Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
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 ?
State if the following statement is true or false. Correct the statement if it is false.
Attraction is the surest test for magnetism.
Define the following term regarding a bar magnet:
Effective length
How will you do this?
Determine whether a material is magnetic or non-magnetic.
If a magnet attracts a piece of metal, that piece must be made of ______.
There are two knitting needles. One of them is magnetized. How will you find out which one is magnetized, if no other magnet is available?
With the help of a diagram explain the following:
Magnetisation of steel needle using electric current such that the pointed end should have north polarity.
The south pole of a bar magnet and the north pole of a U-shaped magnet will _______.
Match the following.
| Magnetite | Magnetic lines |
| A tiny pivoted magnet | Natural magnet |
| Cobalt | Compass box |
| Closed curves | Ferromagnetic material |
| Bismuth | Diamagnetic material |
The strongest natural magnet is ______.
