Uniform E ⇒ uniform acceleration. Here, we will consider that we have: Particle Motion in Electric and Magnetic Fields Considering E and B to be given, we study the trajectory of particles under the influence of Lorentz force F = q (E + v ∧ B) (2.1) 2.1 Electric Field Alone dv m = qE (2.2) dt Orbit depends only on ratio q/m. The velocity of the charged particle after time t is = (EQ/m)t if the initial velocity is zero. 2.1 Introduction Chapter 2: Single Particle Motion 2.1 Introduction A plasma moves in self-consistent electric and magnetic fields, i.e. The expected behaviour is that the electric field will introduce a drift, while the magnetic field will just make the particles loop around the field lines. This is true for all motion, not just charged particles in electric fields. Electric field lines are generated on … In one-dimension z, E … If a charged particle of charge Q is placed in an electric field of strength E, the force experienced by the charged particle = EQ. a superposition of the self fields produced by the plasma under study and the prescribed fields from external sources (if any).The plasma motion and the fields are governed by a set of coupled Uniform electric fields This is the most common type of electric field in HSC Physics questions. As an example, let us investigate the motion of a charged particle in uniform electric and magnetic fields that are at right angles to each other. Determining the final velocity of a particle within an electric field. Motion of Charged Particle in Electric Field. The field lines will just show the direction of acceleration, but just because acceleration is in some direction doesn't mean the particle moves in that direction. An electric field may do work on a charged particle, while a magnetic field does no work. It is also the easiest to work with, as the field lines are always parallel straight lines (between the plates) and their density is evenly distributed in that region, which means that the strength of the electric field between the two plates is also constant. Figure 4.3: The orbit in 3-D for a charged particle in uniform electric and mag-netic fields. 4.3 Time Varying Fields 4.3.1 Slowly varying electric field When we later consider wave motions in plasma, the electric field will vary with time, and unlike the static case, a polarization current can flow. Contributor; The force on a charged particle in an electric and a magnetic field is \[\textbf{F} = q(\textbf{E} +\textbf{v} \times \textbf{B})\]. The Lorentz force is the combination of the electric and magnetic force, which are often considered together for practical applications. The acceleration of the charged particle in the electric field, a = EQ/m. Of course if the charge starts at rest in a uniform field then the charge will move with the field lines. The particle placed within the field (in this case a proton), will accelerate in the same direction as the force which can be determined by looking at the direction of the electric field lines (and whether the charge is positively or negatively charged).