Advertisements
Advertisements
प्रश्न
Why it is not advisable to slide a magnet on an iron bar back and forth during magnetising it?
उत्तर
It is not advisable to slide a magnet on an iron bar back and forth because moving it in opposite directions will work to cancel each other out.
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 ?
Draw diagrams of the artificial magnets of four different shapes?
Answer the following.
Why is it not possible to isolate a single magnetic pole?
There is repulsion between the _____ poles of a magnet and attraction between its _____ poles.
The alloys called ______ and ______ are used for making industrial magnets.
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.
Mark on the diagram the poles of the second magnet,
Since every iron atom is a tiny magnet, why are not all iron bar magnets?
Give scientific reason:
Not attraction but repulsion is a sure test of magnetism.
Distinguish between
Natural and artificial magnets.
