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प्रश्न
You are provided with two similar bars, one is a magnet and the other is a soft iron. How will you distinguish between them without the use of any other magnet or bar?
[Hint : A magnet when suspended freely will rest only in the north-south direction, but the soft iron bar will rest in any direction]
उत्तर
A magnet when suspended freely will rest only in north-south direction, but the soft iron bar will rest in any direction.
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संबंधित प्रश्न
Fill in the blank.
A freely suspended magnet points in the ......................... direction.
Fill in the blank.
A magnet has ............. poles.
Fill in the blank.
A freely suspended magnet always comes to rest in the ................. direction.
State if the following statement is true or false. Correct the statement if it is false.
If a bar magnet is cut in two pieces, then one piece will have only the north pole and the other will have only the south pole.
A work of 25 J and 30 J is done when 5 C charge is moved first to point A and then to point B from infinity. Calculate the potential difference between points A and B.
Select the correct option:
SI unit potential difference is:
Define the magnetic field.
Define the terms magnetic declination and dip with reference to a freely suspended magnet.
A freely suspended bar magnet is always pointing along the ________ north-south direction.
Consider the statement given below and choose the correct option.
Assertion: The Earth’s magnetic field is due to iron present in its core.
Reason: At a high temperature a magnet loses its magnetic property or magnetism.
