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प्रश्न
You are provided with two identical metal bars. One out of the two is a magnet. Suggest two ways to identify the magnet.
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उत्तर
There are two techniques to recognise magnets.
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Take both metal bars and place them in the iron filings, then remove them immediately. The magnet will be filled with iron filings, while the regular metal bar will have no filings.
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Place a magnet near each of the metal bars one at a time. The magnetic bar that attracts or repels the magnet is magnetic, whilst the other is not.
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संबंधित प्रश्न
Fill in the blank
Like poles ______ each other and unlike poles _____
Describe a simple experiment to illustrate that like poles of two magnets repel each other while the unlike poles attract ?
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 |
What is a magnet?
Select the correct option:
The substance which form a strong temporary magnet is:
Describe, how you will proceed to determine the position of the pole of a bar magnet.
Bar magnets are often stored in pairs as shown in the figure. E and F being pieces of metal.
Why are E and F placed in contact with the poles of the magnets as shown in the diagram?
Draw the magnetic field lines around a bar magnet when a bar magnet is placed such that the N pole points North.
A magnet attracts ______.
MRI stands for _______.
