magnetism

Related Questions

• Which of the following statements are true about the magnetic susceptibility ${\chi _m}$ of paramagnetic substance

  ---

• Two identical bar magnets are placed on above the other such that they are mutually perpendicular and bisect each other. The time period of this combination in a horizontal magnetic field is T. The time period of each magnet in the same field is

  ---

• A small bar magnet has a magnetic moment $1.2 A-m^2$. The magnetic field at a distance 0.1 m on its axis will be : ($\mu _o = 4\pi \times 10^{-7} T-m/A$)

  ---

• For an isotropic medium B, ?, H and M are related as (where $B,\,\,{\mu _0},\,\,H$ and M have their usual meaning in the context of magnetic material

  ---

• A frog can be deviated in a magnetic field produced by a current in a vertical solenoid placed below the frog. This is possible because the body of the frog behaves as

  ---