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प्रश्न
Two like magnetic poles:
पर्याय
Repel each other
Attract each other
First attract each other, then repel
Neither attract nor repel.
उत्तर
Two like magnetic poles : Repel each other
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संबंधित प्रश्न
Fill in the blank.
A freely suspended magnet points in the ......................... direction.
In which direction does a suspended bar magnet come to rest? Give reason.
Describe an experiment to illustrate that like poles repel while the, unlike poles, attract.
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]
State two evidences of the existence of earth's magnetic field.
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.
Define the geographical meridian.
Define Magnetic equator.
Earth acts as a huge bar magnet. Why? Give reasons.
Though Earth is acting as a huge bar magnet it is not attracting other ferromagnetic materials. Why? Give reasons.
