Home
Class 11
PHYSICS
In the conductor opposite charges separa...

In the conductor opposite charges separated by

A

Dielectric

B

insulator

C

microscopic distance

D

large distance

Text Solution

Verified by Experts

The correct Answer is:
`n=(4pi in_(0) mg(h-R)R)/Q^(2)`

Let `n^(th)` number last drop that can entre
`(KQ^(2))/Rxxn=mg (h-R) :. N=(4pi in_(0) mg(h-R)R)/Q^(2)`
Promotional Banner

Topper's Solved these Questions

  • MISCELLANEOUS

    ALLEN |Exercise Exercise-05(A)|35 Videos
  • MISCELLANEOUS

    ALLEN |Exercise Exercise-05(B)|19 Videos
  • MISCELLANEOUS

    ALLEN |Exercise Exersice-04[A]|34 Videos
  • KINEMATICS (MOTION ALONG A STRAIGHT LINE AND MOTION IN A PLANE)

    ALLEN |Exercise BEGINNER S BOX-7|8 Videos
  • PHYSICAL WORLD, UNITS AND DIMENSIONS & ERRORS IN MEASUREMENT

    ALLEN |Exercise EXERCISE-IV|7 Videos

Similar Questions

Explore conceptually related problems

In front of an earthed conductor a point charge +q is placed a shown in figure

(a) A conductor A with a cavity as shown in figure (a) is given a charge Q. Show that the entire charge must appear on the outer surface of the conductor. (b) Another conductor B with charge q is inserted into the cavity keeping B insulated from A. Show that the total charge on the outside surface of A is Q + q figure (b) ( C) A sensitive instruments is to be shielded from the strong electrostatic fields in its environment. Suggest a possible way.

An ellipsoidal cavity is carved within a perfect conductor. A positive charge q is placed at the centre of the cavity. The points A and B are on the cavity surface as shown in the figure. Then

(a) a conductor a with a cavity given a charge Q show that the entire charge must appear on the outer surface of the conductor (b) another condluctor B with charge q is sensitive instrument is to be shielded from the strong electrosatitic fields in its environment suggest a possible way

When air is replaced by dielectric medium of constant K, the maximum force of attraction between two charges separated by distance d, ..........

Two fixed, equal, positive charges, each of magnitude 5xx10^-5 coul are located at points A and B separated by a distance of 6m. An equal and opposite charge moves towards them along the line COD, the perpendicular bisector of the line AB. The moving charge, when it reaches the point C at a distance of 4m from O, has a kinetic energy of 4 joules. Calculate the distance of the farthest point D which the negative charge will reach before returning towards C.

Consider two straight parallel conductors A and B separated by a distance x and carrying individual current I_(A)andI_(B) respectively. If the two conductors attract each other, it indicates that _____ .

In which of the following case, attraction is maximum between two charged spheres separated by 2 mm distance ?

As shown in figure a closed surface intersects a spherical conductor. If a negative charge is placed at point P. What is the nature of the electric flux coming out of the closed surface?

Prove that, if an insulated, uncharged conductor is placed near a charged conductor and no other conductors are present, the uncharged body must be intermediate in potential between that of the charged body and that of infinity.