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प्रश्न
Select the correct option:
The substance which form a strong temporary magnet is:
पर्याय
steel
platinum
soft iron
manganese
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उत्तर
soft iron
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संबंधित प्रश्न
Fill in the blank
To light a table lamp and to run a refrigerator, we use ______ as the source of electricity.
You are given two similar bars. One is a magnet and the other is of soft iron. How will you distinguish and identify them ?
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 |
State if the following statement is true or false. Correct the statement if it is false.
Attraction is the surest test for magnetism.
State if the following statement is true or false. Correct the statement if it is false.
Whenever a magnet is not in use, it should be stored along with other magnets.
If a bar magnet is cut into equal pieces by cutting it at right angles to its axis at two places, ______ bar magnets are formed, and a total of _____ poles are formed.
Define the following term:
Geographic meridian
Give scientific reason:
Two steel needles hanging from the lower end of a vertical bar magnet do not hang vertically.
Explain the following:
Resistance of a conductor
