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प्रश्न
Answer the following.
Why is it not possible to isolate a single magnetic pole?
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उत्तर
Magnetic poles always exist in pairs and cannot exist independently. If a bar magnet is broken into two or more pieces, each of them will have a north pole and a Southpole. Hence, it is impossible to obtain a piece of the magnet with only one magnetic pole.
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संबंधित प्रश्न
What is a magnetic compass ? State its use.
Define the following term regarding a bar magnet:
Magnetic equator
Select the correct option:
The place around a magnet where its influence can be detected is called:
Draw lines of force surrounding a bar magnet when it is placed in the magnetic meridian with its north pole pointing geographic south.
The figure shows a freely suspended magnet in the rest position. Copy the diagram and on its show:
- Angle of declination
- Angle in dip
State three important properties of a magnet.
Explain the following:
Resistance of a conductor
What will happen when we place magnets near cell phones, computers, and DVDs?
