Advertisements
Advertisements
प्रश्न
Write true or false of the following statement.
Single touch method is better than the electrical method for making a magnet.
विकल्प
True
False
Advertisements
उत्तर
False.
Electrical method is better than the single-touch method.
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 .................
Select the correct answer
The artificial magnet used to detect direction in the laboratory is
Describe the method by which an iron bar can be made a magnet.
State three differences between the temporary and permanent magnets.
Tick the most appropriate answer.
Temporary magnets are made of
Fill in the blank.
Permanent magnets are generally made of steel, cobalt, nickel, or an alloy called ...............
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 |
