around the bar magnet, field lines are found to be crowded in certain regions . what does it indicate ? how will you identify north pole and South Pole of a magnet with the help of magnetic field lines ? what will you conclude if the field lines are parallel straight lines. ? give an example where such field lines are observed.
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if we don't know about the pole of magnet then
- first we can bar magnet
- ad then put bar magnet on cardboard
- add few iron filling and tap the cardboard
- we see the iron filling seems to make magnetic field lines
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The magnetic field lines are crowded at some regions and this indicates the strong magnetic field of attraction in the bar magnet.
Explanation:
- The north pole and the south pole are identified when the closed magnetic lines moves inwards and outwards.
- If the magnetic field lines are moving inwards, then it will be south pole of the bar magnet.
- If the magnetic field lines are moving outwards, it indicates the north pole of the bar magnet.
- An the field lines are closer and parallel, this indicates that the strength of the magnetic field is uniform throughout the magnet.
- An example for such field lines are observed are the Earth's magnetic field.
To know more:
1) What are magnetic field lines ? List three characteristics of these lines. Describe in brief an activity to study the magnetic field lines due to a current flowing in a circular coil?
https://brainly.in/question/671966.
2) How can a uniform magnetic field be obtained?
https://brainly.in/question/8422268
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