A charge is placed in front of an infinite sheet of charge where the electric field
acting on a given point is constant. Then what happens to the total electric field
acting on the charge, if we go on adding such sheets at the opposite side of the
charge.
Answers
Answer:
The force exerted by a charged particle on another charged particle depends on their separation distance, on their velocities and on their accelerations. In this Chapter we will consider the special case in which the source charges are stationary.
The electric field produced by stationary source charges is called and electrostatic field. The electric field at a particular point is a vector whose magnitude is proportional to the total force acting on a test charge located at that point, and whose direction is equal to the direction of the force acting on a positive test charge. The electric field , generated by a collection of source charges, is defined as
where is the total electric force exerted by the source charges on the test charge Q. It is assumed that the test charge Q is small and therefore does not change the distribution of the source charges. The total force exerted by the source charges on the test charge is equal to
The electric field generated by the source charges is thus equal to
In most applications the source charges are not discrete, but are distributed continuously over some region. The following three different distributions will be used in this course:
1. line charge λ: the charge per unit length.
2. surface charge σ: the charge per unit area.
3. volume charge ρ: the charge per unit volume.
Answer:
bdganv gwknavsdayaoobs sbiaijsvha