2. Magnetic Effect of Current
Earth’s Magnetic Field
Earth’s Magnetic Field Earth Magnetism :
Earth behaves as a huge magnet (or a giant solenoid). The source of this huge magnetism is given as the molten charged metallic fluid giving rise to a current flowing inside the core of the earth. This core has a radius of about 3500 km
(earth’s radius is 6400 km)
. Some Associated Terms 1. South Magnetic Pole (S) :
It is near north geographical pole N. 2. North Magnetic Pole (N) :
It is near south geographical pole S.