A light charged particle is revolving in a circle of radius 'r' in electrostatic attraction of a static heavy particle with opposite charge. How does the magnetic field 'B' at the centre of the circle due to the moving charge depend on 'r' ?

Why charged particle attracts light particles ?

A charged particle of mass m is moving with a speed u in a circle of radius r. If the magnetic field induction at the centre is B, the charge on the particle is

A charged particle of mass m is moving with a speed u in a circle of radius r. If the magnetic field induction at the centre is B, the charge on the particle is

A charged particle is moving in a uniform magnetic field. Then ______ .

A charged particle of mass m_(1) and charge q_(1) is revolving in a circle of radius r .Another charged particle of charge q_(2) and mass m_(2) is situated at the centre of the circle.If the velocity and time period of the revolving particle be v and T respectively then

A charged particle of mass m_(1) and charge q_(1) is revolving in a cricle of radius r. another charged particle of charge q_(2) and mass m_(2) is situated at the centre of the circle. If the velocity and time period of the revolving particle be v and T respectively, then,

Can a static magnetic field change the momentum of a moving charged particle?