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प्रश्न
Give scientific reason:
Two steel needles hanging from the lower end of a vertical bar magnet do not hang vertically.
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उत्तर
Two steel needles hanging from the lower end of the vertical bar magnet do not hang vertical but will diverge because they got the like poles on it and like poles repel each other so they diverge.
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संबंधित प्रश्न
Describe a simple experiment to illustrate that like poles of two magnets repel each other while the unlike poles attract ?
Explain the meaning of the term magnetic field ?
State if the following statement is true or false. Correct the statement if it is false.
As we move away from a magnet, its attraction power weakens.
How will you do this?
Explain that a magnet has a certain magnetic field.
The figure shows a freely suspended magnet in the rest position. Copy the diagram and on its show:
- Angle of declination
- Angle in dip
Draw a clearly labelled diagram, to show how a steel bar is magnetised by a divided touch method. A written description is not required.
Explain the mechanism by which unmagnetized iron nails get attracted to a magnet when brought near it.
One of the following is an example for a permanent magnet.
Define electromagnet.
