Magnetism and Matter questions
398 published questions with worked solutions.
- The magnetic induction B and the force F on a pole m are related byNot in JEE Advanced syllabus
- Magnetic field intensity due to a dipole varies as x^n, where n isNot in JEE Advanced syllabus
- A steel wire of length 'l' has a magnetic moment 'M'. It is bent in 'L' shape having equal size of arm. The new magnetic moment isNot in JEE Advanced syllabus
- For an isotropic medium, B, , H and M_z are related as (where B, _0, H and M_z have their usual meaning in the context of...Not in JEE Advanced syllabus
- Relative permeability of iron is 5500, then its magnetic susceptibility will beNot in JEE Advanced syllabus
- A magnet of magnetic moment 3 A ,m^2 weighs 75 g. The density of the material of the magnet is 7500 kg/m^3 . What is the...Not in JEE Advanced syllabus
- The space within a current carrying toroid is filled with tungsten of susceptibility 6.8 10^ -5 . The percentage increase in the...Not in JEE Advanced syllabus
- The susceptibility of a paramagnetic substance was found for different temperatures and a graph of against 1 T was plotted. From...Not in JEE Advanced syllabus
- A domain in a ferromagnetic substance is in the form of a cube of side length 1 . If it contains 8 10^ 10 atoms and each atomic...Not in JEE Advanced syllabus
- What is the magnetization of a bar magnet having length 6 cm and area of cross section 5 cm^2 ? (M = 1 A ,m^2 )Not in JEE Advanced syllabus
- The susceptibility of a magnetic material is at 127 ^ . At what temperature will its susceptibility be reduced to half of its...Not in JEE Advanced syllabus
- A bar magnet is held perpendicular to a uniform magnetic field. If the couple acting on the magnet is to be halved by rotating...Not in JEE Advanced syllabus
- A bar magnet of length 10 cm and having the pole strength equal to 10^ -3 weber is kept in a magnetic field having magnetic...Not in JEE Advanced syllabus
- Relative permeability of iron is 5500, then its magnetic susceptibility will be [K CET 2000, Kerala PMT 2004]Not in JEE Advanced syllabus
- The magnetic susceptibility of paramagnetic materials is [K CET 2014]Not in JEE Advanced syllabus
- A susceptibility of a certain magnetic material is 400. What is the class of the magnetic material [J & K CET 2008]Not in JEE Advanced syllabus
- Magnetic permeability is maximum for [AIIMS 2000, MH-CET 2003, D PMT 2003]Not in JEE Advanced syllabus
- There are four light-weight-rod samples, A, B, C, D separately suspended by thread. A bar magnet is slowly brought near each...Not in JEE Advanced syllabus
- Magnets cannot be made from which of the following substances?Not in JEE Advanced syllabus
- The relative permeability is represented by _r and the susceptibility is denoted by for a magnetic substance. Then for a...Not in JEE Advanced syllabus
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