In a magnetic field, a conductor carrying current will experience what type of action?

When a conductor carrying current is placed in a magnetic field, it experiences a mechanical force due to the interaction between the magnetic field and the electric current. This phenomenon is described by the Lorentz force, which states that a force is exerted on a charged particle moving through a magnetic field. The direction of this force can be determined by the right-hand rule, which shows how the current, magnetic field, and force relate to each other.

The mechanical force is crucial in many applications, such as in electric motors, where the interaction between magnetic fields and current-carrying conductors generates motion. This is the basis for the operation of devices that convert electrical energy into mechanical energy.

While heating can occur due to resistance in the conductor, it is not the primary action described when discussing the magnetic field's impact on the current. Magnetic repulsion pertains more to interactions between like magnetic poles rather than the reaction of current-carrying conductors in a magnetic field. Lastly, a static charge refers to accumulated electric charge at rest, which is unrelated to the dynamic situation of current flowing through a conductor in a magnetic field. Therefore, the mechanical force is the correct concept that describes the action experienced by the conductor.