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प्रश्न
With the help of a diagram explain the following:
Magnetisation of an iron bar by a single touch method.
उत्तर
The magnetization of Iron Bar by Single Touch Method: Place the iron piece on the table and stroke it with a bar magnet from A to B with one end of the magnet. When the magnet reaches B it is lifted and brought back to A to repeat the stroke. After a few strokes, we will notice that A has acquired the same polarity as the pole rubbed against it.
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संबंधित प्रश्न
Fill in the blank
Like poles ______ each other and unlike poles _____
What is a magnet?
Draw diagrams of the artificial magnets of four different shapes?
Define the following term regarding a bar magnet:
Magnetic field
When magnetic material is taken close to a magnet, the material acquires ______.
Describe two simple experiments to support the statement that magnetism is a property of the molecules of a magnet.
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?
Draw a clearly labelled diagram, to show how a steel bar is magnetised by a divided touch method. A written description is not required.
Define the term Poles of a magnet
Maximum iron filings stick in the middle of a bar magnet when it is brought near them.
