Question:
If a diamagnetic substance is brought near the north or the south pole of a bar magnet, it is
If a diamagnetic substance is brought near the north or the south pole of a bar magnet, it is
Updated On: Jul 18, 2024
- Repelled by the north pole and attracted by the south pole
- Attracted by the north pole and repelled by the south pole
- Attracted by both the poles
- Repelled by both the poles
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The Correct Option is D
Solution and Explanation
As diamagnetic substances have negative intensity of magnetisation, they are weekly repelled by the external field.
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Concepts Used:
Magnetism & Matter
Magnets are used in many devices like electric bells, telephones, radio, loudspeakers, motors, fans, screwdrivers, lifting heavy iron loads, super-fast trains, especially in foreign countries, refrigerators, etc.
Magnetite is the world’s first magnet. This is also called a natural magnet. Though magnets occur naturally, we can also impart magnetic properties to a substance. It would be an artificial magnet in that case.
Read More: Magnetism and Matter
Some of the properties of the magnetic field lines are:
- The lines and continuous and outside the magnet, the field lines originate from the North pole and terminate at the South pole
- They form closed loops traversing inside the magnet.
- But here the lines seem to originate from the South pole and terminate at the North pole to form closed loops.
- More number of close lines indicate a stronger magnetic field
- The lines do not intersect each other
- The tangent drawn at the field line gives the direction of the field at that point.