How will the direction of force be changed, if the current is reversed in the conductor placed in a magnetic field?

State the unit of magnetic field in terms of the force experienced by a current carrying conductor placed in a magnetic field.

A current flows through a wire in a south to north direction and the magnetic field is directed downwards. In what direction will the force act on the wire?

A proton moving towards East enters in a uniform magnetic field directed downwards. Find the direction of the force acting on it.