WOLFRAM|DEMONSTRATIONS PROJECT

Charged Particle in Uniform Electric and Magnetic Fields

​
charge strength
0.05
B field magnitude
8
B field direction
E field magnitude
8
E field direction
initial speed
1
initial direction
The path of a charged and otherwise free particle in uniform electric and magnetic fields depends on the charge
q
of the particle and the electric and magnetic field strengths
E
and
B
. The force exerted on the particle is

F
=q

E
+

v


B

. The red cylinder is parallel to the electric field. The blue cylinder is parallel to the magnetic field. The green cylinder points in the direction of the initial velocity
v
of the particle.