Advertisements
Advertisements
प्रश्न
How will you do this?
Determine whether a material is magnetic or non-magnetic.
Advertisements
उत्तर
To determine whether a material is magnetic or non-magnetic, I will bring a magnet near it. If the material sticks to the magnet, it is magnetic; otherwise, it is non-magnetic.
संबंधित प्रश्न
State two properties of a bar magnet ?
Answer the following in detail.
List four methods of magnetizing a magnetic substance.
Which magnet will you use?
You are lost in a forest.
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?
If a magnet is carefully broken into two pieces as shown in figure (i), how does the magnetic strength of each piece compare with that of the original magnet? If another magnet is carefully broken in half along its long axis shown in figure (ii), how would the strength of each piece compare with that of the original magnet?
Draw a clearly labelled diagram, to show how a steel bar is magnetised by a divided touch method. A written description is not required.
What are magnetic keepers? What are they used for?
State the laws of magnetism.
Distinguish between
Natural and artificial magnets.
MRI stands for _______.
