What should be the minimum magnitude and direction of the magnetic field that must be produced at the equator of - Physics - Magnetism And Matter

Question

What should be the minimum magnitude and direction of the magnetic
field that must be produced at the equator of the earth so that a
proton may go round the earth with a speed of 10^7 m/sec? Earth's
radius is taken as 6400 Km

Chandra Prakash · Accepted Answer

dear stdent
centripetal force must be provided by the magnetic force due to
field

What should be the minimum magnitude and direction of the magnetic field that must be produced at the equator of the earth so that a proton may go round the earth with a speed of 10^7 m/sec? Earth's radius is taken as 6400 Km.