Electric Field between concentric cylinders

I wanted the electric field between concentric cylinders, and got anexpression using Gauss' Law that considers only charge enclosed. Thus, there was no influence due to the outer cylinder.
But, if we consider the limiting case of the inner cylinder having very large curvature and the outer cylinder not too far off from it..i.e a is very large and b is just larger than a.
I assume that then the electric field between the cylinders can be considered as a flat plate analogy, which gives some other answer of the field between(for flat plate analogy, the outer cylinder also supplies electric field but it had no influence watsoever when we considered the normal cases)...Please help. I cant figure out what's wrong.
And suppose now, I consider both the cylinders to be dielectrics. Does that affect the analysis? Will the Gauss' Law still be applicable? Will the field inside an infinitely long uniformly charged cylinder still be zero, and have no affect on the electric field between the Dielectrics??

  1. 👍 0
  2. 👎 0
  3. 👁 212
  1. Gauss Law applies, no matter if the inner surface is curved, or flat. It is the charge enclosed in the gaussian volume that affects the field through the gaussian surface.

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. physics

    Which of the following statements about electric field lines due to static charges are true? (Select all that apply.) Electric field lines can never cross each other. Static charges can create closed loop electric field lines that

  2. Physics

    (a) Find the electric field at x = 5.00 cm in Figure 18.52(a), given that q = 1.00X10^-6;C . (b) At what position between 3.00 and 8.00 cm is the total electric field the same as that for –2q alone? (c) Can the electric field be

  3. Physics

    A proton is moving parallel to a uniform electric field. The electric field accelerates the proton and increases its linear momentum to 5.0 10-23 kg m/s from 1.4 10-23 kg m/s in a time of 6.5 10-6 s. What is the magnitude of the

  4. physics

    explain the relationship between contours of constant potential and the electric field direction. why is the electric field a vector quantity while the electric potential is a scalar?

  1. science

    Which option most accurately defines Faraday’s law? A.Any change in the electric field over a conductor will produce an magnetic field inside a conductor. B.The voltage generated in a coil is inversely proportional to the number

  2. physics

    what kind of force field surrounds a stationary electric charge? What additional field surrounds it when it moves? "what kind of force field surrounds a stationary electric charge?" Electric field. "What additional field surrounds

  3. Thermodynamics- Fluids Mechanics

    The viscosity of a fluid is to be measured by a viscometer constructed of two 3-ft-long concentric cylinders. The inner diameter of the outer cylinder is 6 in, and the gap between the two cylinders is 0.05 in. The outer cylinder

  4. physics!

    An electric dipole consists of 2.0 g spheres charged to 5.0 nC (positive and negative) at the ends of a 12 cm long massless rod. The dipole rotates on a frictionless pivot at its center. The dipole is held perpendicular to a

  1. Physics

    A circular hoop of radius 0.60 m is immersed in a uniform electric field of 27.0 N/C. The electric field is at an angle of 30.0° to the plane of the hoop. Determine the electric flux through the hoop. (Enter the magnitude.) N ·

  2. science (physics)

    State gauss's theorem draw a graph showing the variation of electric field, as one moves from the centre of charge metal ball to a point on its surface and then to a far off outside point

  3. physics

    1. Suppose that the strength of the electric field about an isolated point charge has a certain value at a distance of 1 m. How will the electric field strength compare at a distance of 2 m from the point charge? I know it's At

  4. Physics

    A uniform electric field exists everywhere in the x, y plane. This electric field has a magnitude of 5600 N/C and is directed in the positive x direction. A point charge -9.6 × 10-9 C is placed at the origin. Find the magnitude

You can view more similar questions or ask a new question.