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Field Of Uniformaly Charged Disc...

Field Of Uniformaly Charged Disc

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Find the electric potential at the axis of a uniformly charged disc and use potential to find the electric field at same point.

Using Gauss' law deduce the expression for the electric field due to uniformaly charged spherical conducting shell of radius R at point (i) outside ,and (ii) inside the shell. Plot a graph showing variation of electric field as a functions or r for r lt R and .(r being the distance from the centre of the shell).

Knowledge Check

  • A point charge placed on the axis of a uniformly charged disc experiences a force f due to the disc. If the charge density on the disc sigam is, the electric flux through the disc, due to the point charge will be

    A
    `(2 pi f)/(sigma)`
    B
    `(f)/(2 pi sigma)`
    C
    `(f^(2))/(sigma)`
    D
    `(f)/(sigma)`

  • A charge q is placed at the some distance along the axis of a uniformly charged disc of surface cahrge density sigma . The flux due to the charge q through the disc is phi . The electric force on charge q exerted by the disc is

    A
    `sigma phi`
    B
    `(sigma phi)/(4pi)`
    C
    `(sigma phi)/(2pi)`
    D
    `(sigma phi)/(3 pi)`

  • At which distance along the centre axis of a uniformaly charged plastic disc of radius R is the magnitude of the electric field equal to one-half the magnitude of the field at the centre of the surface of the disc ?

    A
    `(R)/(sqrt2)`
    B
    `(R)/(sqrt3)`
    C
    `sqrt2R`
    D
    `sqrt(3R)`

    • Similar Questions

    Explore conceptually related problems

    Calculate electric field at a point on axis, which at a distance x from centre of uniformly charged disc having surface charge density sigma and R which also contains a concentric hole of radius r.

    Sketch the electric field lines for a uniformaly charged hollow cylinder shown in figure.

    Using Gauss's law derive an expression for the electric field at any point outside a uniformaly charged thin spherical shell of radius R and charge density sigma C//m^(2) . Draw the field lines when the charges density of the sphere is (i) positive (ii) negative. (b) A uniformly charged conducting sphere of 2.5 m in diameter has a surface charge density of 100 mu C //m^(2) Calculate the (i) charge on the sphere (ii) total electric flux passing through the sphere.

    Electric field at a point near a uniformaly charged infinite plane sheet having surface density of charge sigma is given as E= ________________

    Electric field 'E' at a point situated at a normal distacne 'r' from an infinitely long uniformaly charged straight were is proportional to

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