When is the force experienced by a current carrying conductor placed in a magnetic field, the largest?

Derive an expression for the force experienced by a current carrying conductor placed in a magnetic field. Under what condition the force is zero or maximum ?

The direction of force experienced by a current carrying conductor placed in a magnetic field is given by

Under what conditions, force experienced by a current carrying straight conductor placed in a magnetic field is zero

state the rule to determine the direction of a force experienced by a current-carrying straight conductor placed in a magnetic field which is perpendicular to it, and

Derive an expression for force experienced by a current carrying straight conductor placed in a magnetic field. How can we find the direction of force ?