A charge q is placed at the centre of th...

A charge q is placed at the centre of the line joining two exactly equal positive charges Q. the system of three charges will be in equilibrium, if q is equal to:

`-Q//2`

`-Q//4`

`+Q//4`

`+Q//2`

Text Solution

Verified by Experts

Topper's Solved these Questions

TEXUAL QUESTIONS
MODERN PUBLICATION|Exercise EXERCISE|195 Videos
TEXTUAL QUESTIONS
MODERN PUBLICATION|Exercise EXERCISE|507 Videos
UNIT TEST -06
MODERN PUBLICATION|Exercise EXERCISE|461 Videos

Similar Questions

Explore conceptually related problems

A charge q is placed at the centre of line joining two equal charges Q. Show that the system of three charges will be in equilibrium if q = -Q/4

Two identical point charges of charge Q are kept at a distance r from each other. A third point charge is placed on the line joining the above two charges, such that all the three charges are in equilibrium. Calculate the magnitude and location of the thrid charge.

A charge q is placed at the centre of a cube of side l . What is the electric flux passing through two opposite faces of the cube?

A point charge q is placed at the origin. How does the electric field due to the charge vary with distance r from the origin?

Three charges -q, Q and -q are placed at equal distances on a striaght line. If the potential energy of the system of three charges is zero, then what is the ratio of Q:q?

Three charges each of value q are placed the corners of an equilaterla triangle. A fourth charge Q is placed at the centre of the triangle. For what value of Q, will the charges remain stationary? In this situation, how much work is done in removing the charges to infinity?

Three charges each of value q are placed the corers of an equilaterla triangle. A fourth charge Q is placed at the centre of the triangle. If Q = -q, will the charges at the corners move towards the centre or fly away from it?

A point charge q is placed at O as shown in figure. Is V_P - V_Q positive or negative when q

Graphically, represent the variation of electric field due to a point charge Q with magnitude of charge Q

MODERN PUBLICATION-TEXUAL QUESTIONS -EXERCISE

The force between the plates of a parallel plates capacitor of area A,...
Text Solution
|
A soap bubble is given a negative charge. Then, its radius
Text Solution
|
A charge q is placed at the centre of the line joining two exactly equ...
Text Solution
|
Two equal negative charges -q are fixed at points (0, -a) and (0,a) on...
Text Solution
|
A positively charged thin metal ring of radius R is fixed in the xy pl...
Text Solution
|
A given charge is situated at a certain distance from an electric dipo...
Text Solution
|
The diemnsion of energy density,1/2 epsilon0 E^2, where elipson0 is pe...
Text Solution
|
A small metal ball is suspended in a uniform electric field with the h...
Text Solution
|
A field line is shown in the figure. This field cannot represent
Text Solution
|
The nuclear charge (Ze) is nonuniformly distributed within a nucleus o...
Text Solution
|
The nuclear charge (Ze) is nonuniformly distributed within a nucleus o...
Text Solution
|
A non-conducting solid sphere of radius R is uniformly charged. The ma...
Text Solution
|
Consider the charge configuration and a spherical Gaussian surface as ...
Text Solution
|
An ellipsoidal cavity is carved within a perfect conductor. A positive...
Text Solution
|
A hollow sphere of charge does not produce an electric field at any
Text Solution
|
Which of the following statement (s) is/are correct?
Text Solution
|
The electric potential V at any point (x,y,z) all in meters in space i...
Text Solution
|
A uniform electric field pointing in positive x-direction exists in a ...
Text Solution
|
A hollow metal sphere of radius 5 cm is charged, such that the potent...
Text Solution
|
A particle A has chrage +q and a particle B has charge +4q with each o...
Text Solution
|