach the needle’s endpoint, raise the magnet and rub it in the same way again.
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Keep going in the same direction as before and repeat the steps.
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Now, in a water-filled container, set the needle on the cork.
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The needle will change and position itself in the “North-South” way.
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संबंधित प्रश्न
Answer the following in short.
Give two examples each of magnetic and. non-magnetic substances.
Write main properties of a magnet.
Write two methods by which a magnet can be demagnetised.
It is advised to keep the magnets away from television, mobiles, CD and computers Explain why?
Few iron nails and screws got mixed with the wooden shavings while a carpenter was working with them.How can you help him in getting the nails and screws back from the scrap without wasting his time in searching with his hands?
The Materials which are attracted towards the magnet are called ______.
Rubber is a magnetic material.
Among the following which one is a magnetic substance?
Ever silver spoon is a ______ material.
A toy car has a bar magnet laid hidden inside its body along its length. Using another magnet how will you find out which pole of the magnet is facing the front of the car?
