Electric field on the axis of the ring = kxQr/ (y2 + r2)3/2
where y is distance from the center of the ring , r is the radius of the ring.

A positively charged disk of radius R and total charge Qsi lies in the xz plane,...
A positively charged disk of radius R and total charge Qdisk lies in the xz plane, centered on the y axis (see figure below). Also centered on the y axis is a charged ring with the same radius as the disk and total charge Qring. The ring is a distance d above the disk. Determine the electric field at the point P on the y axis, where P is above the ring a distance y from the origin. (Use any...
A positively charged disk of radius R-0.0276 m and total charge 53.8 HC lies in the xz plane, centered on the y axis (see figure below). Also centered on the y axis is a charged ring with the same radius as the disk and a total charge of -35.1 HC. The ring is a distance d-0.0050 m above the disk. Determine the electric field at the point P on the y axis, where P is y 0.0100 m above the...
A positively charged disk of radius R0.0276 m and total charge 53.8 HC lies in the xz plane, centered on the y axis (see figure below). Also centered on the y axis is a charged ring with the same radius as the disk and a total charge of -35.1 HC. The ring is a distance d - o.oo5o m above the disk. Determine the electric field at the point P on the y axis, where P is y 0.0100 m...
A disk of radius R = 7.52 cm, is centered at the origin and lies along the y–z plane. The disk has a surface charge density σ = 3.11 × 10-6 C/m2. Evaluate the electric field produced by this disk along the x axis at point P = (1.55 m, 0.00 m). The Coulomb force constant k = 1/(4π ε0) = 8.99 × 109 N·m2/C2.
A disk of radius R = 9.54 cm, is centered at the origin and lies along the y–z plane. The disk has a surface charge density σ = 4.07 × 10-6 C/m2. Evaluate the electric field produced by this disk along the x axis at point P = (1.01 m, 0.00 m). The Coulomb force constant k = 1/(4π ε0) = 8.99 × 109 N·m2/C2.
Fully Worked solution with
explanation
A disk of radius R in the xz plane has total charge Q
distributed non-uniformly on it
A disk of radius R in the xz plane has total charge Q distributed non-uniformly on it?s surface as described by charge density: sigma = Cr2 . 1. Find the constant C. 2. Calculate the electric field by integrating over the charge distribution. 3. Find the potential a fixed distance of y from the center of the disk....
A ring with radius R and a uniformly distributed total charge Q lies in the xy plane, centered at the origin. (Figure 1) Part B What is the magnitude of the electric field E on the z axis as a function of z, for z >0?
In the figure is shown a distribution of three charges: A positively charged ring of charge +Q and radius R, lying in the x-y-plane centered on the origin. A small positively charged sphere with the same charge as the ring, +Q, and sitting on the y-axis at x = 0, y = R, z = 0. A negatively charge point charge, -q, sitting on the z-axis a distance d from the origin. Calculate the magnitude of the total force on...
A uniformly distributed annular disk of charge lies in the z=0 plane, centered at the origin and with inner and outer radii of a and b. Find the electric field intensity along the z-axis.
A charged disk and a charged ring are centered at the origin in the free space as shown in figure 4. Bothe changed elements exists in the xy plane. The disk has a radius a and carries a uniform surface charge density of Ps. The ring has a radius 2a and carries a uniform line charge density Pe. Find the following: a) The electric field intensity on z-axis and determine where the electric field is zero b) The electric potential...