A charge of 6.00 pC is spread uniformly throughout the volume of a sphere of radius r=4.00 cm.What is the magnitude of the electric field at a radial distance of (a) 6.00 cm and (b) 3.00 cm?

The figure is a section of a conducting rod of radius R₁ = 1.50 mm and length L = 12.10 m inside a thin-walled coaxial conducting cylindrical shell of radius R₂ = 11.8R₁ and the (same) length L. The net charge on the rod is Q₁ = +3.62 × 10-12 C; that on the shell is Q2 = -2.0501. What are the (a) magnitude E and (b) direction (radially inward or outward) of the electric field at radial distance r = 2.13R₂? What are (c) E and (d) the direction at r = 5.12R₁? What is the charge on the (e) interior and (f) exterior surface of the shell? R₂ R₁

An infinite conducting cylindrical shell has radius 0.45 m and surface charge density 1.6 μC/m2. What is the magnitude of the electric field, in newtons per coulomb, 1.1 m from the axis of the cylinder?

Charge is distributed uniformly throughout the volume of a large insulating cylinder of radius 25.1 cm. The charge per unit length in the cylindrical volume is 13.9 nC/m. Determine the magnitude of the electric field at a distance 14.4 cm from the central axis.

In the figure a thin glass rod forms a semicircle of radius r = 5.94 cm. Charge is uniformly distributed along the rod, with +q = 4.76 pc in the upper half and -q = -4.76 pC in the lower half. What is the magnitude of the electric field at P, the center of the semicircle? Number i Units + P

Charge of uniform surface density 8.11 nC/m2 is distributed over an entire xy plane; charge of uniform surface density 3.03 nC/m² is distributed over the parallel plane defined by z = 2.18 m. Determine the magnitude of the electric field at any point having a z coordinate of (a)1.29 m and (b)3.18 m. (a) Number i Units (b) Number i Units

Charge is distributed uniformly throughout the volume of an infinitely long cylinder of radius R = 3.00×10-2 m. The charge density is 4.00×10-2 C/ m3. a)What is the electric field at r = 1.50×10-2 m?  b)What is the electric field at r = 6.00×10-2 m?

A solid conducting sphere of radius 2.00 cm has a charge of 7.66 ?C. A conducting spherical shell of inner radius 4.00 cm and outer radius 5.00 cm is concentric with the solid sphere and has a charge of −2.84 ?C. Find the electric field at the following radii from the center of this charge configuration. find magnitude N/C and direction for all please. (a)    r = 1.00 cm (b)    r = 3.00 cm (c)    r = 4.50 cm (d)    r = 7.00 cm