A freely suspended magnet oscillates with period T in earth

Last updated: 6/13/2023

A freely suspended magnet oscillates with period T in earth s horizontal magnetic field When the bar magnet is brought near it such that magnetic field created by bar magnet is in same direction as earth s horizontal magnetic field the period decreases to T 2 The ratio of the field of the magnet B to the earth s magnetic field BH 1 1 3 2 1 1 3 3 1 4 9 1