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प्रश्न
Fill in the blank.
A freely suspended magnet always comes to rest in the ................. direction.
उत्तर
A freely suspended magnet always comes to rest in the north-south direction.
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संबंधित प्रश्न
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.
Fill in the blank.
The north pole of the imaginary magnet of the earth is near the geographic ................. pole.
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]
A small iron bar is kept near the north pole of a bar magnet. How does the iron bar acquire magnetism? Draw a diagram to show the polarity on the iron bar. What will happen if the magnet is removed?
State two evidences of the existence of earth's magnetic field.
A charge of 75 C is brought from infinity to a given point in an electric field, when amount of work done is 3.75 J. Calculate the electrical potential at that point.
A charge of 25 C is moved from infinity to points A and B in an electric field when the work is done to do so is 10 J and 10.5 J respectively. Calculate the potential difference between points A and B.
Define the geographical meridian.
Define the terms magnetic declination and dip with reference to a freely suspended magnet.
