Advertisements
Advertisements
प्रश्न
One of the following is an example for a permanent magnet.
पर्याय
Electromagnet
Mumetal
Soft iron
Neodymium
Advertisements
उत्तर
Neodymium
APPEARS IN
संबंधित प्रश्न
Select the correct alternative
A freely suspended magnet rests in
Write true or false of the following statement.
Copper cannot be magnetised.
State if the following statement is true or false. Correct the statement if it is false.
Attraction is the surest test for magnetism.
Answer the following in detail.
List four methods of magnetizing a magnetic substance.
How will you do this?
Find the north pole of a magnet.
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?
Write a short note on lighting conductors.
Differentiate between:
Primary and secondary cell.
Maximum iron filings stick in the middle of a bar magnet when it is brought near them.
How can you identify non-magnetic materials? Give an example of a nonmagnetic material.
