Advertisements
Advertisements
प्रश्न
Select the correct answer
Making a magnetic substance a magnet by bringing it closer to another magnet without touching it, is
विकल्प
magnetic induction method
single touch method
double touch method
electrical method
उत्तर
magnetic induction method
APPEARS IN
संबंधित प्रश्न
Write true or false of the following statement.
Artificial magnets are weaker than the natural magnets.
Fill in the blank.
Temporary magnets are usually made up of .................
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.
Temporary magnets are made of
Tick the most appropriate answer.
A permanent magnet can be demagnetized by
State if the following statement is true or false. Correct the statement if it is false.
Temporary magnets are made of cobalt.
Give a reason for the following.
Electromagnets are temporary magnets.
Column I shows different positions in which one pole of a magnet is placed near that of the other. Column II indicates the resulting action between them for each situation. Fill in the blanks.
Column I | Column II |
N - N | ______ |
N - ______ | Attraction |
S - N | ______ |
______ - S | Repulsion |
You are given an iron strip. How will you make it into a magnet?