Electron Gun
The electron gun in a television tube is used to accelerate electrons from rest to 3.0 x 10 m/s within a distance of 2.0 cm. What electric field is required? Should the electric field be in the same or opposite direction of the electrons motion?
Related Problems
Two objects, whose charges are +3 nC and -2 nC, are separated by 1.0 mm. Find the magnitude of the attractive force that either charge exerts on the other.
In the figure below, L = 1.0 mm, q = +3 nC, q = -2 nC, and q is +4 nC. Find the magnitude and direction of the net electrostatic force on q
What electric field (magnitude and direction) is needed to levitate a proton?m = 1.67 x 10 kg
The figure below shows a single dipole of charges 5 nC, with a distance s = 0.002 m between the poles. Point A is a distance, d = 0.1 m, and is perpendicular to the dipole. Point B is a vertical distance, d = 0.1 m, and is parallel to the dipole. Find the electric field at points A and B.
