This is exactly similar to the one in Electrostatics.

Solved Problem

1. A bar magnet is laid with its parallel to horizontal component _H of earth's magnetic field. If neutral point is found at distance of 20 cm from the center, and the bar magnet is short then find its dipole moment. Given

Solution

[next page]

Index

Magnetism

20.1 Coulomb's Law
20.2 Magnetic Field
20.3 Torque on a bar-magnet
20.4 Gauss's Law

Chapter 21