Let radially outward direction be positive-electric field

Reference no: EM13535729

A -7-nC point charge is located at the center of a conducting spherical shell. The shell has an inner radius of 2 m, an outer radius of 4 m, and a charge of +7 nC. (Let the radially outward direction be positive.)

(a) What is the electric field at r = 1 m? (Indicate the direction with the sign of your answer.)

(b) What is the electric field at r = 3 m? (Indicate the direction with the sign of your answer.)

(d) What is the surface charge distribution, σ, on the outside surface of the shell? (Indicate the direction with the sign of your answer.)

Reference no: EM13535729

Questions Cloud

What is the period of the wave and wave speed : A wave has a wavelength of 456m and a frequency of 200Hz. What is the period of the wave? What is the wave speed?

The packages initial speed equals the helicopters : A helicopter is ascending vertically with a speed of 5.73m/s . At a height of 114m above the Earth, a package is dropped from a window. How much time does it take for the package to reach the ground? [Hint: The package's initial speed equals the hel..

What is the charge distribution : An infinitely long charged wire produces an electric field of magnitude 1.15 103 N/C at a distance of 51.0 cm perpendicular to the wire. The direction of the electric field is toward the wire. What is the charge distribution?

Calculate the lagrangian of the system : A particle of mass m moves inside a bowl. if the surface of the bowl is given by the equation z=(a/2)(x2+y2), where a is the constant , calculate the Lagrangian of the system

Let radially outward direction be positive-electric field : A -7-nC point charge is located at the center of a conducting spherical shell. The shell has an inner radius of 2 m, an outer radius of 4 m, and a charge of +7 nC. (Let the radially outward direction be positive.) What is the electric field at r = ..

Determine the linear charge distribution on the rod : A 28.2-cm-long uniformly charged rod is sealed in a container. The total electric flux leaving the container is 1.47 106 N m2/C. Determine the linear charge distribution on the rod.

What is magnitude of electric field perpendicular distance : A total of 3.02 106 electrons are placed on an initially uncharged wire of length 1.45 m. What is the magnitude of the electric field a perpendicular distance of 0.400 m away from the midpoint of the wire?

What is the electric field on the axis of the washer : A thin, flat washer is a disk with an outer diameter of 14 cm and a hole in the center with a diameter of 2 cm. The washer has a uniform charge distribution and a total charge of 8 nC. What is the electric field on the axis of the washer at a distanc..

Find the current amplitude in the resistor : A 400 ohm resistor and a 6.00 uf capacitor are connected in parallel to and AC generator that supplies a voltage of amplitude 310 V at an angular frequency 57.3 Hz. Find the current amplitude in the resistor.

User Account

All Pages