Question:

If a magnetic substance is kept in a magnetic field then which of the following substances is thrown out ?

Updated On: Jul 13, 2024
  • Paramagnetic
  • Ferromagnetic
  • Diamagnetic
  • Antiferromagnetic
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The Correct Option is C

Solution and Explanation

Magnetic substance when kept in a magnetic field is feebly repelled or thrown out if the substance is diamagnetic. This happens because the substance is feebly magnetised in the direction opposite to that of the field. The susceptibility of diamagnetic substance is negative. Paramagnetic substances are feebly attracted by a magnetic
Ferromagnetic substances are strongly attracted by a magnet
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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.

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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.