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प्रश्न
How will you do this?
Determine whether a material is magnetic or non-magnetic.
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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
Define the following term regarding a bar magnet:
Magnetic axis
Define the following term regarding a bar magnet:
Effective length
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,
Draw a clearly labelled diagram, to show how a steel bar is magnetised by a divided touch method. A written description is not required.
Explain the mechanism by which unmagnetized iron nails get attracted to a magnet when brought near it.
Define the following term:
Angle of dip
Match the following.
| Magnetite | Magnetic lines |
| A tiny pivoted magnet | Natural magnet |
| Cobalt | Compass box |
| Closed curves | Ferromagnetic material |
| Bismuth | Diamagnetic material |
What is the connection between electricity and magnetism?
Define electromagnet.
