A thin, flat ring with inner radius R1 and outer radius R2 is uniformly charged on one side with a surface charge density σ > 0.  Calculate the magnitude of the electric field at P, in newtons per coulomb, for the charged disk described. Use the parameter values of R2 = 0.23 m, σ = 0.24 × 10-4 C/m2, and h = 0.15 m.

A solid insulating sphere of radius R =5.00 cm has a non-uniform charge density p = Por2, where r is measured from the center of the sphere and po is constant. Concentric with this sphere is a conducting spherical shell with inner radius a = 7.00 cm and outer radius b = 9.00 cm, having a net charge q = -1.00 µC. a) Find the value for the constant po (including units), given that the total charge on the insulating sphere is Q = 4.00 nC. Be sure to first derive expression in symbolic form in terms of Q, R. Box both the symbolic expression and the final answer. b) Derive an expression for electric field forr b. Box it. e) Draw an E vs. r graph and show the values for E at distances R, a, b.

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

An infinite sheet of charge is located in the y-z plane at x = 0 and has uniform charge denisity o1 = 0.62 µC/m². Another infinite sheet of charge with uniform charge density o2 = -0.29 µC/m² is located at x = c = 33 cm.. An uncharged infinite conducting slab is placed halfway in between these sheets ( i.e., between x = 14.5 cm and x = 18.5 cm). d a/2 a/2| a/2 1) What is Ex(P), the x-component of the electric field at point P, located at (x,y) = (7.25 cm, 0)? N/C Submit 2) What is oa, the charge density on the surface of the conducting slab at x = 14.5 cm? | µC/m² Submit 3) What is V(R) - V(P), the potentital difference between point P and point R, located at (x,y) = (7.25 cm, -18.5 cm)? Submit 4) What is V(S) - V(P), the potentital difference between point P and point S, located at (x,y) = (25.75 cm, -18.5 cm)? V submit + 5) What is Ex(T), the x-component of the electric field at point T, located at (x,y) = (40.25 cm, -18.5 cт)? N/C Submit R.

A uniformly charged disk with radius R = 45.0 cm and uniform charge density & = 6.70 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

A horizontal charged disk has a radius of 0.06 m and a uniform surface charge density of p, = 2.34 x 10 C/m². It is centered on the z axis and is located 0.2 m below the xy plane. A point charge of Q = 1 μC is located at the origin. Calculate the force acting on the disk as a result of the electric field intensity produced by the point charge.

The figure shows a closed Gaussian surface in the shape of a cube of edge length 2.6 m, with one corner at x, = 4.8 m,y = 3.9 m. The cube lies in a region where the electric field vector is given by E = -2,41-3.8 y +2.4 k N/C, with y in meters. What is the net charge contained by the cube? Number i 6.3836 Units

A solid sphere of radius a is concentric with a hollow sphere of radius b, where b > a. If the solid sphere has a uniform charge distribution totaling +Q and the hollow sphere a charge of –Q, the electric field at radius r, where r < a, is which of the following, in terms of k = (4π∈0)–1? Choose the correct answer. kQ/b2 zero kQ/a2 kQr/a3 kQ/r2