physique chimie college lycee
LAPLACE RAILS

 

LORENTZ FORCE | LAPLACE RAILS

RIGHT HAND RULE

 

 

Description: Laplace force acting on a conducting bar in rectilinear translation on two parallel rails (Laplace rails) in a uniform external magnetic field, stationary and orthogonal to the bar. Know the expression of the resultant of Laplace forces in the case of a conducting bar placed in a uniform and stationary external magnetic field. (Laplace force = result of all Lorentz forces undergone by charged particles in motion in an electromagnetic field.)

 

Definitions

Lorentz force: the force which is exerted by a magnetic field on a moving electric charge.

Laplace force: the force applied on a conductor traversed by an electric current, in a magnetic field.

 

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