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प्रश्न
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?
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उत्तर
- At the ends of the bar magnet.
- At the centre of the magnet.
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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 ?
Answer the following in detail.
Write a short note on the theory of magnetism.
There is repulsion between the _____ poles of a magnet and attraction between its _____ poles.
If a magnet attracts a piece of metal, that piece must be made of ______.
The alloys called ______ and ______ are used for making industrial 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 a clearly labelled diagram, to show how a steel bar is magnetised by a divided touch method. A written description is not required.
A magnet attracts ______.
How can you identify non-magnetic materials? Give an example of a nonmagnetic material.
You are provided with two identical metal bars. One out of the two is a magnet. Suggest two ways to identify the magnet.
