Advertisements
Advertisements
Question
Write true or false of the following statement.
A magnet has no effect when it is heated to a high temperature.
Options
True
False
Solution
False.
A magnet get demagnetised when it is heated to a very high temperature.
APPEARS IN
RELATED QUESTIONS
Write true or false of the following statement.
Poles of a magnet cannot be separated.
Fill in the blank.
Rough handling destroys the .............. properties of a magnet.
Fill in the blank.
In a magnet, ............ have the maximum attractive property.
Answer the following.
What are magnetic substances?
It is said that repulsion is a sure test for magnetism. Why is it so?
A freely suspended magnet always comes to rest in the ______ direction
Proper storage can also cause magnets to lose their properties.
Give the properties of magnets.
Match the following:
1. | Directive property | a. | Never intersect |
2. | Magnetic poles | b. | Magnetic compass |
3. | Lines of force | c. | Attract |
4. | Unlike poles | d. | Exist in pairs |
Match Column I with Column II (One option of A can match with more than one option of B)
Column 1 | Column II | ||
(a) | Magnet attracts | (i) | rests along a particular direction |
(b) | Magnet can be repelled | (ii) | iron |
(c) | Magnet if suspended freely | (iii) | another magnet |
(d) | Poles of the magnet can be identified by | (iv) | iron filings |