What is the ratio of electric and magnetic forces between two moving charges?

What is the ratio of electric and magnetic force between two moving charges.

The magnetic force acting on a moving charge is

What is the direction of magnetic force acting on a moving charge?

Two protons parallel to each other, keeping distane r between them, both moving with same velocity vecV Then the ratio of the electric is magnetic force of interaction between them is .

Two electrons move parallel to each other with equal speeds v. The ratio of magnetic and electrical forces between them is ______ .

Two electrons move parallel to each other with equal speed 'V' the ratio of magnetic & electric force between them is

Two electrons move parallel to each other with equal speed 'V' the ratio of magnetic & electric force between them is

Two electrons move parallel to each other with equal speed 'V' the ratio of magnetic & electric force between them is

Give the expression for the magnetic force on a moving charge in an uniform magnetic field. What will be the maximum magnetic force on the moving charge?