A very long, thin wire has a uniform linear charge density of 50 µC/m. What is the magnitude of the electric field 2.0 cm from the axis of the wire?
A long cylinder of aluminum of radius 0.25 meters is charged so that it has a uniform charge per unit length on its surface of C/m. A point is located along a line normal to the cylinder’s axis, 0.15 m from the axis.
What is the magnitude of the electric field at point ?
What is the electric potential at point ?
The linear charge density of the thin semicircular wire shown is 0.030 C/m. The wire forms an arc with radius . What is the magnitude of the electric field at the point ?
The semicircle of thin wire shown in the diagram has a radius and the charge per unit length of the wire is 0.0063 C/m. What magnitude of electric force is exerted by the wire on a point particle with charge that is located at the center of the semicircle?
A thin rod has a linear charge density of 0.0022 C/m. What is the magnitude of the electric force on the point charge , knowing that and ?
A infinite silver rod of radius 5.0 cm has a charge of on its surface.
Find the magnitude of the electric field at a point 9.5 cm from the center of the rod.
Find the magnitude of the electric field at a point 4.8 cm from the center of the rod.