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प्रश्न
State the laws of magnetism.
उत्तर
The Laws of Magnetism: Like poles repel each other and unlike poles attract each other.
APPEARS IN
संबंधित प्रश्न
You are given two similar bars. One is a magnet and the other is of soft iron. How will you distinguish and identify them ?
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 in short.
If a bar magnet is placed over iron filings, where will the attraction of the iron fillings be
- maximum?
- minimum?
Fill in the blank.
The perpendicular bisector of the line joining the two poles of a magnet is called ...................
Write the answer in your word.
Write the properties of a magnet.
Write the answer in your word.
What are the practical uses of a magnet?
Draw the magnetic flux pattern near a bar magnet placed with its axis in the magnetic meridian and the south pole pointing towards geographic north.
Define the term Poles of a magnet
What is a natural magnet?
Match the following.
| Magnetite | Magnetic lines |
| A tiny pivoted magnet | Natural magnet |
| Cobalt | Compass box |
| Closed curves | Ferromagnetic material |
| Bismuth | Diamagnetic material |
