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प्रश्न
Maximum iron filings stick in the middle of a bar magnet when it is brought near them.
पर्याय
True
False
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उत्तर
This statement is False.
Correct statement:
Maximum iron filings stick in the poles of a bar magnet when it is brought near them.
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संबंधित प्रश्न
Select the correct alternative
A freely suspended magnet rests in
You are given a magnet. How will you use it to find north-south direction at a place?
Match the following
| Column A | Column B |
| A) Steel | 1) to store magnets |
| B) Soft iron | 2) temporary magnet |
| C) Use in electric bell | 3) permanent magnet |
| D) Magnetic keepers | 4) electromagnet |
Answer the following.
Why is it not possible to isolate a single magnetic pole?
State if the following statement is true or false. Correct the statement if it is false.
Attraction is the surest test for magnetism.
Answer the following in detail.
How is the single-touch method of magnetism different from the double-touch method?
Define the following term regarding a bar magnet:
Magnetic equator
The real test of a magnet is ______.
Describe, how you will proceed to determine the position of the pole of a bar magnet.
Draw lines of force surrounding a bar magnet when it is placed in the magnetic meridian with its north pole pointing geographic south.
Draw a clearly labelled diagram, to show how a steel bar is magnetised by a divided touch method. A written description is not required.
Define the term Magnetic axis
Define the following term:
Geographic meridian
State the laws of magnetism.
People who made mariner’s compass for the first time.
MRI stands for _______.
Thamizh Dharaga and Sangamithirai were playing with a bar magnet. They put the magnet down and it broke into four pieces. How many poles will be there?
What are the factors that determine the strength of the magnet?
Match the following:
| 1. | Electricity and magnetism | a. | Step-down transformer |
| 2. | Force on the conductor | b. | Hans Christian Oersted |
| 3. | Electric bell | c. | I LB |
| 4. | Ns <Np | d. | Electromagnet |
