1) (a) A conducting sphere of radius R has total charge Q, which is distributed uniformly on its surface. Using Gauss's law, find the electric field at a point outside the sphere at a distance r from its center, i.e. with r > R, and also at a point inside the sphere, i.e. with r < R.
(b) A charged rod with length L lies along the z-axis from x= 0 to x = L and has linear charge density λ(x) = cx, with c a positive constant. Calculate the electric potential at a point P with (x, y) coordinates (0,3L) by direct integration. You may find the following result useful: ∫xdx/√(x2+a2) = √(x2+a2) with a a constant.
(a) A conducting sphere of radius R has total charge Q, which is distributed uniformly on its surface.
An electric charge Q is distributed uniformly throughout a non-conducting sphere of radius r0, See Fig. below. Using the Gauss's law, determine the electric field: a) Outside of sphere (r0>r). b) Inside the sphere (r0<r).
1. A hollow conducting sphere of radius R has a charge Q placed on its surface. A point charge Q1 is placed at a distance d> R from the center of the sphere. a) Using the method of superposition, find a combination of two image charges inside the sphere that result in the correct electric field and potential outside the sphere. b) What is the force between the sphere and the point charge? What is the force whern 0, and...
An isolated thin spherical conducting shell of radius R has charge Q uniformly distributed on its surface. Write the results in terms of k, Q and R. (a) Find the electric field at a distance, r = 2R from the center of the sphere. (b) What is the electric field at the center of the conducting sphere? What is the electric field inside the conducting sphere? Please explain the steps and formuals. Mandatory !!!
A sphere has a total charge Q uniformly distributed over its volume. The field inside the sphere at a radius r is given by Er= k (Q/R^3) r (a) What is the electric field at a radius r from the center of the sphere, where r > R (i.e outside of the sphere)? (b) Write down an expression for the electric potential at a radius r for r > R (i.e. outside of the sphere). (c) What is the electric...
2. Gauss' Law See Figure 1. A solid, conducting sphere of radius a has total charge (-)2Q uniformly distributed along its surface, where Q is positive. Concentric with this sphere is a charged, conducting spherical shell whose inner and outer radii are b and c, respectively. The total charge on the conducting shell is (-)8Q. Find the electric potential for r < a. Take the potential out at infinity to be 0.
Problem 8 A positive charge is uniformly distributed through an insulating sphere of radius R. The point P that is located a distance r from the center of the sphere. (i) Determine the electric field when the point P is inside the sphere (r < R). (ii) Determine the electric field when the point P is outside the sphere (r > R). (iii) Plot the magnitude of the electric field as a function of r.
A conductive sphere has a total charge Q uniformly distributed over its surface except at a point A, where there is no charge. Assuming that the point A has a 1/50 of the total area of the sphere. a) find an expression for the total electric field of the system on the axis between the center of the sphere and the center of the point A. b) calculate the electric filed at points r = 0, r = 0.9R, r...
Problem 8 A positive charge is uniformly distributed through an insulating sphere of radius R. The point P that is located a distance r from the center of the sphere. (i) Determine the electric field when the point P is inside the sphere (r < R). (i) Determine the electric field when the point P is outside the sphere (r> R). (iii) Plot the magnitude of the electric field as a function of r.
#1 and #3 I) )A solid insulating sphere of radius a carries a net positive charge density 3p uniformly distributed throughout its volume. A conducting spherical shell of inner radius 2a and outer radius 3a is concentric with the solid sphere and carries a net charge density-22 Using Gauss's law, find the electric field everywhere. Sketch the electric field 2) "A) The current density in a cylindrical wire of radius R meters is uniform across a cross section of the...
A non-uniformly charged sphere of radius R has a total charge Q. The electric field inside this charge distribution is described by E=Emax(r4 /R4 ), where Emax is a known constant. Using the differential form of Gauss’s law, find volume charge density as a function of r. Express your result in terms of r, R and Emax.