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प्रश्न
Consider the statement given below and choose the correct option.
Assertion: Iron filings are concentrated more at the magnetic poles.
Reason: The magnets are so sharp.
पर्याय
Both assertion and reason are true and reason is the correct explanation of assertion.
Both assertion and reason are true, but the reason is not the correct explanation of assertion.
Assertion is true, but reason is false.
Assertion is false, but reason is true.
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उत्तर
Both assertion and reason are true, but the reason is not the correct explanation of assertion.
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संबंधित प्रश्न
Match the following
| Column A | Column B |
| (a). Human body | (1). electric bell |
| (b). Silk thread | (2). current |
| (c). Charge in motion | (3). conductor |
| (d). soft iron | (4). electromagnet |
| (e) . Electromagnet | (5). insulator |
Write true or false of the following statement.
Copper cannot be magnetised.
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 |
What is the magnetic induction? Explain with the help of a diagram.
Fill in the blank.
The perpendicular bisector of the line joining the two poles of a magnet is called ...................
The figure shows a freely suspended magnet in the rest position. Copy the diagram and on its show:
- Angle of declination
- Angle in dip
The south pole of a bar magnet and the north pole of a U-shaped magnet will _______.
Magnets are used in _______ for generating electricity.
