Artificial Magnets
Artificial Magnets: Overview
This Topic covers sub-topics such as Magnetization, Permanent Magnets and Electromagnets and, Ways to Destroy Properties of Magnet
Important Questions on Artificial Magnets
A magnet placed on plane has a magnetic field of its own around it ,which decreases on magnitude as _____ ?

The magnetisation and applied field in ferromagnetic materials are related-


A flywheel has a mass of 300kg and a radius of gyration of 1 m. It is given a spin of 100 r.p.m about its horizontal axis. The whole assembly rotates about a vertical axis at 6 rad/sec. The gyroscopic couple experienced will be

How can you destroy the magnetic properties of a magnet?



Why use electromagnets instead of permanent magnets?


What is the difference between electromagnets and permanent magnets?





What do you call the effect of splitting of a spectral line into several components in the presence of a static magnetic field?


Define electromagnet and permanent magnet in electric field?


Field lines of a permanent magnet go from north to south.

Which of the following electromechanical devices uses magnetism?
