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प्रश्न
Draw diagrams of the artificial magnets of four different shapes?
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उत्तर
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संबंधित प्रश्न
You are given two similar bars. One is a magnet and the other is of soft iron. How will you distinguish and identify them ?
Write true or false of the following statement.
Magnetic keeper is a wooden piece.
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.
Define the following term regarding a bar magnet:
Magnetic field
Define the following term regarding a bar magnet:
Effective length
There is repulsion between the _____ poles of a magnet and attraction between its _____ poles.
Explain the following:
Resistance of a conductor
Distinguish between
Natural and artificial magnets.
How can you identify non-magnetic materials? Give an example of a nonmagnetic material.
