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प्रश्न
Define the term Effective length of a magnet
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उत्तर
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संबंधित प्रश्न
Draw diagrams of the artificial magnets of four different shapes?
Answer the following in detail.
How is the single-touch method of magnetism different from the double-touch method?
How will you do this?
Determine whether a material is magnetic or non-magnetic.
If a bar magnet is hung by a thread tied at its center, its north pole becomes steady in the direction of the ______ Pole of the earth.
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?
What do you understand by the term magnetic declination?
An object that is attracted by magnet.
Match the following.
| Magnetite | Magnetic lines |
| A tiny pivoted magnet | Natural magnet |
| Cobalt | Compass box |
| Closed curves | Ferromagnetic material |
| Bismuth | Diamagnetic material |
Observe the pictures A and B given in figure carefully.
Which of the following statement is correct for the above given pictures?
What are the factors that determine the strength of the magnet?
