Its not that simple. See here!two proton beams going in same direction repel each other
The cause of a magnetic field due to current is the flow of electric charges, such as electrons, through a wire or other conductive material. As these charges move, they create a circular magnetic field around the wire.
The direction of the magnetic field due to current is perpendicular to the direction of the current flow. This means that if the current is flowing vertically, the magnetic field will be horizontal.
The strength of the magnetic field due to current is directly proportional to the strength of the current. This means that as the current increases, the magnetic field also increases.
The strength of the magnetic field due to current decreases as the distance from the wire increases. This is because the magnetic field spreads out as it gets further away from the wire.
The right-hand rule is used to determine the direction of the magnetic field due to current. If you point your thumb in the direction of the current, your fingers will curl in the direction of the magnetic field.