Advertisements
Advertisements
प्रश्न
State if the following statement is true or false. Correct the statement if it is false.
Temporary magnets are made of cobalt.
पर्याय
True
False
Advertisements
उत्तर
False.
Temporary magnets are made of soft iron.
APPEARS IN
संबंधित प्रश्न
Write true or false of the following statement.
Artificial magnets are weaker than the natural magnets.
Write true or false of the following statement.
Permanent magnets get easily demagnetised.
Fill in the blank.
Temporary magnets are usually made up of .................
What are natural and artificial-magnets?
State three differences between the temporary and permanent magnets.
Name the material of the core of an electromagnet for temporary magnet.
Tick the most appropriate answer.
A permanent magnet can be demagnetized by
Fill in the blank.
Permanent magnets are generally made of steel, cobalt, nickel, or an alloy called ...............
It was observed that a pencil sharpener gets attracted by both the poles of a magnet although its body is made of plastic. Name a material that might have been used to make some part of it.
You are given an iron strip. How will you make it into a magnet?
