Physics, 24.09.2019 03:30 290000992

Avery long, uniformly charged cylinder has radius r and linear charge density λ. find the cylinder's electric field strength outside the cylinder,
r≥r
. give your answer as a multiple of
λ/
ε
0

Answers: 1

Show answers

Answers

The electric field of cylinder at a distance more than radius of cylinder is equal to $\boxed{E=\dfrac{\lambda}{2\pi\epsilon_0r}}}$ .

Further Explanation:

Gauss law states that net electric flux through any closed surface is equal to $\dfrac{1}{\epsilon_0}$ times the net electric charge within that closed surface. The hypothetical closed surface is name as Gaussian surface. The electric flux also defined as the total electric field lines, which passes through a surface area of any closed curve.

Given:

The linear charge density of cylinder is $\lambda$ .

Concept:

Consider the length of the cylinder is .

Charge on curved surface of cylinder is $\lambda L$ .

For a Gaussian curve in the shape of a concentric cylinder (with a radius more than the radius of charged cylinder) we can write gauss law as:

$\phi=\dfrac{q}{\epsilon_0}$

Substitute $\lambda L$ for in above equation.

$\phi=\dfrac{\lambda L}{\epsilon_0}$ …… (I)

Here, $\phi$ is the Electric flux and $\epsilon_0$ is the permittivity of vacuum.

Since the electric field is constant for a given distance from the axis of the cylinder we can write that:

$\phi=E2\pi rL$ …… (II)

Here, is the electric field of charge on cylinder, is the height or length of curved surface and is the radius of Gaussian cylindrical curve.

On equating the equation (I) and equation (II) and Rearranging it for :

$\boxed{E=\dfrac{\lambda}{2\pi\epsilon_0r}}}$

Thus, the electric field of cylinder at a distance more than radius of cylinder is equal to $\boxed{E=\dfrac{\lambda}{2\pi\epsilon_0r}}}$ .

Learn more:

1. Threshold frequency of photoelectric surface: link

2. Find the odd one out for lever: link

3. Volume of gas after expansion: link

Answer Details:

Grade: College

Subject: Physics

Chapter: Electrostatics

Keywords:

Very long, uniformly charged cylinder, radius R, linear charge density λ, cylinder, electric field strength, gauss law, net electric charge and distance r from the axis of the cylinder.

Avery long, uniformly charged cylinder has radius r and linear charge density λ. find the cylinder's

Answer from: Quest

Is there a picture to go along with this

Answer from: Quest

If football was tossed in air without gravity or friction the ball would go into space

Other questions on the subject: Physics

Physics, 22.06.2019 02:00, robert7248

An object has a weight of 500 on earth what is the mass of this object

Answers: 1

continue

Physics, 22.06.2019 05:10, linnialmira

A26 cm object is 18 cm in front of a plane mirror. a ray of light strikes the object and is reflected off the mirror at a 42-degree angle. what is the angle of reflection? degrees what type of image is formed? what is the size of the image? cm

Answers: 2

continue

Physics, 22.06.2019 15:30, Pbaer4861

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87

Answers: 1

continue

Physics, 22.06.2019 15:30, tiffuuu

At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.

Answers: 1

continue

You know the right answer?

Avery long, uniformly charged cylinder has radius r and linear charge density λ. find the cylinder's...