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प्रश्न
Bar magnets are often stored in pairs as shown in the figure. E and F being pieces of metal.
What is the material of darkened part?
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उत्तर
The darkened part is a non-magnetic material like wood.
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संबंधित प्रश्न
You are given a magnet. How will you use it to find north-south direction at a place?
Match the following
| Column A | Column B |
| A) Steel | 1) to store magnets |
| B) Soft iron | 2) temporary magnet |
| C) Use in electric bell | 3) permanent magnet |
| D) Magnetic keepers | 4) electromagnet |
Answer the following.
Can you bring two similar poles of two different magnetic close together easily? Why?
Fill in the blank.
Magnetic poles always exist in ...............
Distinguish between the two methods of making artificial magnets.
The figure shows a freely suspended magnet in the rest position. Copy the diagram and on its show:
- Angle of declination
- Angle in dip
Draw the magnetic field lines around a bar magnet when a bar magnet is placed such that the N pole points North.
Distinguish between
Natural and artificial magnets.
The pole of a freely suspended magnet that points towards the north is called the south pole and what points towards the south is the celled north pole.
Define electromagnet.
