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प्रश्न
Select the correct answer
The artificial magnet used to detect direction in the laboratory is
विकल्प
U-shaped magnet
horseshoe magnet
electromagnet
magnetic compass
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उत्तर
magnetic compass
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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.
Select the correct answer
Making a magnetic substance a magnet by bringing it closer to another magnet without touching it, is
What are natural and artificial-magnets?
Describe the method by which an iron bar can be made a magnet.
State three differences between the temporary and permanent magnets.
Give a reason for the following.
Electromagnets are temporary magnets.
Write true or false of the following statement.
Single touch method is better than the electrical method for making a magnet.
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.
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 |
