Home
Class 12
PHYSICS
Two conducting plates X and Y, having la...

Two conducting plates X and Y, having large surface area A (on one side), are placed parallel to each other as shown in figure. The plate X is given a charge Q whereas the other is neutral. Find :
(a) The surface charge density at the inner surface of the plate X,
(b) The electric field at a point to the left of the plates,
(c) The electric field at a point in between the plates and
(d) The electric field at a point to the right of the plates.

Text Solution

Verified by Experts

The correct Answer is:
(a) `Q/(2A)` (b) `Q/(2 Aepsi_(0))` towards left
(c) `Q/(A epsi_(0))` towards right
(d) `Q/(2 A epsi_(0))` towards right
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • ELECTROSTATICS

    RESONANCE|Exercise Part - II Section (A)|4 Videos

  • ELECTROSTATICS

    RESONANCE|Exercise Part - II Section (B)|9 Videos

  • ELECTROSTATICS

    RESONANCE|Exercise Exercise-1 Section (I)|5 Videos

  • ELECTROMAGNETIC INDUCTION

    RESONANCE|Exercise A.l.P|19 Videos

  • EXPERIMENTAL PHYSICS

    RESONANCE|Exercise PART -II|10 Videos

Similar Questions

Explore conceptually related problems

Two large conducting plates X and Y. each having large surface area A (on one side), are placed parallel to each other as shown in figure (30-E7). The plate X ia given a charge Q whereas the other is neutral. Find (a) the surface charge dendity at the inner surface of the plates X, (b) the electric field at a point to the left of the plates, (c) the electric field at a point in between the plates and (d) the electric field at a point to the right of the plates.

Three inentical metal plates with large surface areas are kept parallel to each as shown in figure (30-E8). The leftmost plate is given a charge Q, the rightmost a chrge _2Q and the middle one remains neutral. Finde the charge appearing on the outer surface of the rightmost plate.

Knowledge Check

  • Two conducting plates M and N, each having large surface area A (on one side), are placed parallel to each other in figure. The plate M is given charge Q_1 and N, charge Q_2(ltQ_1) . Then

    A
    electric field at point A is `(Q_1-Q_2)//2Aepsilon_0` toward right.
    B
    electric field at point B is `(Q_1-Q_2)//2Aepsilon_0` toward right.
    C
    electric potential of N is greater than M.
    D
    all of the above

  • For the system shown in capacitance is C The left plate is given a charge Q_(1) and the is closed. . Find the charge appearing on the inner face of the left plate.

    A
    `CV-Q_(1)/2`
    B
    `CV+Q_(1)`
    C
    `CV+Q_(1)/2`
    D
    `CV`

  • Three identical metal plates with large surface areas are kept parallel to each other as shown. The left most is given a charge Q, the right most part a charge -2Q and the middle one remains neutral. Then which is wrong-

    A
    The charge appearing on outer surface of right most plate is `-(Q)/(2)`
    B
    The charge appearing on outer surface of left most plate is `-(Q)/(2)`
    C
    The charge appearing on left surface of middle plate is `-(3Q)/(2)`
    D
    The charge appearing on right surface of middle plate is `(3Q)/(4)`

    • Similar Questions

    Explore conceptually related problems

    Three large plates A, B and C are placed parallel to each other and charges are given as shown. The charge that appears on the left surface of plate B is

    Two large conducting plates are placed parallel to each other with a separation d . An electron (-e ,m) starting from rest near one of the plates reaches the other plate in time t_(0) . Find the surface density on the inner surface.

    Three large parallel plates have unifrom surface charge densities as shown in the figure. What is the electric field at P .

    Four metallic plates each with a surface area of one side A are placed at a distance d from each other as shown. Then, the capacitance of the system between X and Y is

    The surface charge densities on two square plates of a parallel plate capacitor are to + sigma and - sigma respectively. What is the magnitude of the electric field in the region between the plates?

    Home
    Profile