magnetism

Related Questions

• 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 : ($\mu _o = 4\pi \times 10^{-7} T-m/A$)

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• The time period of oscillation of a freely suspended bar magnet with usual notations is given by

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• A bar magnet is placed north-south with its north pole due north. The points of zero magnetic field will be in which direction from the centre of the magnet

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• At two places A and B using vibration magnetometer, a magnet vibrates in a horizontal plane and its respective periodic time are 2 sec and 3 sec and at these places the earth's horizontal components are $H_A$ and $H_B$ respectively. Then the ratio between $H_A$ and $H_B$ will be

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• Magnetic lines of force due to a bar magnet do not intersect because

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