A very large nonconducting plate lying in the xyplane carries a charge per unit area of s. A second such plate located at z = 2.00 cm and oriented parallel to the xy -plane carries a charge per unit area of −2σ. Find the electric field (a) for z 0, (b) 0 <z 2.00 cm, and (c) z > 2.00 cm.

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.

A solid conducting sphere of radius 2.00 cm has a charge 17.00 µC. 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 total charge of -6.00 µC. (Take radially outward as the positive direction.) (a) Find the electric field at r = 1.00 cm from the center of this charge configuration. MN/C (b) Find the electric field at r = 3.00 cm from the center of this charge configuration. MN/C (c) Find the electric field at r = 4.50 cm from the center of this charge configuration. MN/C (d) Find the electric field atr = 7.00 cm from the center of this charge configuration. MN/C

A uniformly charged disk with radius R = 40.0 cm and uniform charge density = 8.90 x 10-3 C/m² lies in the xy-plane, with its center at the origin. What is the electric field (In MN/C) due to the charged disk at the following locations? (a) z = 5.00 cm (b) z 10.0 cm (c) z = 50.0 cm™ (d) z 200 cm MN/C MN/C MN/C MN/C